CN209929486U - GPS antenna - Google Patents
GPS antenna Download PDFInfo
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- CN209929486U CN209929486U CN201921202454.1U CN201921202454U CN209929486U CN 209929486 U CN209929486 U CN 209929486U CN 201921202454 U CN201921202454 U CN 201921202454U CN 209929486 U CN209929486 U CN 209929486U
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- 230000005611 electricity Effects 0.000 claims abstract 2
- 230000005855 radiation Effects 0.000 claims description 62
- 239000000758 substrate Substances 0.000 claims description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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Abstract
The utility model relates to an antenna technology field. The utility model discloses a GPS antenna, including rectangular base plate, the base plate is first end and second end respectively along its length direction's both ends, the positive first end of base plate is equipped with antenna feed interface, be equipped with first to eighth antenna radiating element on the base plate openly, first to eighth antenna radiating element sets up between antenna feed interface and second end from first end to second end interval in proper order, and first antenna radiating element is L type structure, and second antenna radiating element to eighth antenna radiating element are square rectangular form structure, and second antenna radiating element to eighth antenna radiating element are parallel arrangement each other, and the horizontal portion of first antenna radiating element is parallel with second antenna radiating element, and the outer end of the vertical portion of first antenna radiating element is used for being connected with antenna feed interface electricity. The utility model has the advantages of small volume, high stability, high gain and long service life.
Description
Technical Field
The utility model belongs to the technical field of the antenna, specifically relate to a GPS antenna.
Background
With the progress of the unmanned aerial vehicle technology and the reduction of the cost, the unmanned aerial vehicle industry develops very rapidly, and the unmanned aerial vehicle is widely applied to the fields of aerial photography, logistics, search and rescue and the like. Unmanned aerial vehicle during operation need fix a position and navigate through receiving satellite signal, and the satellite signal that now more commonly uses is GPS satellite signal, and GPS satellite signal intensity is relatively weak usually, in order to guarantee that unmanned aerial vehicle can reliable work, needs the installation GPS antenna to strengthen receiving GPS satellite signal.
The existing unmanned aerial vehicle mostly adopts a traditional yagi antenna to receive satellite signals, and the traditional yagi antenna is mainly made of a metal rod. No matter how many "units", all oscillators are fixed on a "girder" according to certain interval parallel, and the girder also is made with metal material, though has higher gain, but the antenna volume is big, and the unmanned aerial vehicle miniaturization of being not convenient for, and receive external factor interference easily, the metal material receives the corruption easily, reduces the antenna benefit, leads to the stability decline of product, reduces customer's experience and feels.
Disclosure of Invention
An object of the utility model is to provide a GPS antenna is used for solving the technical problem that above-mentioned exists.
In order to achieve the above object, the utility model adopts the following technical scheme: a GPS antenna comprises a rectangular substrate, wherein a first end and a second end are respectively arranged at two ends of the substrate along the length direction of the substrate, an antenna feed interface is arranged at the front first end of the substrate, first to eighth antenna radiation units are arranged on the front surface of the substrate, the first to eighth antenna radiation units are sequentially arranged between the antenna feed interface and the second end at intervals from the first end to the second end, the first antenna radiation unit is of an L-shaped structure, the second to eighth antenna radiation units are of a square long strip-shaped structure, the second to eighth antenna radiation units are arranged in parallel, the transverse part of the first antenna radiation unit is parallel to the second antenna radiation unit, the outer end of the vertical part of the first antenna radiation unit is electrically connected with the antenna feed interface, and the widths of the vertical part and the transverse part of the first antenna radiation unit are both 4mm, the length of side of the inner side of the vertical part of the first antenna radiating unit is 49mm, the length of side of the inner side of the transverse part of the first antenna radiating unit is 39mm, the lengths of the second antenna radiating unit to the eighth antenna radiating unit are all 56mm, and the widths of the second antenna radiating unit to the eighth antenna radiating unit are all 4 mm.
Further, the distance between the transverse part of the first antenna radiating element and the second antenna radiating element is 1.5mm, the distance between the second antenna radiating element and the third antenna radiating element is 20mm, the distance between the third antenna radiating element and the fourth antenna radiating element is 42mm, and the distance between any two adjacent antenna radiating elements from the fourth antenna radiating element to the eighth antenna radiating element is 33 mm.
