CN211670326U - Ultra-wideband ridge corrugated horn antenna - Google Patents
Ultra-wideband ridge corrugated horn antenna Download PDFInfo
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- CN211670326U CN211670326U CN202020593278.5U CN202020593278U CN211670326U CN 211670326 U CN211670326 U CN 211670326U CN 202020593278 U CN202020593278 U CN 202020593278U CN 211670326 U CN211670326 U CN 211670326U
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Abstract
The utility model provides an ultra wide band adds ridge ripple horn antenna, this ultra wide band adds ridge ripple horn antenna divide into transition part and horn mouth face part along the electromagnetic wave radiation direction, just the ultra wide band adds the inside passageway that is equipped with of ridge ripple horn antenna, and is located transition part's passageway is first passageway, and is located the passageway of horn mouth face part is the second passageway, and wherein, a plurality of annular groove follow the setting of second passageway inner wall. Through the utility model provides a technical scheme can solve and do not cover the technical problem of the ultra wide band antenna of 5G millimeter wave frequency channel among the prior art.
Description
Technical Field
The utility model relates to a broadband technical field particularly, relates to an ultra wide band adds spine ripple horn antenna.
Background
The fifth generation cellular mobile communication system is characterized by high speed, low delay and dense connection. Compared with the prior communication systems, the frequency used by the 5G communication system is obviously improved. The 1.13 topic is newly established in the research period of world radio communication society in 2019, an available frequency band is searched above 6GHz, and the research frequency range is 24.25-86 GHz.
That is, the following new requirements are created for the 5G test: 1. a series of antennas suitable for each test method is required; 2. the frequency band of 5G millimeter waves is required to be covered by 24-50 GHz and 22.5-45 GHz; 3. dual linear polarization, high cross polarization 45dB, high port isolation 40dB is required.
Similarly, for the new requirements of the above 5G test, the existing product has the following bottlenecks: 1. the frequency band is not tested for 5G millimeter waves; 2. no standard waveguide covers the 5G millimeter wave frequency band; 3. the existing dual linear polarization is specifically cross polarization of 30dB, and the port isolation is 20 dB; 4. there is no ultra-wideband antenna covering the 5G millimeter wave band.
Aiming at the technical problem that an ultra-wideband antenna covering a 5G millimeter wave frequency band does not exist in the prior art, a target is not solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides an ultra wide band adds ridge ripple horn antenna to solve the problem that does not have the ultra wide band antenna's of covering 5G millimeter wave frequency channel technique among the prior art.
In order to solve the problem, according to the utility model discloses an aspect, the utility model provides an ultra wide band adds spine ripple horn antenna, this ultra wide band adds spine ripple horn antenna and divide into transition part and horn mouth face part along the electromagnetic wave radiation direction, just the ultra wide band adds the inside passageway that is equipped with of spine ripple horn antenna, and is located transition part's passageway is first passageway, and is located the passageway of horn mouth face part is the second passageway, and wherein, a plurality of annular groove follow the setting of second passageway inner wall.
Furthermore, the plurality of annular grooves are sequentially arranged on the inner wall of the second channel side by side along the transmission direction of the electromagnetic waves.
Further, the annular groove is characterized by at least one of the following features: the cross section of the annular groove is rectangular; the groove width of the annular groove is a first threshold value; the groove spacing of the annular groove is a second threshold value; the number of the annular grooves is a third threshold value; the distance between the annular groove closest to the first end of the second channel and the first end of the second channel is a fourth threshold value; the distance between the annular groove closest to the second end of the second channel and the second end of the second channel is a fifth threshold.
Further, the groove depth of the annular groove is a fixed value; alternatively, the annular groove is progressively increasing/decreasing in a direction from the first end to the second end of the second channel.
Further, the diameter of the first channel is gradually increased in the direction from the transition part to the bell-mouth surface part; and/or the diameter of the second channel gradually increases in the direction from the transition part to the bell-mouth surface part.
Furthermore, a ridge with a square cross section is further arranged on the inner wall of the first channel.
Furthermore, the ridge is arranged on the inner wall of the first channel along the transmission direction of the electromagnetic waves, and two ends of the ridge are aligned with two ends of the first channel; and/or, in the case that the ridges are multiple, the multiple ridges are arranged on the inner wall of the first channel side by side and at equal intervals.
