CN215415629U - Multifunctional millimeter wave antenna feeder testing device and system - Google Patents
Multifunctional millimeter wave antenna feeder testing device and system Download PDFInfo
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- CN215415629U CN215415629U CN202120493402.5U CN202120493402U CN215415629U CN 215415629 U CN215415629 U CN 215415629U CN 202120493402 U CN202120493402 U CN 202120493402U CN 215415629 U CN215415629 U CN 215415629U
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Abstract
The utility model discloses a multifunctional millimeter wave antenna feeder testing device and a system, wherein the device comprises: the device comprises a bottom plate and a pair of pressing blocks, wherein the bottom plate is connected with the pair of pressing blocks; the bottom plate comprises a plurality of waveguide through holes which are arranged at intervals; the waveguide through hole penetrates through the first surface and the second surface of the bottom plate, and the first surface and the second surface are arranged oppositely; the pressing block comprises a resonant cavity and an output hole, the resonant cavity is a cavity arranged in the pressing block, the resonant cavity is provided with an opening facing the first surface, the openings of the resonant cavity and the waveguide through holes are arranged in a one-to-one correspondence mode, the resonant cavity is communicated with the output hole, and the output holes of the pair of pressing blocks are arranged oppositely. The utility model can be used for testing various types of microstrip antennas, various transmission lines and resonant rings to wait for testing parts, and has the advantages of extremely high universality, high testing precision and low testing cost.
Description
Technical Field
The utility model relates to the technical field of antennas, in particular to a multifunctional millimeter wave antenna feeder testing device and system.
Background
The hardware integration level of the existing millimeter wave radar is very high, and a common microstrip antenna and a feed network are often integrated on a multilayer PCB (printed circuit board) together with an SOC (system on chip) or MMIC (monolithic integrated circuit) chip. Therefore, the accurate test of the millimeter wave microstrip antenna and the feed network becomes a difficult point. In addition, the millimeter wave frequency band is high, the requirements on the processing and the process of a test tool are high, common test equipment such as a probe station is expensive, the test method is complex, and the probe is easy to damage. And the processing cost of various test tools is high, and the cost is often not very high for a set of complete test tool set for testing the microstrip antenna, the microstrip feeder line and the resonant ring.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the existing testing method and device, the utility model provides a multifunctional testing device capable of testing various types of microstrip antennas, various transmission lines and resonant rings, and provides a low-cost scheme for accurately testing the millimeter wave microstrip antennas, the millimeter wave feed network and high-frequency dielectric materials.
In order to achieve the above object, a first aspect of the present invention provides a multifunctional millimeter wave antenna feeder testing device, including a bottom plate and a pair of pressing blocks, where the bottom plate is connected to the pair of pressing blocks;
the bottom plate comprises a plurality of waveguide through holes which are arranged at intervals; the waveguide through hole penetrates through a first surface and a second surface of the bottom plate, and the first surface and the second surface are arranged oppositely;
the pressing block comprises a resonant cavity and output holes, the resonant cavity is a cavity arranged in the pressing block, the resonant cavity is provided with an opening facing the first surface, the openings of the resonant cavity and the waveguide through holes are arranged in a one-to-one correspondence mode, the resonant cavity is communicated with the output holes, and the output holes of the pair of pressing blocks are arranged oppositely.
The pressing block is connected with the bottom plate through the first limiting pieces, and the first limiting pieces are used for limiting the dielectric plate integrated with the piece to be detected in the direction perpendicular to the first surface.
Further, first locating part includes screw locking hole, first locating pin and locking screw, screw locking hole sets up on the briquetting, first locating pin sets up on the bottom plate, screw locking hole with first locating pin passes through locking screw cooperation is connected in order to with the briquetting is pressed to first surface.
The dielectric board integrated with the to-be-tested piece is further provided with a plurality of second limiting pieces, and the second limiting pieces are used for limiting the dielectric board integrated with the to-be-tested piece in the plane where the first surface is located.
Furthermore, the second locating part comprises a limiting hole and a second locating pin, the limiting hole is formed in the pressing block, the second locating pin protrudes out of the first surface of the bottom plate, the second locating pin is arranged in a medium plate placing area integrated with the to-be-tested part, the second locating pins are arranged at intervals in a non-collinear mode, and the limiting hole corresponds to the second locating pin.
