CN203166074U

CN203166074U - Beidou first generation transmitting-receiving and GPS combination antenna

Info

Publication number: CN203166074U
Application number: CN 201220308703
Authority: CN
Inventors: 吉青
Original assignee: SHANGHAI HIGH GAIN INFORMATION TECHNOLOGY Co Ltd
Priority date: 2012-06-28
Filing date: 2012-06-28
Publication date: 2013-08-28
Anticipated expiration: 2022-06-28

Abstract

The utility model discloses a Beidou first generation transmitting-receiving and GPS combination antenna which comprises an upper layer patch, a lower layer patch, an active circuit board and a shield. A Beidou first generation transmitting-receiving antenna is a passive antenna. A GPS antenna is an active antenna. The upper layer patch is a Beidou first generation receiving antenna. The lower layer patch is an antenna compatible with a Beidou first generation transmitting antenna and the GPS L1 band. According to the utility model, the radiation surface of the upper layer patch uses the mode of middle feed, while the silver surface uses an adjustable structure mode, thus the feed point position can be automatically adjusted, and the design flexibility is improved; the lower layer patch is compatible with the Beidou first generation transmitting frequency and the GPS L1 band, which makes the antenna miniaturized; and by improving the Q value of a dielectric material, the low elevation gain and the bandwidth of the antenna are improved.

Description

The combined antenna of a kind of Big Dipper generation transmitting-receiving and GPS

Technical field

The utility model relates to a kind of combined antenna, relates in particular to the combined antenna of a kind of Big Dipper generation transmitting-receiving and GPS.

Background technology

The Big Dipper is as the satellite navigation system of China's independent research, it has developed Big Dipper generation satellite communication navigation system and the Big Dipper two generations GPS (Global Position System), it is in traffic, fishery, the hydrology, meteorological, forestry, communication, electric power, numerous areas such as rescue are used widely, and have produced remarkable social benefit and economic benefit. and the time service of Big Dipper generation satellite system is more stable than GPS, but GPS aspect the existing market upward stability relatively better and the GPS Service of Timing more ripe, can communicate by the Big Dipper generation system location time fast by GPS so its Big Dipper generation system has both the function receiving and send out.

Nowadays the combined antenna of the transmitting-receiving of the Big Dipper generation on the market and GPS all is to adopt 3 mode to finish the antenna design, and that can not do aspect miniaturization is littler.

The utility model content

The utility model purpose is the combined antenna that a kind of Big Dipper generation transmitting-receiving and GPS are provided at the defective that prior art exists.

The utility model adopts following technical scheme for achieving the above object:

The combined antenna of a kind of Big Dipper generation transmitting-receiving of the utility model and GPS, comprise the upper strata paster, lower floor's paster, active circuit plate and radome, Big Dipper generation dual-mode antenna is passive antenna, gps antenna is active antenna, its at the middle and upper levels paster be Big Dipper generation reception antenna, wherein lower floor's paster is the antenna of compatible Big Dipper generation transmitting antenna and GPS L1 frequency range simultaneously; Described upper strata paster adopts the single feed point feed, lower floor's paster is double-fed point feed, described lower floor paster central point is provided with through hole, first amplifying circuit that the through hole of upper strata feed pin by lower floor's paster has access on the source circuit plate successively amplifies, first filter filtering, second amplifying circuit amplifies, and exports by radio frequency cable behind second filter filtering; Two feed pin on lower floor's paster are passed active circuit plate plate respectively by two electric bridge output two paths of signals on the active circuit plate, and one the tunnel is left-handed signal, and one the tunnel is right hand signal.

Preferably, described upper strata paster and lower floor's paster all adopt dielectric material, and silver-plated or gold-plated on dielectric material.