Further, the ridge height of the ridge provided on the inner wall of the first passage is gradually decreased in the direction from the transition portion to the flare face portion.
Further, the ridges arranged on the inner wall of the first channel are divided into a first stage, a second stage and a third stage, wherein the ridge height of the first stage is unchanged, the ridge height of the second stage is reduced in high linearity, and the ridge height of the third stage is reduced in curve.
Furthermore, under the condition that N ridges are arranged on the inner wall of the first channel, N groups of first connecting pieces are arranged on the transition part, and second connecting pieces are arranged on the bottom surfaces of the N ridges, wherein the first connecting pieces and the second connecting pieces are arranged in a matched mode and used for fixing the ridges on the inner wall of the first channel.
Further, at least one positioning groove is formed in the inner wall of the first channel, wherein the positioning grooves correspond to the ridges one to one, and the ridges are arranged in the positioning grooves.
Further, the ultra wide band adds spine ripple horn antenna still includes the fixed part, this fixed part set up in ultra wide band adds spine ripple horn antenna and keeps away from on the periphery of the one end of horn mouth face, just be equipped with on the fixed part be used for with ultra wide band adds spine ripple horn antenna and is fixed in electromagnetic wave transmission device's third connecting piece, wherein, electromagnetic wave transmission device is used for passing through ultra wide band adds spine ripple horn antenna and accepts/sends the electromagnetic wave.
To sum up, the embodiment of the present application provides an ultra wide band antenna that can cover 5G millimeter wave frequency channel, promptly: the ultra wide band adds ridge ripple horn antenna, and this ultra wide band adds ridge ripple horn antenna has following characteristics: the radiation pattern is axisymmetric, low side lobe and low cross polarization. When the number of the ridges is four, the ultra-wideband ridged corrugated horn antenna works in a dual-polarization mode. The ultra-wideband ridged corrugated horn antenna is very suitable for 5G millimeter wave tests, ultra-wideband tests and other application occasions.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of an ultra-wideband ridged corrugated horn antenna according to an embodiment of the present disclosure;
fig. 2 is a side view of an ultra-wideband ridged corrugated horn antenna according to an embodiment of the present application;
FIG. 3 is a schematic view of a transition portion provided in an embodiment of the present application;
FIG. 4 is a schematic view of a flare face portion provided in an embodiment of the present application;
FIG. 5 is a perspective view of a flare face portion provided in accordance with an embodiment of the present application;
FIG. 6 is a perspective view of a transition portion (including ridges) provided by an embodiment of the present application;
FIG. 7 is a perspective view of a transition portion (not including a ridge) provided by an embodiment of the present application;
FIG. 8 is a schematic view of a port of a transition section provided in an embodiment of the present application;
fig. 9 is a schematic view of a ridge of a transition portion provided in an embodiment of the present application.
Wherein the figures include the following reference numerals:
10. a transition portion; 11. a ridge; 11a, a first stage; 11b, a second stage; 11c, a third stage; 20. a bellmouth face portion; 21. an annular groove; 30. a channel; 31. a first channel; 32. a second channel; 41. a first connecting member; 42. a second connecting member; 50. a positioning groove; 60. a fixed part; 61. and a third connecting member.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the embodiment of the utility model provides an ultra wide band adds spine ripple horn antenna, this ultra wide band adds spine ripple horn antenna and divide into transition part and horn mouth face part along the electromagnetic wave radiation direction, just the ultra wide band adds the inside passageway that is equipped with of spine ripple horn antenna, and is located transition part's passageway is first passageway, and is located the passageway of horn mouth face part is the second passageway, and wherein, a plurality of annular groove edges second passageway inner wall sets up.
It should be noted that: the ultra-wideband and ridged corrugated horn antenna is used for converting guided waves propagating on a transmission line into electromagnetic waves propagating in an unbounded medium or vice versa. I.e. components used in radio equipment for transmitting or receiving electromagnetic waves, which components are often connected to a broadband OMT (mode coupler).
It should be noted that: the transition portion is shown in fig. 3 and the flare face portion is shown in fig. 4.
It should be noted that: the plurality of annular grooves are arranged along the inner wall of the second channel, and the annular grooves are arranged along the inner wall of the second channel: as shown in fig. 5, a groove is provided on the inner wall of the second passage along the cross section, and at this time, the groove naturally forms an annular groove based on the shape of the inner wall of the passage itself.