Furthermore, the antenna feed interface, the vertical portion of the first antenna radiating element, and the second to eighth antenna radiating elements are all centered with respect to the width direction of the substrate.
Furthermore, the outer angle of the connecting part of the vertical part and the horizontal part of the first antenna radiation unit is a chamfer angle.
Furthermore, a ninth antenna radiation unit is arranged at the first end of the back surface of the substrate and is electrically connected with the antenna feed interface through a metalized via hole.
Still further, the ninth antenna radiation unit includes a first horizontal portion, a first vertical portion and a second horizontal portion, a length direction of the first horizontal portion is parallel to a width direction of the base plate, the first horizontal portion is disposed at the first end portion, an edge of the first horizontal portion facing the first end is flush with an edge of the first end of the base plate, a length of the first horizontal portion is the same as a width of the base plate, the width of the first horizontal portion is 13mm, the first end of the first vertical portion is connected with an edge center of the first horizontal portion facing the second end, the second end of the first vertical portion extends perpendicularly outwards to form the second horizontal portion, the width of the first vertical portion is 6mm, the width of the second horizontal portion is 4mm, a distance between the first horizontal portion and the second horizontal portion is 42mm, and a length of the second horizontal portion is 38 mm.
Further, the front and back surfaces of the substrate and the first to ninth antenna radiation elements are coated with an insulating black oil layer, but the outer ends of the antenna feed interface and the vertical portion of the first antenna radiation element are exposed.
Further, the first to ninth antenna radiation units are made of copper material layers.
Furthermore, the substrate is a Rogers board with the model number of R04350B, the thickness is 0.8mm, the length is 283mm, and the width is 90 mm.
Furthermore, a plurality of mounting holes are formed in the edge of the substrate.
The utility model has the advantages of:
the utility model is suitable for a GPS satellite signal frequency channel, the gain is high (can reach 11dBi), is difficult for receiving external factor interference, and is stable good, long service life, and small, and unmanned aerial vehicle miniaturization and lightweight of being convenient for improve customer's experience and feel.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic front view of an embodiment of the present invention without a black oil layer;
FIG. 2 is a schematic diagram of a back side structure of the embodiment of the present invention without a black oil layer;
FIG. 3 is a schematic front view of an embodiment of the present invention;
fig. 4 is a schematic back structure diagram of the embodiment of the present invention.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The present invention will now be further described with reference to the accompanying drawings and detailed description.
As shown in fig. 1 to 4, a GPS antenna includes a rectangular substrate 1, where two ends of the substrate 1 in a length direction thereof are a first end (left end in fig. 1) and a second end (right end in fig. 1), and in this embodiment, the substrate 1 preferably adopts a rocky geist board of model R04350B, and has a thickness of 0.8mm, a length of 283mm, a width of 90mm, a good high-frequency performance, and low loss, so as to further improve the overall performance of the GPS antenna.
The first end of the front surface of the substrate 1 is provided with the antenna feed interface 2, and in this embodiment, the antenna feed interface 2 is preferably arranged in the middle of the first end, so that the overall structure is more compact and the volume is smaller.
The front surface of the substrate 1 is provided with first to eighth antenna radiation elements 31, 32, 33, 34, 35, 36, 37 and 38, the first to eighth antenna radiation elements 31, 32, 33, 34, 35, 36, 37 and 38 are sequentially arranged between the antenna feed interface 2 and the second end at intervals from the first end to the second end, the first antenna radiation element 31 is in an L-shaped structure, the second to eighth antenna radiation elements 32, 33, 34, 35, 36, 37 and 38 are all square long strip-shaped structures, the second to eighth antenna radiation elements 32, 33, 34, 35, 36, 37 and 38 are arranged in parallel with each other, the transverse portion 312 of the first antenna radiation element 31 is parallel with the second antenna radiation element 32, the outer end of the vertical portion 311 of the first antenna radiation element 31 is used for being electrically connected with the antenna feed interface 2, that is, electrically connected with the antenna feed line and the antenna feed line through soldering tin, the widths of the vertical part 311 and the horizontal part 312 of the first antenna radiation unit 31 are both 4mm, the side length L1 of the inside of the vertical part 311 of the first antenna radiation unit 31 is 49mm, the side length L2 of the inside of the horizontal part 312 is 39mm, the lengths of the second to eighth antenna radiation units 32, 33, 34, 35, 36, 37 and 38 are all 56mm, and the widths are all 4 mm.
