CN216750295U

CN216750295U - Reflective ridge waveguide slot array antenna

Info

Publication number: CN216750295U
Application number: CN202123027933.4U
Authority: CN
Inventors: 赵宗胜; 赵松青; 蒋溱; 程文婷
Original assignee: Shengweilun Shenzhen Communication Technology Co ltd
Current assignee: Shengweilun Shenzhen Communication Technology Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-06-14
Anticipated expiration: 2031-12-01

Abstract

The embodiment of the utility model provides a reflective ridge waveguide slot array antenna, include from last to first waveguide layer, first coupling layer, feed layer and the reflection stratum composition down, wherein, the feed layer distributes and transmits the electromagnetic wave signal of receiving first coupling layer, first coupling layer carries out the coupling to electromagnetic wave signal and handles the back, by first waveguide layer radiates, the reflection stratum is to radiating on it electromagnetic wave signal outwards reflects. Electromagnetic wave signals radiated on the reflecting layer are reflected through the reflecting layer, so that the receiving and transmitting of the electromagnetic wave signals by the antenna are more concentrated, and the signal strength and the signal propagation efficiency are effectively improved.

Description

Reflection type ridge waveguide slot array antenna

Technical Field

The utility model relates to an antenna equipment technical field, especially a reflective ridge waveguide slot array antenna.

Background

An antenna is a device for transmitting or receiving electromagnetic waves in radio equipment, and engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, radio astronomy and the like, all of which transmit information by using electromagnetic waves, rely on antennas for operation.

In order to make the effect of receiving and sending electromagnetic wave signals better, the semi-directional transmission of the electromagnetic waves is realized by a certain technical means, and the electromagnetic waves can be dispersedly transmitted in various directions in the transmission process; this makes the signal more dispersive and reduces the propagation efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention has been developed to provide a reflective ridge waveguide slot array antenna that overcomes, or at least partially solves, the above problems;

the utility model provides a reflective ridge waveguide slot array antenna, includes from last first waveguide layer, first coupling layer, feed layer and the reflection stratum of extremely down and constitutes, wherein, the feed layer distributes and transmits the electromagnetic wave signal of receiving first coupling layer, first coupling layer carries out the coupling to electromagnetic wave signal and handles the back, by first waveguide layer radiates, the reflection stratum is to radiating above that electromagnetic wave signal is outside reflection.

Preferably, the reflective display further comprises a reflective side plate arranged at least on one side of the reflective layer.

Preferably, the coupling layer includes a plurality of coupling ports.

Preferably, the operating frequency of the reflective ridge waveguide slot array antenna is 30GHz to 220 GHz.

Preferably, the feed layer comprises a ridge transmission line based on a high-impedance surface, a WR-12 standard waveguide port and a bottom plate which are arranged in sequence from top to bottom.

Preferably, the number of the reflecting side plates is two relative to the reflecting layer; the included angle of the two reflecting side plates is 30-120 degrees.

Preferably, the optical waveguide further comprises a second waveguide layer and a second coupling layer; the second waveguide layer and the second coupling layer are symmetrically disposed with respect to the feed layer.

Preferably, the waveguide layer is a stacked dual-polarized structure.

Preferably, the second waveguide layer is a stacked dual-polarized structure.

The utility model has the advantages of it is following:

the embodiment of the utility model provides an in, constitute through first waveguide layer, first coupling layer, feed layer and reflection stratum from last to lower, wherein, the feed layer distributes and transmits the electromagnetic wave signal of receipt first coupling layer, first coupling layer carries out the coupling to electromagnetic wave signal and handles after, by first waveguide layer radiates, the reflection stratum is to radiating on it electromagnetic wave signal outwards reflects. Electromagnetic wave signals radiated on the reflecting layer are reflected through the reflecting layer, so that the receiving and transmitting of the electromagnetic wave signals by the antenna are more concentrated, and the signal strength and the signal propagation efficiency are effectively improved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings required for the description of the present invention will be briefly introduced 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 inventive labor.

Fig. 1 is a schematic structural diagram of a reflective ridge waveguide slot array antenna according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a reflective ridge waveguide slot array antenna according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a partial structure of a waveguide layer of a reflective ridge waveguide slot array antenna according to an embodiment of the present invention.

In the drawings: 101. a first waveguide layer; 102. a first coupling layer; 103. a feed layer; 104. a reflective layer; 105. a reflective side panel; 106. a second coupling layer; 107. a second waveguide layer.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that the WR-12 standard of the WR-12 standard waveguide port in the present application is "national waveguide standard", which is referred to GB1450.6-89 implementation standard.

Referring to fig. 1, a reflective ridge waveguide slot array antenna according to an embodiment of the present invention is shown, including from top to bottom a first waveguide layer 101, a first coupling layer 102, a feeding layer 103 and a reflection layer 104, wherein the feeding layer 103 distributes and transmits a received electromagnetic wave signal to the first coupling layer 102, the first coupling layer 102 performs coupling processing on the electromagnetic wave signal and then radiates from the first waveguide layer 101, and the reflection layer 104 reflects the electromagnetic wave signal outwards.

In the above embodiment, the reflection layer 104 reflects the electromagnetic wave signals radiated thereon, so as to overlap and transmit the electromagnetic wave signals with the first waveguide layer 101, so that the electromagnetic wave signals transmitted and received by the antenna are more concentrated, and the signal strength and the signal propagation efficiency are effectively improved.

Next, a reflective ridge waveguide slot array antenna in the present exemplary embodiment will be further described.

