CN216085330U

CN216085330U - Light GNSS antenna

Info

Publication number: CN216085330U
Application number: CN202122557330.9U
Authority: CN
Inventors: 俞鲜容; 赵翔
Original assignee: Guangzhou Geoelectron Co ltd
Current assignee: Guangzhou Geoelectron Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-03-18
Anticipated expiration: 2031-10-22

Abstract

The utility model provides a light GNSS antenna, and relates to the technical field of antennas. The light GNSS antenna comprises a dielectric layer, a first positioning antenna, a second positioning antenna and a plurality of communication antennas. The medium layer is designed in a stepped mode and is divided into a first layer portion and a second layer portion, the first layer portion is provided with a groove, the first positioning antenna and the second positioning antenna are respectively arranged on two opposite surfaces of the second layer portion, and the communication antennas are arranged on the surface, facing the second layer portion, of the first layer portion and the outer peripheral surface of the first layer portion at intervals. Therefore, the first positioning antenna is positioned on the two opposite sides of the second positioning antenna part respectively, the isolation degree of the first positioning antenna and the second positioning antenna is increased, the coupling interference of the first positioning antenna and the second positioning antenna is reduced, the positioning accuracy of the GNSS antenna can be improved, the weight of the dielectric layer can be reduced due to the groove design of the dielectric layer, the light weight of the GNSS antenna is further realized, the stepped design of the dielectric layer can increase the arrangement space and the distance of the communication antennas, the coupling interference among the communication antennas is reduced, and the signal accuracy of the communication antennas is improved.

Description

Light GNSS antenna

Technical Field

The utility model relates to the technical field of antennas, in particular to a light GNSS antenna.

Background

Gnss (Global Navigation Satellite System) refers to Global Navigation Satellite systems, which include the Global Positioning System (GPS) in the united states, the Glonass (Global System for Satellite) in russia, the Galileo (Galileo) Satellite Navigation System in europe, and the beidou Satellite Navigation System in china. GNSS can provide a temporal/spatial reference and all real-time dynamic information related to position.

At present, GNSS antennas on the market mostly adopt single dielectric layers, and the single dielectric layer GNSS antenna solves the problems of high profile and high quality of the traditional stacked antenna. However, the single-dielectric-layer antenna has a small size, so that the multi-antenna compatible integration is difficult to realize, or after the multi-antenna is integrated, the coupling interference between different antennas is serious, so that the phase center of the GNSS antenna is influenced, and the positioning accuracy of the GNSS antenna is reduced.

SUMMERY OF THE UTILITY MODEL

The light GNSS antenna provided by the utility model can integrate various antennas on a single-medium-layer antenna, reduce coupling interference among the multiple antennas, keep the stability of the phase center of the antenna and further ensure the positioning accuracy of the antenna.

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

a lightweight GNSS antenna is provided, which comprises

The dielectric layer comprises a first layer part and a second layer part overlapped on the first layer part, one side face, provided with the second layer part, of the first layer part is a first face, one side face, deviating from the second layer part, of the first layer part is a second face, the second face is provided with a groove, the depth direction of the groove is the direction from the second face to the first face, one side face, deviating from the first layer part, of the second layer part is a third face, and one side face, deviating from the third face, of the second layer part is a fourth face;

a first positioning antenna disposed on the third face;

a second positioning antenna disposed on the fourth face; and

the first layer portion is provided with a first surface, and the first layer portion is provided with a first layer.

As an alternative implementation manner, in an embodiment of the present invention, the first surface includes a first area and a second area located at an outer periphery of the first area, the second layer portion is disposed in the first area, and the communication antenna is disposed in the second area and an outer peripheral surface of the first layer portion.

As an alternative implementation manner, in the embodiment of the present invention, the distance from the third surface to the second surface is 8mm to 12mm, the distance from the first surface to the third surface is 3mm to 7mm, the width of the second region is 7mm to 10mm, and the depth of the groove is 5mm to 8 mm.