Further, the distance between the first positioning pin and the waveguide through hole is larger than the distance between the second positioning pin and the waveguide through hole.
Further, the pressing block is groove-shaped, and the output hole is formed in the inner side of the groove of the pressing block.
Further, the resonant cavity is arranged in the middle area of the length direction of the pressing block.
Further, the bottom plate further comprises a flange plate, the flange plate is used for being connected with an external element, the flange plate is arranged on the second surface, and the flange plate and the waveguide through hole are coaxially arranged.
A second aspect of the present invention provides a multifunctional millimeter wave antenna feeder testing system, comprising a multifunctional millimeter wave antenna feeder testing apparatus according to the first aspect of the present invention.
The utility model has the following beneficial effects:
the multifunctional millimeter wave antenna feeder testing device and the system provided by the embodiment of the utility model can be used for testing various forms of microstrip antennas, various transmission lines and resonant rings to wait for testing parts.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an exploded view of a test device provided in accordance with one embodiment of the present invention;
FIG. 2 is a top view of a test apparatus provided in accordance with one embodiment of the present invention;
FIG. 3 is a cross-sectional view of a testing device provided in accordance with an embodiment of the present invention;
FIG. 4 is a top view of a test apparatus provided in accordance with one embodiment of the present invention;
FIG. 5 is a top view of a test apparatus provided by another embodiment of the present invention;
FIG. 6 is a top view of a test transmission line using a test apparatus provided in one embodiment of the utility model;
fig. 7 is a top view of a test antenna using a test apparatus provided in an embodiment of the utility model.
The antenna comprises a base plate 1, a pressing block 2, a waveguide through hole 3, a resonant cavity 4, an output hole 5, a dielectric plate 6, a screw locking hole 7, a first positioning pin 8, a locking screw 9, a limiting hole 10, a second positioning pin 11, a flange plate 12, a transmission line 13 and an antenna 14.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through the interior of two elements or in interactive relation with one another. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Fig. 1 is an exploded view of a test apparatus provided in an embodiment of the present invention, and fig. 2 is a plan view of the test apparatus provided in an embodiment of the present invention. For simplicity, only those elements relevant to the subject matter herein are shown. The overall multi-functional millimeter wave antenna feeder test apparatus may have many other configurations and may use many other types of equipment. Referring to fig. 1 and 2, a multifunctional millimeter wave antenna feeder testing device includes a bottom plate 1 and a pair of pressing blocks 2, the bottom plate 1 is connected with the pair of pressing blocks 2 to fix a dielectric plate 6 integrated with a to-be-tested member between the bottom plate 1 and the pressing blocks 2; the dielectric board 6 integrated with the to-be-tested member may be a PCB board.
The bottom plate 1 comprises a plurality of waveguide through holes 3, and the plurality of waveguide through holes 3 are arranged at intervals; the waveguide through hole 3 penetrates through a first surface and a second surface of the bottom plate 1, and the first surface and the second surface are arranged oppositely; preferably, the plurality of waveguide through holes 3 are arranged collinearly. In a preferred embodiment, the plurality of waveguide through holes 3 are uniformly arranged along the length direction of the substrate 1. In an alternative, a plurality of waveguide through holes 3 are arranged along the length direction of the substrate 1, and the distances between adjacent waveguide through holes 3 are different.
Fig. 3 is a cross-sectional view of a testing apparatus according to an embodiment of the present invention, referring to fig. 3, a pressing block 2 includes a resonant cavity 4 and an output hole 5, the resonant cavity 4 is a cavity disposed in the pressing block 2, the resonant cavity 4 has an opening facing a first surface, the openings of the resonant cavity 4 and the waveguide through holes 3 are disposed in a one-to-one correspondence manner, the resonant cavity 4 is communicated with the output hole 5, and the output holes 5 of a pair of pressing blocks 2 are disposed opposite to each other.
The arrangement positions of the two pressing blocks 2 on the bottom plate 1 can be adjusted according to the length of the dielectric plate 6 integrated with the piece to be measured.