Further, in this embodiment, the distance d1 between the transverse portion 312 of the first antenna radiating element 31 and the second antenna radiating element 32 is 1.5mm, the distance d2 between the second antenna radiating element 32 and the third antenna radiating element 33 is 20mm, the distance d3 between the third antenna radiating element 33 and the fourth antenna radiating element 34 is 42mm, and the distance d4 between any two adjacent antenna radiating elements from the fourth antenna radiating element to the eighth antenna radiating elements 34, 35, 36, 37 and 38 is 33mm, so as to further improve the overall performance of the GPS antenna.
Preferably, in this embodiment, the antenna feed interface 2, the vertical portion 311 of the first antenna radiation element 31, and the second to eighth antenna radiation elements 32, 33, 34, 35, 36, 37, and 38 are all centered with respect to the width direction of the substrate 1, so that the overall structure is more compact and the volume is smaller.
Preferably, in this embodiment, an outer corner 313 of a connection portion between the vertical portion 311 and the horizontal portion 312 of the first antenna radiating unit 31 is a chamfer, so as to further improve the overall performance of the GPS antenna.
Further, in this embodiment, a ninth antenna radiation unit 39 is disposed at the first end of the back surface of the substrate 1, and the ninth antenna radiation unit 39 is electrically connected to the antenna feed interface 2 through the metalized via 4, so as to further improve the overall performance of the GPS antenna.
Preferably, in this embodiment, the ninth antenna radiation unit 39 includes a first transverse portion 391, a first vertical portion 392 and a second transverse portion 393, a length direction of the first transverse portion 391 is parallel to a width direction of the base plate 1, the first transverse portion 391 is disposed at a first end, an edge of the first transverse portion 391 toward the first end is flush with an edge of the first end of the base plate 1, a length of the first transverse portion 391 is the same as the width of the base plate 1, the width of the first transverse portion 391 is 13mm, the first end of the first vertical portion 392 is connected to an edge center of the first transverse portion 391 toward the second end, the second end of the first vertical portion 392 extends perpendicularly outward to form the second transverse portion 393, the width of the first vertical portion 392 is 6mm, the width of the second transverse portion 393 is 4mm, a distance L3 between the first transverse portion 391 and the second transverse portion 393 is 42mm, a length L4 of the second transverse portion is 38mm, the overall performance of the GPS antenna is further improved.
In the present embodiment, the front and back surfaces of the substrate 1 and the first to ninth antenna radiation elements 31, 32, 33, 34, 35, 36, 37, 38 and 39 are coated with the insulating black oil layer 6, but the outer ends of the antenna feed interface 2 and the vertical portion 311 of the first antenna radiation element 31 are exposed. The black oil layer 6 protects the first to ninth antenna radiation units 31, 32, 33, 34, 35, 36, 37, 38 and 39 from being interfered by external factors and from being corroded, thereby prolonging the service life, improving the antenna efficiency and increasing the stability of the product.
Preferably, in this embodiment, the first to ninth antenna radiation units 31, 32, 33, 34, 35, 36, 37, 38 and 39 are made of copper material layers, which is low in cost, but not limited thereto, and in other embodiments, other conductive metal layers may be used.
In this embodiment, the edge of the substrate 1 is provided with a plurality of mounting holes 5 for facilitating the subsequent fixed mounting of the antenna.
The performance parameters of this particular example are shown in the following table
| Frequency range-MHz | 1559～1620 |
| gain-dBi | 11 |
| Wave width of E face- ° | 46 |
| H-plane lobe width- ° | 53 |
| Front-to-back ratio-dB | ≥16 |
| Standing wave ratio | ≤1.5 |
| Input impedance-omega | 50 |
| Polarization mode | Vertical or horizontal |
| Maximum power-W | 50 |
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A GPS antenna, characterized by: including rectangular base plate, the base plate is first end and second end respectively along its length direction's both ends, the positive first end of base plate is equipped with the antenna feed interface, be equipped with first to eighth antenna radiation unit on the base plate openly, first to eighth antenna radiation unit interval sets up between antenna feed interface and second end from first end to second end in proper order, first antenna radiation unit is L type structure, second antenna radiation unit to eighth antenna radiation unit are square rectangular form structure, second antenna radiation unit to eighth antenna radiation unit are parallel arrangement each other, the horizontal portion of first antenna radiation unit is parallel with second antenna radiation unit, the outer end of the vertical portion of first antenna radiation unit is used for being connected with antenna feed interface electricity, the width of the vertical portion and the horizontal portion of first antenna radiation unit is 4mm, the length of side of the inner side of the vertical part of the first antenna radiating unit is 49mm, the length of side of the inner side of the transverse part of the first antenna radiating unit is 39mm, the lengths of the second antenna radiating unit to the eighth antenna radiating unit are all 56mm, and the widths of the second antenna radiating unit to the eighth antenna radiating unit are all 4 mm.