As an optional implementation manner, in an embodiment of the present invention, the second area is provided with a plurality of first through holes and a plurality of second through holes, the first through holes and the second through holes are respectively arranged in a ring shape along a center of the first surface, and each second through hole is respectively located between two adjacent first through holes;

the second through hole is a non-metal hole, the first through hole is a metal hole, and the first through hole is used for forming at least part of a feed hole of the communication antenna.

As an optional implementation manner, in an embodiment of the present invention, a third through hole, a plurality of fourth through holes and a fifth through hole are formed in the third surface, the third through hole is formed in a center position of the third surface, the plurality of fourth through holes are located outside the third through hole and are annularly arranged with the third through hole as a center, the plurality of fifth through holes are located outside the fourth through hole and are arranged near an edge of the third surface, the plurality of fifth through holes are annularly arranged along the center of the third surface, at least two adjacent fifth through holes form a group, and distances between the plurality of groups of through holes are equal.

As an optional implementation manner, in an embodiment of the present invention, the first positioning antenna includes

The first metal patch is arranged on the third surface; and

the first metal patch comprises a plurality of first branches, a plurality of second branches and a plurality of third branches, wherein the plurality of first branches are arranged on the periphery of the first metal patch, and two adjacent first branches are arranged at intervals;

the first metal patch is provided with a first metal hole, a plurality of second metal holes and a plurality of third metal holes, the first metal hole is located in the center of the first metal patch, the plurality of second metal holes are located on the outer side of the first metal hole and are annularly arranged by taking the first metal hole as the center to form a feed ring to realize feed of the first positioning antenna, the plurality of third metal holes are located on the outer side of the second metal holes and are annularly arranged by taking the first metal hole as the center, and the plurality of third metal holes form a short circuit ring.

As an alternative implementation, in an embodiment of the present invention, the second positioning antenna includes

The second metal patch is arranged on the fourth surface; and

the second branches are arranged at the edge of the second metal patch, and two adjacent second branches are arranged at intervals;

and a fourth metal hole is formed in the second metal patch, and corresponds to and is communicated with the first metal hole.

As an alternative implementation, in the embodiment of the present invention, a plurality of the communication antennas include

The 4G main antenna is used for transmitting and receiving 4G radio frequency signals;

the 4G diversity antenna is arranged at a distance from the 4G main antenna, and is used for receiving 4G radio frequency signals; and

a Bluetooth/WiFi antenna located between the 4G main antenna and the 4G diversity antenna, the Bluetooth/WiFi antenna being used for transmitting and receiving Bluetooth/WiFi signals.

As an optional implementation manner, in an embodiment of the present invention, the 4G main antenna includes

The resonance branch knot is arranged on the first surface and is used for resonating with a frequency band of a 4G radio frequency signal;

one end of the connecting branch is arranged on the first surface, one end of the connecting branch is connected with the resonance branch, and the other end of the connecting branch extends to the outer peripheral surface of the first layer part; and

and the impedance branch knot is connected with the other end of the connecting branch knot, is arranged on the peripheral surface of the first layer part and is used for adjusting the impedance matching of the 4G main antenna.

As an optional implementation manner, in an embodiment of the present invention, the 4G diversity antenna, the 4G main antenna, and the bluetooth/WiFi antenna are arranged in a ring shape along a center of the first surface, and distances from the bluetooth/WiFi antenna to the 4G main antenna and the 4G diversity antenna are equal.

Compared with the prior art, the utility model has the beneficial effects that:

according to the light GNSS antenna provided by the utility model, the dielectric layer is set to be a step type including the first layer part and the second layer part, and the hollowed groove is arranged on the first layer part, so that on one hand, the weight of the dielectric layer can be reduced, and the light design of the antenna is realized. On the other hand, through the step design of the dielectric layer, the dielectric layer has a larger space for integrating a plurality of communication antennas, the isolation between the antennas can be increased, the coupling interference between the antennas is reduced, and the positioning accuracy of the GNSS antenna is improved.