Fig. 4 is a top view of a testing apparatus according to an embodiment of the present invention, referring to fig. 4, the bottom plate 1 further includes a flange 12 (not shown in fig. 1 and fig. 2), the flange 12 is used for connecting an external connector, the flange 12 is disposed on the second surface, and the flange 12 is disposed coaxially with the waveguide through hole 3.
The multifunctional millimeter wave antenna feeder testing device further comprises a plurality of first limiting parts, the pressing block 2 is connected with the bottom plate 1 through the first limiting parts, and the first limiting parts are used for limiting the dielectric plate 6 integrated with the to-be-tested piece in the direction perpendicular to the first surface. In a specific example, the first limiting member includes a screw locking hole 7, a first positioning pin 8 and a locking screw 9, the screw locking hole 7 is disposed on the pressing block 2, the first positioning pin 8 is disposed on the bottom plate 1, and the screw locking hole 7 and the first positioning pin 8 are cooperatively connected through the locking screw 9 to press the pressing block 2 to the first surface.
In a specific example, the pressing pieces 2 are provided in a groove shape, the output holes 5 are provided inside the grooves of the pressing pieces 2, and both ends of the groove of one pressing piece 2 are disposed opposite to both ends of the groove of the other pressing piece 2. In addition, the pressing block 2 can be set to be in a shape of a long strip, an arc or the like which can realize a limiting function. It should be noted that the above description of the shape of the compact 2 is only used for illustrating the embodiments of the present invention, and should not be construed as limiting the scope of the embodiments of the present invention, and other shapes of the compact 2 may be applied herein according to actual needs.
In a specific example, the compact 2 has a symmetrical structure, and the resonant cavity 4 is provided in a middle region in the length direction of the compact 2. Alternatively, the resonant cavity 4 may also be arranged in other regions on the pressure piece 2.
The embodiment of the utility model also provides a multifunctional millimeter wave antenna feeder testing system which comprises the multifunctional millimeter wave antenna feeder testing device assembly provided by the embodiment, and the system can be used for testing microwave millimeter wave antenna feeders and high-frequency dielectric materials of various frequency bands and is flexible in construction mode.
Example 2
Fig. 5 is a top view of a test apparatus provided by another embodiment of the present invention, please refer to fig. 5, which is a multifunctional millimeter wave antenna feeder test apparatus including a bottom plate 1 and a pair of press blocks 2, wherein the bottom plate 1 is connected to the pair of press blocks 2 to fix a dielectric plate 6 integrated with a device under test between the bottom plate 1 and the press blocks 2;
the bottom plate 1 comprises a plurality of waveguide through holes 3, and the plurality of waveguide through holes 3 are arranged at intervals; the waveguide through hole 3 penetrates through a first surface and a second surface of the bottom plate 1, and the first surface and the second surface are arranged oppositely;
the pressing block 2 comprises a resonant cavity 4 and output holes 5, the resonant cavity 4 is a cavity arranged in the pressing block 2, the resonant cavity 4 is provided with an opening facing the first surface, the openings of the resonant cavity 4 and the waveguide through holes 3 are arranged in a one-to-one correspondence mode, the resonant cavity 4 is communicated with the output holes 5, and the output holes 5 of the pressing block 2 are arranged oppositely.
The bottom plate 1 further includes a flange 12 (not shown in fig. 5, please refer to fig. 4 for the position and structure of the flange 12), the flange 12 includes a plurality of through holes arranged in a circular ring shape, the flange 12 is used for being connected with an external part, the flange 12 is disposed on the second surface, and the flange 12 and the waveguide through hole 3 are coaxially disposed.
The multifunctional millimeter wave antenna feeder testing device further comprises a plurality of first limiting parts, the pressing block 2 is connected with the bottom plate 1 through the first limiting parts, and the first limiting parts are used for limiting the dielectric plate 6 integrated with the to-be-tested piece in the direction perpendicular to the first surface. In a specific example, the first limiting member includes a screw locking hole 7, a first positioning pin 8 and a locking screw 9, the screw locking hole 7 is disposed on the pressing block 2, the first positioning pin 8 is disposed on the bottom plate 1, and the screw locking hole 7 and the first positioning pin 8 are cooperatively connected through the locking screw 9 to press the pressing block 2 to the first surface.
