CN217468782U

CN217468782U - High-precision positioning antenna

Info

Publication number: CN217468782U
Application number: CN202220985239.9U
Authority: CN
Inventors: 黄珀瑜; 杨敬松; 刘广金; 谢倩菊
Original assignee: Gaoke Ant Co ltd
Current assignee: Gaoke Ant Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-09-20
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses a high accuracy location antenna, including PCB mainboard (1), the upper surface of PCB mainboard (1) be equipped with L2B2 antenna (2), B1L1G1 antenna (3) set up the upper surface of L2B2 antenna (2), shield cover (4) set up the lower surface of PCB mainboard (1), PCB mainboard (1) on be connected with coaxial cable line (5), coaxial cable line (5) the tip be equipped with IPEX and connect (6). The utility model has the advantages that: the antenna adopts the combined design of the laminated double-ceramic antenna, the PCB mainboard and the coaxial cable, can convert the electromagnetic wave energy of the radio signal sent by the satellite into a power supply which can be received and applied by a receiver electronic device, adopts the right-hand circular polarization design, has the characteristics of high gain, low standing-wave ratio, strong receiving capacity, multipath interference resistance and the like, can achieve the high positioning precision of centimeter level or even millimeter level, and obtains an accurate positioning result.

Description

High-precision positioning antenna

Technical Field

The utility model relates to an antenna technology field, concretely relates to high accuracy location antenna.

Background

An antenna is a transducer that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually free space) or vice versa. A component for transmitting or receiving electromagnetic waves in a radio device. Engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, radio astronomy and the like all use electromagnetic waves to transmit information and work by depending on antennas. Furthermore, in transferring energy with electromagnetic waves, non-signal energy radiation also requires an antenna. The antennas are generally reciprocal in that the same pair of antennas can be used as both transmit and receive antennas. The same antenna is the same as the basic characteristic parameter for transmission or reception. With the continuous development and perfection of the satellite positioning technology, the high-precision positioning technology is applied to various industries of modern life, for example, in the fields of measurement and mapping, precision agriculture, unmanned aerial vehicles, unmanned driving and the like, the shadow of the high-precision positioning technology is visible everywhere, particularly, with the completion of networking of a new generation of Beidou satellite navigation system and the arrival of the 5G era, the continuous development of Beidou +5G is expected to promote the wider application of the high-precision positioning technology in the fields of airport scheduling, robot inspection, vehicle monitoring, logistics management and the like. At the present stage, the positioning accuracy of the positioning antenna generally on the market can only reach a few meters, and a larger positioning error still exists, which affects the actual use experience.

Disclosure of Invention

An object of the utility model is to provide a high accuracy location antenna can reach centimeter level or even millimeter level's high positioning accuracy, acquires accurate positioning result.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high accuracy location antenna, including the PCB mainboard, the upper surface of PCB mainboard be equipped with L2B2 antenna, B1L1G1 antenna setting is in the upper surface of L2B2 antenna, the shield cover sets up the lower surface of PCB mainboard, the PCB mainboard on be connected with coaxial cable line, coaxial cable line's tip be equipped with IPEX and connect.

Further, the length range of the PCB main board is 51.5-52.5 mm, the width range of the PCB main board is 51.5-52.5 mm, and the thickness range of the PCB main board is 0.9-1.1 mm.

Further, the length of the L2B2 antenna ranges from 42.8 to 43.2mm, the width of the L2B2 antenna ranges from 42.8 to 43.2mm, and the thickness of the L2B2 antenna ranges from 5.9 to 6.1 mm.

Further, the length of the B1L1G1 antenna ranges from 33.3 to 33.7mm, the width of the B1L1G1 antenna ranges from 33.3 to 33.7mm, and the thickness of the B1L1G1 antenna ranges from 3.9 to 4.1 mm.

Further, the length range of the shielding case is 39.8 to 40.2mm, the width range of the shielding case is 39.8 to 40.2mm, and the height range of the shielding case is 2.8 to 3.2 mm.

The utility model has the advantages that: the antenna adopts the combined design of a laminated double-ceramic antenna, a PCB mainboard and a coaxial cable, can convert the electromagnetic wave energy of a radio signal sent by a satellite into a power supply which can be received and applied by a receiver electronic device, adopts the right-hand circular polarization design, is mainly used for receiving the wave band of B1/L1/G1/L2/B2, has the characteristics of high gain, low standing-wave ratio, strong receiving capability, multipath interference resistance and the like, can reach the high positioning precision of centimeter level or even millimeter level, and obtains an accurate positioning result.

Drawings

Fig. 1 is a front view of the high-precision positioning antenna of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a standing-wave ratio test chart of the B1L1G1 antenna of the present invention.