Drawings

FIG. 1 is a schematic perspective view of a lightweight GNSS antenna disclosed in the present invention;

FIG. 2 is an exploded view of the lightweight GNSS antenna of the present disclosure;

FIG. 3 is a cross-sectional view of a lightweight GNSS antenna of an embodiment of the present invention;

FIG. 4 is an elevation view of a first layer portion along a first side of an embodiment of the present invention;

FIG. 5 is a schematic thickness diagram of a dielectric layer of an embodiment of the utility model;

FIG. 6 is an elevation view of a second layer portion along a third face of an embodiment of the present invention;

FIG. 7 is a front view of the first positioning antenna along a third face of an embodiment of the present invention;

FIG. 8 is a fourth side elevational view of a second positioning antenna of an embodiment of the present invention;

fig. 9 is a front view of a dielectric layer provided with a communication antenna of an embodiment of the present invention along a third face;

fig. 10 is a schematic structural diagram of a 4G main antenna according to an embodiment of the present invention;

fig. 11 is a cross-sectional view of a lightweight GNSS antenna provided with a PCB board according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the present invention.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the utility model and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "opened," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

The technical solution of the present invention will be further explained with reference to the following embodiments and the accompanying drawings.

Referring to fig. 1 to fig. 3, an embodiment of the utility model provides a lightweight GNSS antenna, which includes a dielectric layer 100, a first positioning antenna 200, a second positioning antenna 300 and a communication antenna 400. The dielectric layer 100 includes a first layer portion 110 and a second layer portion 120 stacked on the first layer portion 110, a side of the first layer portion 110 where the second layer portion 120 is disposed is a first surface 111, a side of the first layer portion 110 away from the second layer portion 120 is a second surface 112, the second surface 112 is provided with a groove 112a, a depth direction H of the groove 112a is a direction pointing to the first surface 111 from the second surface 112, a side of the second layer portion 120 away from the first layer portion 110 is a third surface 121, a side of the second layer portion 120 away from the third surface 121 is a fourth surface 122, the first positioning antenna 200 is disposed on the third surface 121, the second positioning antenna 300 is disposed on the fourth surface 122, the plurality of communication antennas 400 are disposed on the first surface 111 of the first layer portion 110 and an outer peripheral surface of the first layer portion 110 at intervals.

In the embodiment of the utility model, the groove 112a is formed in the second surface 112 of the first layer part 110 of the dielectric layer 100, so that the weight of the dielectric layer 100 can be reduced, and the lightweight design of the GNSS antenna can be realized. Meanwhile, the dielectric layer 100 is designed to be stepped, the arrangement space of the communication antenna 400 is increased, and the communication antenna 400 is arranged on the first surface 111 of the first layer part 110 and the outer peripheral surface of the first layer part 110, so that when a plurality of communication antennas 400 are arranged, the intervals between the plurality of communication antennas 400 can be increased, and the coupling interference between the plurality of communication antennas 400 can be reduced, in addition, the first positioning antenna 200 and the second positioning antenna 300 are respectively arranged on the third surface 121 and the fourth surface 122 of the second layer part 120, so that the intervals between the communication antenna 400 and the first positioning antenna 200 and the second positioning antenna 300 can be increased, the coupling interference between the communication antenna 400 and the positioning antenna time can be reduced, and the precision of the communication antenna 400 and the first positioning antenna 200 and the second positioning antenna 300 can be improved.

Referring to fig. 2, 4 and 5, in some embodiments, the first surface 111 includes a first area a and a second area B located at an outer periphery of the first area a, the second layer portion 120 of the dielectric layer 100 is disposed on the first area a, and the plurality of communication antennas 400 are disposed at intervals on the second area B and an outer periphery of the first layer portion 110. Since the circumferential length of the second region B is greater than the circumferential length of the first region a, the plurality of communication antennas 400 are disposed at intervals in the second region B, so that the intervals between the communication antennas 400 can be increased, coupling interference between the communication antennas 400 can be further reduced, and the accuracy of the communication antennas 400 can be improved.