The multifunctional millimeter wave antenna feeder testing device further comprises a plurality of second limiting pieces, and the second limiting pieces are used for limiting the dielectric plate 6 integrated with the piece to be tested in the plane where the first surface is located. In a specific example, the second limiting part includes a limiting hole 10 and a second positioning pin 11, the limiting hole 10 is disposed on the pressing block, the second positioning pin 11 protrudes out of the first surface of the bottom plate 1, the second positioning pin 11 is disposed in the placing area of the dielectric plate 6 integrated with the to-be-measured part, the plurality of second positioning pins 11 are arranged at intervals in a non-collinear manner, and the limiting hole 10 corresponds to the second positioning pin 11. For example, the testing device comprises 12 first positioning pins 8, 12 second positioning pins 11, 12 first positioning pins 8 are arranged in an array of 6 rows and 2 columns, 12 second positioning pins 11 are arranged in an array of 6 rows and 2 columns, the first positioning pins 8 and the second positioning pins 11 are aligned in the row direction and the column direction, the first positioning pins 8, the second positioning pins 11 and the waveguide through holes 3 are arranged on the bottom plate 1 in sequence from one side of the bottom plate 1 to the other side of the bottom plate 1, namely the first positioning pins 8, the second positioning pins 11, the waveguide through holes 3, the second positioning pins 11 and the first positioning pins 8 are arranged in sequence, namely the distance between the first positioning pins 8 and the waveguide through holes 3 is greater than the distance between the second positioning pins 11 and the waveguide through holes 3.
In a specific example, the pressing pieces 2 are provided in a groove shape, the output holes 5 are provided inside the grooves of the pressing pieces 2, and both ends of the groove of one pressing piece 2 are disposed opposite to both ends of the groove of the other pressing piece 2. In addition, the pressing block 2 can be set to be in a shape which can realize a limiting function, such as a long strip shape, a wave shape and the like. It should be noted that the above description of the shape of the compact 2 is only used for illustrating the embodiments of the present invention, and should not be construed as limiting the scope of the embodiments of the present invention, and other shapes of the compact 2 may be applied herein according to actual needs.
In a specific example, the compact 2 has a symmetrical structure, and the resonant cavity 4 is provided in a middle region in the length direction of the compact 2. Alternatively, the resonant cavity 4 may also be arranged in other regions on the pressure piece 2.
Fig. 6 is a top view of a transmission line tested by using a testing device according to an embodiment of the present invention, fig. 7 is a top view of an antenna tested by using a testing device according to an embodiment of the present invention, please refer to fig. 6 and 7, in practical application, a transmission line 13 and an antenna 14 are disposed on a dielectric plate 6, one end of the transmission line 13 and one end of the antenna 14 extend into an output hole 5 and are overlapped right above a waveguide through hole 3, excitation is transmitted from the waveguide through hole 3 and the dielectric plate 6 to a device to be tested, such as the transmission line 13, the antenna 14, a resonant ring, and the like, and then is output through the output hole 5.
The embodiment of the utility model also provides a multifunctional millimeter wave antenna feeder testing system which comprises the multifunctional millimeter wave antenna feeder testing device assembly provided by the embodiment, and the system can be used for testing microwave millimeter wave antenna feeders and high-frequency dielectric materials of various frequency bands and is flexible in construction mode.
According to the embodiments of the multifunctional millimeter wave antenna feeder testing device and the multifunctional millimeter wave antenna feeder testing system, the antenna, the feeder and the resonant ring waiting test pieces with different frequency bands can be tested, and the universality is extremely high; the device has the characteristics of simple operation, low test complexity and good stability, and is favorable for efficiently and quickly completing the test of the millimeter wave microstrip antenna, the millimeter wave feed network and the high-frequency dielectric material; the method has the characteristics of miniaturization, low cost, high test precision and repeatable operation, and provides a low-cost scheme for accurate test of the millimeter wave microstrip antenna, the millimeter wave feed network and the high-frequency dielectric material.