In an optional example, the plurality of annular grooves are arranged on the inner wall of the second channel side by side in sequence along the transmission direction of the electromagnetic wave. That is, as shown in fig. 5, the side walls of any two adjacent annular grooves are arranged side by side at equal intervals on the inner wall of the second passage.
In an alternative example, the annular groove is characterized by at least one of:
1. the cross section of the annular groove is the same shape, for example: rectangular, semi-circular, triangular, etc.
2. The groove width of the annular groove is a first threshold value, and the value range of the first threshold value is as follows: 0.1mm-2 mm; the groove interval of the annular groove is a second threshold value, and the value range of the second threshold value is as follows: 0.1mm-2 mm; the number of the annular grooves is a third threshold, wherein the third threshold is determined by specific gain conditions; the distance between the annular groove closest to the first end of the second channel and the first end of the second channel is a fourth threshold, and the value range of the fourth threshold is as follows: 0.1mm-5 mm; the distance between the annular groove closest to the second end of the second channel and the second end of the second channel is a fifth threshold, and the value range of the fifth threshold is as follows: 0.1mm-5 mm.
It should be noted that: the groove pitch of the annular groove means: the linear distance between the adjacent side walls of two adjacent annular grooves.
It should be noted that: the first end of the second channel is the end near the transition portion and the second end of the second channel is the end far from the transition portion.
It should be noted that: the flare face portion may determine a length value of the flare face portion based on the first threshold, the second threshold, the third threshold, the fourth threshold, and the fifth threshold of the annular groove; that is, the flare face portion may determine a channel length of the second channel of the flare face portion based on the first threshold, the second threshold, the third threshold, the fourth threshold, and the fifth threshold of the annular groove.
In addition, after the channel length of the second channel of the flared surface portion is determined, the specific arrangement of the annular groove is deduced, and the application is not particularly limited thereto.
3. The groove depth of the annular groove can be a fixed value, and the value range of the fixed value is as follows: 0.1mm-2 mm; it is also possible to make an increase/decrease in the direction from the first end to the second end of the second channel.
For example, the following steps are carried out: as shown in fig. 5, the plurality of annular grooves are parallel to the cross section of the second channel and are arranged side by side on the inner wall of the second channel, and the groove depths of the plurality of annular grooves are fixed values, that is, the groove depths of the plurality of annular grooves are the same and are fixed values.
In an alternative example, the first channel has a constant/gradually increasing channel diameter in the direction from the transition portion to the flare face portion; and/or the diameter of the second channel in the direction from the transition part to the bell-mouth surface part is kept constant/gradually increased.
That is, in this example, there are the following cases: the channel diameter of the first channel gradually increases and the channel diameter of the second channel also gradually increases in the direction from the transition portion to the flare face portion; in the direction from the transition portion to the flare face portion, the channel diameter of the first channel gradually increases while the channel diameter of the second channel remains unchanged; in the direction from the transition portion to the flare face portion, the channel diameter of the first channel remains constant while the channel diameter of the second channel gradually increases; the channel diameter of the first channel remains constant in the direction of the transition portion to the flare face portion, and the channel diameter of the second channel also remains constant.
It should be noted that: in the case where the passage diameter of the second passage is gradually increased, the annular inner diameter of the plurality of annular grooves provided on the inner wall of the second passage is also increased as the passage diameter is increased, as shown in fig. 5 in particular.
It should be noted that: the gradually increasing channel diameter of the first channel and the second channel refers to a linear increase, as shown in fig. 5, 6, and 7.
In an optional example, the first channel inner wall is further provided with a ridge with a square cross section.
The ridge is arranged on the inner wall of the first channel along the transmission direction of the electromagnetic waves, and two ends of the ridge are flush with two ends of the first channel. That is, as shown in fig. 6, the ridge is disposed along the extending direction of the first passage, one end of the ridge disappears at the first end of the first passage, and the other end of the ridge disappears at the other end of the first passage.
When the ridges are multiple, the ridges are arranged on the inner wall of the first channel side by side and at equal intervals. For example, the following steps are carried out: as shown in fig. 8, if four ridges are provided on the inner wall of the first channel, the four ridges are uniformly provided on the inner wall of the first channel as seen in the cross section of the first channel.