Further, the thickness h1 of the dielectric layer 100, i.e. the distance from the second face 112 to the third face 121, is 8mm-12mm (e.g. 8mm, 10mm or 12mm), wherein the thickness h2 of the first layer part 110, i.e. the depth of the groove, is 5mm-8mm (e.g. 5mm, 6mm, 7mm or 8mm), the thickness h3 of the second layer part 120, i.e. the distance from the first face 111 to the third face 121, is 3mm-7mm (e.g. 3mm, 5mm or 7mm), the width b of the second area is 7mm-10mm (e.g. 7mm, 8mm, 9mm or 10mm), and by reducing the thickness of the dielectric layer 100 and providing the groove 112a, the weight of the antenna is reduced, and the lightweight design of the GNSS antenna is achieved.

In some embodiments, a plurality of first through holes 111a and a plurality of second through holes 111B penetrating through the dielectric layer 100 are disposed in the second area B, the first through holes 111a and the second through holes 111B are respectively arranged in a ring shape along the center of the first surface 111, each second through hole 111B is respectively located between two adjacent first through holes 111a, the second through holes 111B are non-metal fixing holes, the first through holes 111a are used as feeding holes of the communication antenna 400, and the second through holes 111B are used as fixing holes for fixing the dielectric layer 100. The first through hole 111a disposed in the second region B may serve as an insertion point of a feed pin for providing electric energy to the communication antenna 400 disposed on the first layer portion 110 to drive the communication antenna 400, and the second through hole 111B may be disposed to allow a non-metallic material to pass through the second through hole 111B, so as to fix the dielectric layer 100, thereby ensuring stability of the light GNSS antenna of the present embodiment during actual use and preventing the light GNSS antenna of the present embodiment from shaking or even shifting due to external force.

Illustratively, the first through holes 111a and the second through holes 111b are 3 each and are spaced apart from each other, so that the first through holes 111a are spaced apart by a maximum distance as a feeding hole to maintain stable feeding, while the second through holes 111b are spaced apart by a maximum distance as a fixing hole, and centers of the 3 second through holes 111b coincide with a center of the second layer portion 120, thereby ensuring stability of the antenna when the lightweight GNSS antenna provided by the present embodiment is fixed by the second through holes 111 b. Optionally, the number of the first through holes 111a and the second through holes 111b may also be 4, 5 or other numbers, as long as the first through holes 111a and the second through holes 111b are arranged at intervals and have equal distances, which is not specifically limited in the embodiment of the present invention.

In addition, considering that the first via hole 111a serves as a feeding hole and the second via hole 111b serves as a fixing hole, the aperture of the second via hole may be larger than that of the first via hole 111a, so that the second via hole 111b can achieve effective fixing of the dielectric layer. It is understood that, in other embodiments, the aperture of the first through hole 111a and the aperture of the second through hole 111b may be the same, or the aperture of the first through hole 111a may be larger than the aperture of the second through hole 111b, which may be selected according to practical situations, and this embodiment is not limited in this respect.

Referring to fig. 6, in some embodiments, a third surface 121 is provided with a through third through hole 121a, a plurality of through fourth through holes 121b, and a plurality of through fifth through holes 121c, wherein the third through hole 121a is disposed at a central position of the third surface 121, the plurality of fourth through holes 121b are disposed outside the third through hole 121a and annularly arranged with the third through hole 121a as a center, the plurality of fifth through holes 121c are disposed outside the fourth through hole 121b and adjacent to an edge of the third surface 121, the plurality of fifth through holes 121c are annularly arranged along the center of the third surface 121, at least every two adjacent fifth through holes 121c form a group, distances between the plurality of groups of through holes are equal, and a distance between each group is greater than a distance between two adjacent fifth through holes 121c in the same group, so that when the light GNSS antenna is actually used, the antenna can be fixed by using the third through hole 121a, ensuring stable fixation of the antenna. Meanwhile, a plurality of fourth through holes 121b are provided for inserting feed pins to realize feeding, and the weight of the dielectric layer 100 can be reduced. And the multiple groups of fifth through holes 121c are evenly distributed on the edge of the third face 121, a short-circuit ring array can be formed, the isolation between the first positioning antenna 200 and the second positioning antenna 300 and the communication antenna 400 can be increased, thereby reducing the coupling interference between the first positioning antenna 200 and the second positioning antenna 300 and the communication antenna 400, the distance between the multiple groups of fifth through holes 121c is greater than two adjacent fifth through holes 121c in the same group, in this way, the distance part between each group can form branches, and the branches are staggered with the rectangular branches of the positioning antenna, so that the resonance of the antenna can be further adjusted, namely, the resonant frequency of the first positioning antenna is reduced, thereby reducing the interference between the antennas.