It should be noted that: the precedence order of the above embodiments of the present invention is only for description, and does not represent the merits of the embodiments. The present invention is not limited to the above-described preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
Claims (10)
1. The multifunctional millimeter wave antenna feeder testing device is characterized by comprising a bottom plate (1) and a pair of pressing blocks (2), wherein the bottom plate (1) is connected with the pair of pressing blocks (2);
the bottom plate (1) comprises a plurality of waveguide through holes (3), and the waveguide through holes (3) are arranged at intervals; the waveguide through hole (3) penetrates through a first surface and a second surface of the bottom plate (1), and the first surface and the second surface are arranged oppositely;
the pressing block (2) comprises a resonant cavity (4) and output holes (5), the resonant cavity (4) is a cavity arranged in the pressing block (2), the resonant cavity (4) is provided with an opening facing the first surface, the opening of the resonant cavity (4) and the waveguide through holes (3) are arranged in a one-to-one correspondence mode, the resonant cavity (4) is communicated with the output holes (5), and the output holes (5) of the pressing block (2) are arranged oppositely.
2. The multifunctional millimeter wave antenna feeder testing device according to claim 1, further comprising a plurality of first limiting members, wherein the pressing block (2) is connected with the bottom plate (1) through the first limiting members, and the first limiting members are used for limiting the dielectric plate (6) integrated with the to-be-tested member in a direction perpendicular to the first surface.
3. The multifunctional millimeter wave antenna feeder testing device according to claim 2, wherein the first limiting member comprises a screw locking hole (7), a first positioning pin (8) and a locking screw (9), the screw locking hole (7) is disposed on the pressing block (2), the first positioning pin (8) is disposed on the bottom plate (1), and the screw locking hole (7) and the first positioning pin (8) are in fit connection through the locking screw (9) to press the pressing block (2) to the first surface.
4. The multifunctional millimeter wave antenna feeder testing device according to claim 1, further comprising a plurality of second limiting members, wherein the second limiting members are used for limiting the dielectric plate (6) integrated with the to-be-tested member in the plane of the first surface.
5. The multifunctional millimeter wave antenna feeder testing device according to claim 4, wherein the second limiting member comprises a limiting hole (10) and a second positioning pin (11), the limiting hole is formed in the pressing block, the second positioning pin (11) protrudes out of the first surface of the bottom plate (1), the second positioning pin (11) is arranged in a placing area of a dielectric plate (6) integrated with a to-be-tested member, the second positioning pins (11) are arranged at intervals in a non-collinear manner, and the limiting hole (10) corresponds to the second positioning pin (11).
6. The multifunctional millimeter wave antenna feeder test device according to claim 5, wherein the distance between the first positioning pin (8) and the waveguide through hole (3) is greater than the distance between the second positioning pin (11) and the waveguide through hole (3).
7. The multifunctional millimeter wave antenna feeder test device according to claim 1, wherein the pressing block (2) is groove-shaped, and the output hole (5) is disposed inside the groove of the pressing block (2).
8. The multifunctional millimeter wave antenna feeder test device according to claim 1, wherein the resonant cavity (4) is provided in a middle region in a length direction of the pressure block (2).
9. The multifunctional millimeter wave antenna feeder testing device according to claim 1, wherein the bottom plate (1) further comprises a flange (12), the flange (12) is used for being connected with an external connector, the flange (12) is arranged on the second surface, and the flange (12) is arranged coaxially with the waveguide through hole (3).
10. A multifunctional millimeter wave antenna feeder test system, characterized by comprising a multifunctional millimeter wave antenna feeder test device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120493402.5U CN215415629U (en) | 2021-03-08 | 2021-03-08 | Multifunctional millimeter wave antenna feeder testing device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120493402.5U CN215415629U (en) | 2021-03-08 | 2021-03-08 | Multifunctional millimeter wave antenna feeder testing device and system |
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| Publication Number | Publication Date |
|---|---|
| CN215415629U true CN215415629U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120493402.5U Active CN215415629U (en) | 2021-03-08 | 2021-03-08 | Multifunctional millimeter wave antenna feeder testing device and system |
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| Country | Link |
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| CN (1) | CN215415629U (en) |
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- 2021-03-08 CN CN202120493402.5U patent/CN215415629U/en active Active
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