Wherein the ridge height of the ridge provided on the inner wall of the first passage is gradually reduced in the direction from the transition portion to the flare face portion. Optionally, the ridge height may be changed linearly, may be changed in a curve, or may be changed in a combination of linearly and curvilinearly.
For example, the following steps are carried out: as shown in fig. 9, the ridges disposed on the inner wall of the first channel are divided into a first stage, a second stage and a third stage, wherein the ridge height of the first stage is constant, the ridge height of the second stage is reduced in high linearity, and the ridge height of the third stage is reduced in a curve, preferably a circular arc with a radius R (for example, a circular arc with a radius of 180 mm).
In an alternative example, in the case that N ridges are provided on the inner wall of the first channel, N groups of first connecting members are provided on the transition portion, and a second connecting member is provided on the bottom surface of the N ridges, wherein the first connecting members and the second connecting members are cooperatively provided for fixing the ridges on the inner wall of the first channel.
For example, the following steps are carried out: as shown in fig. 1 and 2, the first connecting member may be a through hole disposed on the transition portion, and the second connecting member may be a screw hole disposed on the bottom surface of the ridge, at this time, the screw passes through the screw hole to be connected with the screw hole, thereby fixing the ridge on the inner wall of the first channel.
For example, the following steps are carried out: the first and second connectors may be cooperating clamping connectors by which the ridge is fixed to the inner wall of the first channel.
In an optional example, at least one positioning groove is provided on an inner wall of the first channel, wherein the positioning groove and the ridge are provided in a one-to-one correspondence, and the ridge is provided in the positioning groove.
For example, the following steps are carried out: as shown in fig. 7, at the location for the ridge to be mounted on the inner wall of the first channel, there is now a positioning groove. At this time, the ridge may be placed in the positioning groove so as to position-limit the ridge.
It should be noted that: in the case of a positioning groove provided on the inner wall of the transition portion, the ridge height is still the height of the ridge side wall relative to the inner wall. That is, the ridge height does not include the height of the detent.
In an optional example, the ultra-wideband ridged corrugated horn antenna further comprises a fixing portion, the fixing portion is disposed on a periphery of an end of the ultra-wideband ridged corrugated horn antenna away from the horn-mouth surface, and a third connecting member for fixing the ultra-wideband ridged corrugated horn antenna to an electromagnetic wave transmission device is disposed on the fixing portion, wherein the electromagnetic wave transmission device is configured to receive/transmit electromagnetic waves through the ultra-wideband ridged corrugated horn antenna.
For example, the following steps are carried out: as shown in fig. 1, 2 and 3, the outer wall of the transition portion is expanded at an end away from the bell-mouth surface to form a fixing portion, wherein the fixing portion is provided with a plurality of through holes and a plurality of first alignment members, the through holes on the fixing portion are arranged corresponding to the through holes on the electromagnetic wave transmission device, so that the two through holes are connected by a connecting member such as a screw, and the ultra wide band ridged corrugated horn antenna is fixed on the electromagnetic wave transmission device; and the first alignment piece on the fixing part is arranged opposite to the second alignment piece on the electromagnetic wave transmission device, so that the first alignment piece is inserted into the second alignment piece/the first alignment piece is inserted into the second alignment piece, and the channel of the ultra wide band ridged corrugated horn antenna is connected with the channel of the electromagnetic wave transmission device in an alignment way.
To sum up, the embodiment of the present application provides an ultra wide band antenna that can cover 5G millimeter wave frequency channel, promptly: the ultra wide band adds ridge ripple horn antenna, and this ultra wide band adds ridge ripple horn antenna has following characteristics: the radiation pattern is axisymmetric, low side lobe and low cross polarization. When the number of the ridges is four, the ultra-wideband ridged corrugated horn antenna works in a dual-polarization mode. The ultra-wideband ridged corrugated horn antenna is very suitable for 5G millimeter wave tests, ultra-wideband tests and other application occasions.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
Claims (12)
1. The utility model provides an ultra wide band adds ridge ripple horn antenna, characterized in that, ultra wide band adds ridge ripple horn antenna and divide into transition portion (10) and horn mouth face part (20) along electromagnetic wave radiation direction, just ultra wide band adds inside passageway (30) that is equipped with of ridge ripple horn antenna, and is located passageway (30) of transition portion (10) are first passageway (31), and are located passageway (30) of horn mouth face part (20) are second passageway (32), and wherein, a plurality of annular groove (21) are followed second passageway (32) inner wall sets up.