Referring to fig. 2, in an embodiment of the present application, the reflective ridge waveguide slot array antenna includes a first waveguide layer 101, a first coupling layer 102, a feeding layer 103, and a reflecting layer 104 from top to bottom, where the feeding layer 103 distributes and transmits a received electromagnetic wave signal to the first coupling layer 102, the first coupling layer 102 performs coupling processing on the electromagnetic wave signal and radiates the electromagnetic wave signal through the first waveguide layer 101, and the reflecting layer 104 reflects the electromagnetic wave signal radiated thereon; and a reflective side plate 105 disposed at least on one side of the reflective layer 104.

In the above embodiment, the electromagnetic wave radiated to the side surface of the side antenna device is propagated in a direction relatively concentrated on the front surface of the antenna device by the reflecting side plate 105, and the electromagnetic wave radiated to the side surface of the antenna device can be received, thereby further improving the efficiency of transmitting and receiving signals.

The first coupling layer 102 includes a plurality of coupling ports, a plurality of coupling ports are disposed on the surface of the first coupling layer 102, wherein the number of the coupling ports is plural, the feed layer 103 further includes a ridge transmission line based on a high-impedance surface, a WR-12 standard waveguide port and a bottom plate, a gap substantially in the shape of a long strip is further disposed on the surface of the feed layer 103, and the gap and the ridge transmission line based on the high-impedance surface jointly form a five-stage T-shaped power divider for distributing electromagnetic wave signals, so as to facilitate the cooperation with the coupling ports. Specifically, the first coupling layer 102 is coupled to the feeding layer 103 through a coupling port.

In an embodiment of the present application, an operating frequency of the reflective ridge waveguide slot array antenna is 30GHz to 220 GHz; in the application, the frequencies of the electromagnetic waves are preferably set to be 71GHz, 79GHz and 86GHz, actual electromagnetic wave radiation measurement values and simulation values show better fit curves, the gain performance of the ridge waveguide slot array antenna is good, the S11 reflection coefficients of the actually measured electromagnetic waves are respectively-13.05 dB and-15.51 dB, and the gain and standing wave performance of the electromagnetic waves are in good states.

In an embodiment of the present application, as shown in fig. 2, the reflective side plates 105 are symmetrically arranged in two pieces with respect to the reflective layer 104; the included angle of the two reflecting side plates 105 is 30-120 degrees; preferred angles in this application are 32 °, 60 °, 65 °, 90 °, 105 ° and 120 °.

In the above embodiments, the beam width of the electromagnetic wave signal generally refers to the energy width (horizontal half-power angle and vertical half-power angle) of the main lobe. The coverage range of the signal energy in the horizontal direction and the vertical direction is limited through the beam width, and the signal intensity in the range is guaranteed. The beam width limitation is further reached by adding reflective side plates 105. By adding the reflective side panels 105, narrowing of the horizontal beam is facilitated so that concentration of energy can be facilitated to secure the strength of the signal (suitable for strip coverage such as railway or road coverage).

In an embodiment of the present application, as shown in fig. 2, further includes a second waveguide layer 107 and a second coupling layer 106; said second waveguide layer 107 and said second coupling layer 106 are symmetrically arranged with respect to said feed layer; said second coupling layer 106 and said second waveguide layer 107 radiate electromagnetic waves directly towards the reflection layer 104; propagating through the reflecting layer 104 in the direction of the first waveguide layer 101 further enhances the strength of the transmitted signal and likewise the sensitivity of the received signal.

In an embodiment of the present application, as shown in fig. 3, the first waveguide layer 101 is a stacked dual-polarized structure; the second waveguide layer 107 is a stacked dual-polarized structure.

In the above embodiment, the dual-band electromagnetic wave signals are transmitted and received by the dual-polarization structure, and the multi-polarization structure is designed on the basis of the dual-polarization structure, so that the multi-band electromagnetic wave signals are transmitted and received.

The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.

The detailed description is given above on the reflective ridge waveguide slot array antenna provided by the present invention, and the specific examples are applied herein to explain the principles and embodiments of the present invention, and the description of the above embodiments is only used to help understand the method and core ideas of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a reflective ridge waveguide slot array antenna which characterized in that, comprises from last first waveguide layer, first coupling layer, feed layer and the reflection stratum to down, wherein, the feed layer distributes and transmits the electromagnetic wave signal of receiving first coupling layer, first coupling layer carries out the coupling to electromagnetic wave signal and handles the back, by first waveguide layer radiates, the reflection stratum is to radiating above that electromagnetic wave signal is outside reflection.

2. The reflective ridge waveguide slot array antenna of claim 1, further comprising a reflective side plate disposed at least on one side of the reflective layer.

3. The reflective ridge waveguide slot array antenna of claim 1, wherein the first coupling layer comprises a plurality of coupling ports.

4. The reflective ridge waveguide slot array antenna of claim 1, wherein the reflective ridge waveguide slot array antenna has an operating frequency of 30GHz to 220 GHz.

5. The reflective ridge waveguide slot array antenna as claimed in claim 1, wherein the feeding layer further comprises a ridge transmission line based on a high impedance surface, a WR-12 standard waveguide port and a bottom plate sequentially arranged from top to bottom.

6. The reflective ridge waveguide slot array antenna of claim 2, wherein the reflective side plates are symmetrically arranged in two with respect to the reflective layer;

the included angle of the two reflecting side plates is 30-120 degrees.

7. The reflective ridge waveguide slot array antenna of claim 1, further comprising a second waveguide layer and a second coupling layer; the second waveguide layer and the second coupling layer are symmetrically disposed with respect to the feed layer.

8. The reflective ridge waveguide slot array antenna of claim 1, wherein the first waveguide layer is a stacked dual-polarized structure.

9. The reflective ridge waveguide slot array antenna of claim 7, wherein the second waveguide layer is a stacked dual polarized structure.