Upper strata described in the utility model paster radiating surface adopts the mode of centre feed, but silver-colored face adopts adjustable frame mode, and this kind mode can be regulated feedback point position voluntarily, has increased design flexibility; The lower floor paster is tranmitting frequency and the GPS L1 frequency range of a compatible Big Dipper generation simultaneously, makes antenna become two from three, more miniaturization, and its performance does not change, by adopting low elevation gain and the bandwidth of high Q value dielectric material raising antenna.

Description of drawings

Fig. 1: the utility model structure chart.

Fig. 2: the utility model upper strata paster structure figure.

Fig. 3: the paster structure figure of the utility model lower floor.

Fig. 4: the utility model upper strata feed pin output signal schematic diagram.

Fig. 5: the left-handed signal output principle of the utility model figure.

Embodiment

As shown in Figure 1, the combined antenna of a kind of Big Dipper generation transmitting-receiving of the utility model and GPS, comprise upper strata paster 1, lower floor's paster 2, active circuit plate and radome, Big Dipper generation dual-mode antenna is passive antenna, gps antenna is active antenna, its at the middle and upper levels paster be Big Dipper generation reception antenna, wherein lower floor's paster is the antenna of compatible Big Dipper generation transmitting antenna and GPS L1 frequency range simultaneously.

Preferably, the Q value of described this kind dielectric material manys times than general material is high, makes low elevation gain uprise.

Preferably, the double-fed pin feeding classification of described lower floor antenna can widen the bandwidth of antenna.

Preferably, described upper strata paster and lower floor's paster all adopt dielectric material, and silver-plated on dielectric material.

As shown in Figure 2, upper strata paster structure figure adopts the Big Dipper one to withhold the 2.492GHZ antenna, and wherein 5 is radiating surface, and 6 are the feedback point, and 7 is dielectric material (pottery).

As shown in Figure 3, the paster structure figure of lower floor adopts a Big Dipper generation to send out 1616MHz and GPSL11575.42MHz antenna, and wherein 3 and 4 are the feedback point, and 8 is through hole, and 9 is dielectric material, and 10 is radiating surface.

Extremely shown in Figure 5 as Fig. 4, described upper strata paster adopts the single feed point feed, lower floor's paster is double-fed point feed, described lower floor paster central point is provided with through hole, first amplifying circuit 101 that the through hole of upper strata feed pin by lower floor's paster has access on the source circuit plate successively amplifies, 102 filtering of first filter, second amplifying circuit 103 amplifies, and exports by radio frequency cable 105 after 104 filtering of second filter; Two

feed pin

3,4 on lower floor's paster are passed active circuit plate plate respectively by two electric bridges, the 201 output two paths of signals on the active circuit plate, and one the tunnel is that left-handed signal 106, a tunnel is right hand signal 107.

The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.

Claims

1. the combined antenna of Big Dipper generation transmitting-receiving and GPS, comprise the upper strata paster, lower floor's paster, active circuit plate and radome, it is characterized in that Big Dipper generation dual-mode antenna is passive antenna, gps antenna is active antenna, its at the middle and upper levels paster be Big Dipper generation reception antenna, wherein lower floor's paster is the antenna of compatible Big Dipper generation transmitting antenna and GPS L1 frequency range simultaneously; Described upper strata paster adopts the single feed point feed, lower floor's paster is double-fed point feed, described lower floor paster central point is provided with through hole, first amplifying circuit that the through hole of upper strata feed pin by lower floor's paster has access on the source circuit plate successively amplifies, first filter filtering, second amplifying circuit amplifies, and exports by radio frequency cable behind second filter filtering; Two feed pin on lower floor's paster are passed active circuit plate plate respectively by two electric bridge output two paths of signals on the active circuit plate, and one the tunnel is left-handed signal, and one the tunnel is right hand signal.

2. the combined antenna of a kind of Big Dipper generation transmitting-receiving according to claim 1 and GPS is characterized in that described upper strata paster and lower floor's paster all adopt dielectric material, and silver-plated or gold-plated on dielectric material.