Fig. 4 is a return loss test chart of the B1L1G1 antenna of the present invention.

Fig. 5 is a direction test chart of the B1L1G1 antenna of the present invention.

Fig. 6 is a standing wave ratio test chart of the L2B2 antenna of the present invention.

Fig. 7 is a return loss test chart of the L2B2 antenna of the present invention.

Fig. 8 is a direction test chart of the L2B2 antenna of the present invention.

Detailed Description

The technical solution in the embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, a high accuracy positioning antenna, including PCB mainboard 1, PCB mainboard 1's upper surface be equipped with L2B2 antenna 2, B1L1G1 antenna 3 sets up the upper surface of L2B2 antenna 2, shield cover 4 sets up PCB mainboard 1's lower surface, PCB mainboard 1 on be connected with coaxial cable 5, coaxial cable 5's tip be equipped with IPEX joint 6.

The length range of PCB mainboard 1 be 51.5 to 52.5mm, the width range of PCB mainboard 1 be 51.5 to 52.5mm, the thickness range of PCB mainboard 1 be 0.9 to 1.1 mm.

The length range of the L2B2 antenna 2 is 42.8-43.2 mm, the width range of the L2B2 antenna 2 is 42.8-43.2 mm, and the thickness range of the L2B2 antenna 2 is 5.9-6.1 mm.

The length range of the B1L1G1 antenna 3 is 33.3-33.7 mm, the width range of the B1L1G1 antenna 3 is 33.3-33.7 mm, and the thickness range of the B1L1G1 antenna 3 is 3.9-4.1 mm.

The length range of the shielding case 4 is 39.8-40.2 mm, the width range of the shielding case 4 is 39.8-40.2 mm, and the height range of the shielding case 4 is 2.8-3.2 mm.

In this embodiment, as can be seen from fig. 1, 2, 3, 4, 5, 6, 7 and 8, the antenna adopts a combination design of a laminated dual ceramic antenna, a PCB main board and a coaxial cable, and can convert electromagnetic wave energy of a radio signal transmitted by a satellite into a power supply which can be received and applied by a receiver electronic device; the antenna adopts right-hand circular polarization design, is mainly used for receiving wave bands of B1/L1/G1/L2/B2, the working frequency band of a B1L1G1 antenna 3 is mainly arranged at 1561MHz, 1575MHz and 1602MHz, the working frequency band of an L2B2 antenna 2 is mainly arranged at 1207Mhz and 1227.6MHz, the gain value of a B1 wave band is more than or equal to 2dBi, the gain value of an L1 wave band is more than or equal to 3dBi, the gain value of a G1 wave band is more than or equal to 1dBi, the gain value of an L2 wave band is more than or equal to 1dBi, the gain value of a B2 wave band is more than or equal to-1 dBi, the amplifier gain range of the B1G 1 antenna 3 is 26-30 dBi, the amplifier gain range of an L2B2 antenna 2 is 28-32 dBi, the integral standing-wave ratio of the antenna is less than or equal to 2.0, therefore, the antenna has the characteristics of high gain, low standing wave ratio, strong receiving capability, strong anti-interference and even millimeter-level positioning accuracy, and obtaining an accurate positioning result.

Claims

1. The utility model provides a high accuracy location antenna, including PCB mainboard (1), its characterized in that: PCB mainboard (1) upper surface be equipped with L2B2 antenna (2), B1L1G1 antenna (3) set up the upper surface of L2B2 antenna (2), shield cover (4) set up the lower surface of PCB mainboard (1), PCB mainboard (1) on be connected with coaxial cable line (5), the tip of coaxial cable line (5) be equipped with IPEX and connect (6).

2. The high accuracy positioning antenna of claim 1, wherein: the length scope of PCB mainboard (1) be 51.5 to 52.5mm, the width scope of PCB mainboard (1) be 51.5 to 52.5mm, the thickness scope of PCB mainboard (1) be 0.9 to 1.1 mm.

3. The high accuracy positioning antenna of claim 2, wherein: the length range of the L2B2 antenna (2) is 42.8-43.2 mm, the width range of the L2B2 antenna (2) is 42.8-43.2 mm, and the thickness range of the L2B2 antenna (2) is 5.9-6.1 mm.

4. A high accuracy positioning antenna according to claim 3, wherein: the length range of the B1L1G1 antenna (3) is 33.3-33.7 mm, the width range of the B1L1G1 antenna (3) is 33.3-33.7 mm, and the thickness range of the B1L1G1 antenna (3) is 3.9-4.1 mm.

5. The high accuracy positioning antenna of claim 4, wherein: the length range of the shielding case (4) is 39.8-40.2 mm, the width range of the shielding case (4) is 39.8-40.2 mm, and the height range of the shielding case (4) is 2.8-3.2 mm.