In addition, the fifth through holes 121c are arranged in groups, so that the processing of the fifth through holes 121c can be facilitated, the processing difficulty of the GNSS antenna is reduced, and the processing cost is reduced.

Illustratively, the number of the fifth through holes 121c is 16, wherein every 4 fifth through holes 121c form one group, and 4 groups of the fifth through holes are arranged at intervals. Optionally, the number of the fifth through holes 121c may also be 8, 12, 20, or another number, which is not specifically limited in this embodiment of the present invention.

Referring to fig. 7, in some embodiments, the first positioning antenna 200 includes a first metal patch 210 and a plurality of first branches 220, the first metal patch 210 is disposed on the third surface 121, the plurality of first branches 220 are disposed on the periphery of the first metal patch 210, and two adjacent first branches 220 are disposed at intervals, the first positioning antenna 200 is used for low-frequency resonance of the GNSS antenna, the first metal patch 210 is disposed on the third surface 121, and can receive signals clearly without interference, and the plurality of first branches 220 disposed at intervals on the first metal patch 210 can adjust resonance signals, further reduce noise in the signals, and improve positioning accuracy.

Further, this a plurality of first minor matters integrated into one piece in the periphery of first metal patch, this a plurality of first minor matters can be the rectangle minor matters to first location antenna changes in the shaping and signal resonance, the regulating effect is better.

Further, a first metal hole 211, a plurality of second metal holes 212, and a plurality of third metal holes 213 are disposed on the first metal patch 210, the first metal hole 211 is located at the center of the first metal patch 210 and disposed corresponding to the third through hole 121a of the third surface 121, the plurality of second metal holes 212 are located at the outer side of the first metal hole 211 and disposed corresponding to the fourth through hole 121b of the third surface 121, and the first metal holes 211 are annularly arranged with the center as the center to form a feeding ring, so as to implement feeding of the first positioning antenna 200, the plurality of third metal holes 213 are located at the outer side of the second metal holes 212 and annularly arranged with the center of the first metal hole 211, and the plurality of third metal holes 213 form a short-circuit circular array. The first metal hole 211 is disposed at the center of the first metal patch 210, and the GNSS antenna can be fixed from the center of the GNSS antenna by using the hole, so as to provide a stable environment for the actual use of the GNSS antenna. The plurality of second metal holes 212 are used for contacting the feed pins to realize feeding of the antenna, and the plurality of third metal holes 213 are disposed at equal intervals outside the second metal holes 212 to form a short-circuit circular ring array, so that the isolation between the first positioning antenna 200 and the communication antenna 400 is further increased, the coupling interference between the antennas can be reduced, and the accuracy of the light GNSS antenna of the embodiment is improved.

Illustratively, the number of the second metal holes 212 and the number of the third metal holes 213 are 4, and the second metal holes 212 are arranged at intervals, that is, the phase difference between the 4 second metal holes 212 is 90 °, so that balanced and stable power feeding can be realized. Optionally, the number of the second metal holes 212 and the third metal holes 213 may also be 5, 6 or other numbers, as long as stable operation of the light GNSS antenna of this embodiment can be ensured, which is not specifically limited in this embodiment of the present invention.

Referring to fig. 8, in some embodiments, the second positioning antenna 300 includes a second metal patch 310 and a plurality of second branches 320, the second metal patch 310 is disposed on the fourth surface 122, the plurality of second branches 320 are disposed on the periphery of the second metal patch 310, and two adjacent second branches 320 are disposed at intervals, the second positioning antenna 300 is used for high-frequency resonance of the GNSS antenna, and the plurality of second branches 320 disposed at intervals on the second metal patch 310 can adjust a resonant signal, further reduce noise in the signal, and improve positioning accuracy.