2. The UWB-ridged corrugated horn antenna according to claim 1, wherein the plurality of annular grooves (21) are arranged side by side in order on the inner wall of the second channel (32) in the electromagnetic wave transmission direction.
3. An ultra-wideband ridged corrugated horn antenna according to claim 1, characterized in that said annular groove (21) is characterized by at least one of: the cross section of the annular groove (21) is rectangular; the groove width of the annular groove (21) is a first threshold value; the groove pitch of the annular groove (21) is a second threshold value; the number of the annular grooves (21) is a third threshold value; -the distance between the annular groove (21) closest to the first end of the second channel (32) and the first end of the second channel (32) is a fourth threshold value; the distance between the annular groove (21) closest to the second end of the second channel (32) and the second end of the second channel (32) is a fifth threshold value.
4. The ultra-wideband ridged corrugated horn antenna according to claim 1, wherein the groove depth of said annular groove (21) is a fixed value; or, the groove depth of the annular groove (21) is increased/decreased in a direction from the first end to the second end of the second channel (32).
5. The UWB-ridged corrugated horn antenna of claim 1, wherein the first channel (31) has a gradually increasing channel diameter in the direction of the transition portion (10) to the flared surface portion (20); and/or the second channel (32) has a gradually increasing channel diameter in the direction from the transition portion (10) to the flare face portion (20).
6. The UWB-ridged corrugated horn antenna according to claim 5, wherein the first channel (31) is further provided with ridges (11) having a square cross section on the inner wall thereof.
7. The UWB-ridged corrugated horn antenna according to claim 6, wherein the ridge (11) is disposed on the inner wall of the first channel (31) along the direction of electromagnetic wave transmission, and both ends of the ridge (11) are aligned with both ends of the first channel (31); and/or, in the case that the ridges (11) are multiple, the multiple ridges (11) are arranged on the inner wall of the first channel (31) side by side and at equal intervals.
8. The UWB-ridged corrugated horn antenna according to claim 6, wherein the ridge height of the ridges (11) provided on the inner wall of the first channel (31) is gradually decreased in a direction from the transition portion (10) to the bellmouth face portion (20).
9. The UWB-ridged horn antenna of claim 8, wherein the ridges (11) provided on the inner wall of the first channel (31) are divided into a first stage (11a), a second stage (11b), and a third stage (11c), wherein the ridge height of the first stage (11a) is constant, the ridge height of the second stage (11b) is reduced in linearity, and the ridge height of the third stage (11c) is reduced in curve.
10. The uwb-ridged horn antenna according to any one of claims 1 to 9, wherein N sets of first connectors (41) are provided on the transition portion (10) and second connectors (42) are provided on the bottom surfaces of N ridges (11) in the case where N ridges (11) are provided on the inner wall of the first channel (31), wherein the first connectors (41) and the second connectors (42) are cooperatively provided for fixing the ridges (11) to the inner wall of the first channel (31).
11. The UWB-ridged corrugated horn antenna according to any one of claims 1 to 9, wherein the inner wall of the first channel (31) is provided with at least one positioning groove (50), wherein the positioning groove (50) and the ridge (11) are arranged in a one-to-one correspondence, and the ridge (11) is arranged in the positioning groove (50).
12. The uwb-ridged horn antenna according to any one of claims 1 to 9, further comprising a fixing portion (60), wherein the fixing portion (60) is disposed on an outer periphery of an end of the uwb-ridged horn antenna away from the bellmouth surface, and wherein the fixing portion (60) is provided with a third connecting member (61) for fixing the uwb-ridged horn antenna to an electromagnetic wave transmission device for receiving/transmitting electromagnetic waves through the uwb-ridged horn antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020593278.5U CN211670326U (en) | 2020-04-20 | 2020-04-20 | Ultra-wideband ridge corrugated horn antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020593278.5U CN211670326U (en) | 2020-04-20 | 2020-04-20 | Ultra-wideband ridge corrugated horn antenna |
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| CN211670326U true CN211670326U (en) | 2020-10-13 |
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| CN202020593278.5U Active CN211670326U (en) | 2020-04-20 | 2020-04-20 | Ultra-wideband ridge corrugated horn antenna |
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