2. The GPS antenna of claim 1, wherein: the distance between the transverse part of the first antenna radiation unit and the second antenna radiation unit is 1.5mm, the distance between the second antenna radiation unit and the third antenna radiation unit is 20mm, the distance between the third antenna radiation unit and the fourth antenna radiation unit is 42mm, and the distance between any two adjacent antenna radiation units from the fourth antenna radiation unit to the eighth antenna radiation unit is 33 mm.
3. The GPS antenna of claim 2, wherein: the antenna feed interface, the vertical portion of the first antenna radiating element, and the second through eighth antenna radiating elements are all centered with respect to the width direction of the substrate.
4. The GPS antenna of claim 3, wherein: the outer angle of the connecting part of the vertical part and the transverse part of the first antenna radiation unit is arranged in a chamfer way.
5. The GPS antenna of claim 4, wherein: and the first end part of the back surface of the substrate is provided with a ninth antenna radiation unit, and the ninth antenna radiation unit is electrically connected with the antenna feed interface through a metalized through hole.
6. The GPS antenna of claim 5, wherein: the ninth antenna radiation unit comprises a first transverse part, a first vertical part and a second transverse part, wherein the length direction of the first transverse part is parallel to the width direction of the substrate, the first transverse part is arranged at the first end part, the edge of the first transverse part facing the first end is flush with the edge of the first end of the substrate, the length of the first transverse part is the same as that of the substrate, the width of the first transverse part is 13mm, the first end of the first vertical part is connected with the edge center of the first transverse part facing the second end, the second end of the first vertical part extends outwards perpendicularly to form the second transverse part, the width of the first vertical part is 6mm, the width of the second transverse part is 4mm, the distance between the first transverse part and the second transverse part is 42mm, and the length of the second transverse part is 38 mm.
7. The GPS antenna of claim 6, wherein: the front and back surfaces of the substrate and the first to ninth antenna radiation units are coated with an insulating black oil layer, but the antenna feed interface and the outer ends of the vertical portions of the first antenna radiation unit are exposed.
8. The GPS antenna of claim 6, wherein: the first to ninth antenna radiation units are all made of copper material layers.
9. The GPS antenna according to claim 1 or 7, wherein: the base plate adopts a Rogers plate with the model number of R04350B, the thickness is 0.8mm, the length is 283mm, and the width is 90 mm.
10. The GPS antenna according to claim 1 or 7, wherein: the edge of the substrate is provided with a plurality of mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921202454.1U CN209929486U (en) | 2019-07-29 | 2019-07-29 | GPS antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921202454.1U CN209929486U (en) | 2019-07-29 | 2019-07-29 | GPS antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209929486U true CN209929486U (en) | 2020-01-10 |
Family
ID=69094336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921202454.1U Active CN209929486U (en) | 2019-07-29 | 2019-07-29 | GPS antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209929486U (en) |
-
2019
- 2019-07-29 CN CN201921202454.1U patent/CN209929486U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A GPS antenna Effective date of registration: 20230317 Granted publication date: 20200110 Pledgee: Bank of China Limited Xiamen hi tech Park sub branch Pledgor: XIAMEN SECURITY INTELLIGENCE INFORMATION TECHNOLOGY CO.,LTD. Registration number: Y2023980035304 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200110 Pledgee: Bank of China Limited Xiamen hi tech Park sub branch Pledgor: XIAMEN SECURITY INTELLIGENCE INFORMATION TECHNOLOGY CO.,LTD. Registration number: Y2023980035304 |