Further, the plurality of second branches 320 are integrally formed at the periphery of the second metal patch 310, and the plurality of second branches 320 may be rectangular branches, so that the second positioning antenna 300 is easier to form and has better signal resonance and adjustment effects.

Further, a fourth metal hole 311 penetrating through the second metal patch 310 is disposed at a center of the second metal patch 310, and the fourth metal hole 311 is disposed corresponding to the first metal hole 211 and the third through hole 121 a. By providing the fourth metal hole 311 and matching the fourth metal hole 311 with the second metal hole 211 and the third through hole 121a, when the light-weight GNSS antenna provided by the embodiment of the utility model is used, the light-weight GNSS antenna can be fixed by using a metal fixing member.

Referring to fig. 9, in some embodiments, the communication antenna 400 includes a 4G main antenna 410, a 4G diversity antenna 420 and a bluetooth/WiFi antenna 430, wherein the 4G main antenna 410 is used for transmitting and receiving 4G rf signals, the 4G diversity antenna 420 is used for receiving 4G rf signals, and the bluetooth/WiFi antenna 430 is used for transmitting and receiving bluetooth/WiFi signals, so that a multi-antenna, multi-functional integrated lightweight GNSS antenna design can be implemented. Optionally, the communication antenna 400 may also be another type of antenna, which may be specifically adjusted according to actual requirements, and this is not specifically limited in the embodiment of the present invention.

In some embodiments, the 4G main antenna 410, the 4G diversity antenna 420, and the bluetooth/WiFi antenna 430 are arranged in a ring along the center of the first side 111, and the distances between the 4G main antenna 410, the 4G diversity antenna 420, and the bluetooth/WiFi antenna 430 are equal. Thus, the maximum distance between the 4G main antenna 410, the 4G diversity antenna 420 and the bluetooth/WiFi antenna 430 on the same light GNSS antenna can be ensured, i.e. the coupling interference between the antennas can be reduced to the maximum extent, and the signal definition of the antennas and the positioning accuracy of the positioning antenna can be improved.

Referring to fig. 10, further, the 4G main antenna 410 includes a resonant branch 411, an impedance branch 412 and a connection branch 413, wherein the resonant branch 411 includes a third branch 411a, a fourth branch 411B and a fifth branch 411c, the third branch 411a, the fourth branch 411B and the fifth branch 411c are fixedly connected and disposed in the second region B of the first surface 111 for resonating with a low frequency band (e.g., 840MHz-960MHz) and a medium frequency band (e.g., 1700MHz-2700MHz) in the 4G signal, the impedance branch 412 is disposed on the outer circumferential surface of the first layer portion 110 for adjusting impedance matching of the 4G main antenna, the connection branch 413 is disposed at a connection position between the second region B and the outer circumferential surface of the first layer portion 110, the connection branch 413 is disposed at one end of the second region B and connected to the resonant branch 411, the connection branch 413 is disposed at one end of the outer circumferential surface of the first layer portion 110 and connected to the impedance branch 412, so as to connect the resonance branch 411 and the impedance branch 412, and the 4G main antenna can realize the receiving and transmitting of low-noise 4G signals through the resonance branch 411 and the impedance branch 412.

Further, the 4G main antenna 410 is further provided with a feeding through hole 414, and by providing the feeding through hole 414, when the lightweight GNSS antenna provided by the present embodiment is used, the 4G main antenna 410 can be fed through the feeding through hole 414 to drive the normal operation of the 4G main antenna 410.

Referring to fig. 11, in some embodiments, the PCB 500 is detachably disposed on the first surface 111, the PCB 500 is electrically connected to the first positioning antenna 200, the second positioning antenna 300, and the communication antenna 400 to centrally process signals of the antennas, and the lightweight GNSS antenna provided in the embodiments of the present invention can realize ordered matching of the antennas under multi-antenna integration through the PCB 500.

Further, the central position of the PCB 500 is provided with a fifth metal hole 510, and the fifth metal hole 510 corresponds to the third through hole 121a, the first metal hole 211 and the fourth metal hole 311, so that when the light GNSS antenna provided with the PCB 500 in the embodiment is provided, the light GNSS antenna can be fixed by using a metal fixing member through the cooperation of the fifth metal hole 510, the third through hole 121a, the first metal hole 211 and the fourth metal hole 311, thereby ensuring the stable operation of the antenna.

The light GNSS antenna provided by the embodiment of the application, by designing the dielectric layer 100 into a step type, the step type dielectric layer 100 is divided into the first layer part 110 and the second layer part 120, and the groove 112a is arranged on the first layer part 110, thereby realizing the light GNSS antenna design, secondly, the dielectric layer 100 adopts the step type design, the arrangement space of the communication antenna 400 is increased, thereby increasing the isolation between the integrated antennas on the light GNSS antenna, reducing the coupling interference between the antennas, improving the positioning accuracy of the first positioning accuracy 200 and the second positioning accuracy 300, and realizing the multi-antenna integration of the light GNSS antenna.

The light GNSS antenna provided by the embodiment of the present invention is described in detail above, and the principle and the embodiment of the present invention are explained in detail herein by using specific examples, and the description of the above embodiments is only for helping to understand the idea of the present invention, and there are changes in the specific embodiment and the application scope, and in summary, the content of the present specification should not be understood as a limitation to the present invention.

Claims

1. A lightweight GNSS antenna, characterized in that it comprises

a first positioning antenna disposed on the third face;

a second positioning antenna disposed on the fourth face; and

2. The lightweight GNSS antenna of claim 1, wherein the first surface includes a first region and a second region located at a periphery of the first region, the second layer portion is disposed at the first region, and the communication antenna is disposed at the second region and a peripheral surface of the first layer portion.

3. The lightweight GNSS antenna of claim 2 wherein the distance from the third surface to the second surface is 8mm to 12mm, the distance from the first surface to the third surface is 3mm to 7mm, the width of the second region is 7mm to 10mm, and the depth of the recess is 5mm to 8 mm.

4. The lightweight GNSS antenna of claim 2, wherein the second area defines a plurality of first through holes and a plurality of second through holes, the first through holes and the second through holes are annularly arranged along a center of the first surface, and each second through hole is located between two adjacent first through holes;

5. The light-weight GNSS antenna of claim 1, wherein a third through hole and a plurality of fourth through holes and fifth through holes are formed through the third surface, the third through hole is located at a center of the third surface, the plurality of fourth through holes are located outside the third through hole and are annularly arranged around the third through hole, the plurality of fifth through holes are located outside the plurality of fourth through holes and are close to an edge of the third surface, the plurality of fifth through holes are annularly arranged around the center of the third surface, at least two adjacent fifth through holes are in one group, and a distance between each group of fifth through holes is equal.

6. The lightweight GNSS antenna of any of the claims 1-5,

the first positioning antenna comprises

The first metal patch is arranged on the third surface; and

the first metal patch is provided with a first metal hole, a plurality of second metal holes and a plurality of third metal holes, the first metal hole is located in the center of the first metal patch, the plurality of second metal holes are located on the outer side of the first metal hole and are annularly arranged by taking the first metal hole as the center to form a feed ring to realize the feed of the first positioning antenna, the plurality of third metal holes are located on the outer side of the second metal hole and are annularly arranged by taking the first metal hole as the center, and the plurality of third metal holes form a short circuit ring.

7. The lightweight GNSS antenna of claim 6, wherein the second positioning antenna comprises

The second metal patch is arranged on the fourth surface; and

8. The lightweight GNSS antenna of any of claims 1-5, wherein a plurality of said communication antennas comprise

9. The lightweight GNSS antenna of claim 8, wherein the 4G host antenna comprises

10. The lightweight GNSS antenna of claim 8, wherein the 4G diversity antenna, the 4G main antenna, and the Bluetooth/WiFi antenna are arranged in a ring along the center of the first surface, and the distance from the Bluetooth/WiFi antenna to the 4G main antenna and the 4G diversity antenna is equal.