CN218956798U - Testing device and radar testing equipment - Google Patents
Testing device and radar testing equipment Download PDFInfo
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- CN218956798U CN218956798U CN202222826435.4U CN202222826435U CN218956798U CN 218956798 U CN218956798 U CN 218956798U CN 202222826435 U CN202222826435 U CN 202222826435U CN 218956798 U CN218956798 U CN 218956798U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
The utility model discloses a testing device, which comprises a base, wherein the base is provided with a plurality of test grooves; one end of the bracket is arranged on the base; the first driving piece is arranged at the other end of the bracket; the output end of the first driving piece is in driving connection with the mounting frame; and the plurality of radio frequency receivers are used for receiving electromagnetic waves in different frequency bands and are arranged on the mounting frame at intervals along the rotation direction of the output end. The utility model also discloses radar test equipment, which comprises a radar and the test device, wherein the test device is used for receiving electromagnetic waves emitted by the radar. The testing device and the radar testing equipment disclosed by the utility model can solve the problem that the existing different radar antenna radio frequency testing equipment cannot be replaced quickly.
Description
Technical Field
The utility model belongs to the technical field related to radar testing, and particularly relates to a testing device and radar testing equipment.
Background
The radar is through transmitting electromagnetic wave, receives the echo and realizes the detection to the target, in the radar field, the radar of different frequency ranges has different scene application respectively, in the research and development process of radar, it is essential to radar radio frequency test, so when carrying out different frequency ranges radar test in step, need use different radio frequency test equipment, traditional testing arrangement is all fixed on the test bench, need frequent switching and dismouting when the test, the stability and the accuracy of test equipment are greatly influenced in many times dismouting.
Accordingly, there is a need for improvements in the art that overcome the shortcomings of the prior art.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is that the radio frequency test equipment of different radar antennas cannot be replaced quickly.
In order to solve the technical problems, the utility model provides a testing device. The testing device comprises a base; one end of the bracket is arranged on the base; the first driving piece is arranged at the other end of the bracket; the output end of the first driving piece is in driving connection with the mounting frame; and the plurality of radio frequency receivers are used for receiving electromagnetic waves in different frequency bands and are arranged on the mounting frame at intervals along the rotation direction of the output end.
Optionally, the radio frequency receiver is a horn antenna, the testing device further comprises second driving parts which are arranged in one-to-one correspondence with the horn antenna, the second driving parts are arranged on the mounting frame, the output ends of the second driving parts are in driving connection with the horn antenna, and the second driving parts are used for driving the horn antenna to rotate.
Optionally, the feedhorn has at least a horizontal polarization position and a vertical polarization position, and the second driving member provides driving force for switching the feedhorn between the horizontal polarization position and the vertical polarization position.
Optionally, the mounting bracket is the cross mounting bracket that four support arms cooperation formed, and the radio frequency receiver is provided with four, and the one end of support arm is connected with the output drive of first driving piece, and the radio frequency receiver sets up on the other end of support arm.
Optionally, the first driving member is a rotating electrical machine; and/or the second driving member is a rotating electric machine.
Optionally, the testing device further includes a shielding plate, one end of the shielding plate is connected with the base, the other end of the shielding plate extends along the height direction of the support, the receiving end of the radio frequency receiver is arranged towards the shielding plate, a shielding area is formed between the shielding plate and the support, and the first driving piece drives the radio frequency receiver to enter or exit the shielding area.
Optionally, the plurality of radio frequency receivers are projected onto the shielding plate, and the radio frequency receivers projected on the outer side of the outer periphery of the shielding plate are used for receiving electromagnetic waves.
Optionally, the shielding plate is made of a wave absorbing material.
Optionally, the support comprises a supporting upright rod, one end of the supporting upright rod is connected with the base, and a first driving piece is arranged at the other end of the supporting upright rod.
The utility model provides radar test equipment, which comprises a radar and the test device, wherein the test device is used for receiving electromagnetic waves emitted by the radar.
The technical scheme provided by the utility model has the following advantages:
the utility model provides a testing device which comprises a base, a support, a first driving piece, a mounting frame and a plurality of radio frequency receivers, wherein one end of the support is arranged on the base, the first driving piece is arranged at the other end of the support, the output end of the first driving piece is in driving connection with the mounting frame, each radio frequency receiver is used for receiving electromagnetic waves in different frequency bands, and the plurality of radio frequency receivers are arranged on the mounting frame at intervals along the rotation direction of the output end.
According to the above, the plurality of radio frequency receivers have the function of receiving electromagnetic waves with different frequencies, and the plurality of radio frequency receivers are arranged on the mounting frame of the device, so that the position switching of the plurality of radio frequency receivers is realized under the driving action of the first driving piece, and the technical effect of high-efficiency and rapid switching of the radio frequency receivers is achieved; the testing device provided by the utility model has a plurality of radio frequency receivers, so that different radars can be tested, and the universality of use is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a testing device according to the present utility model;
FIG. 2 is a front view of a testing apparatus provided by the present utility model;
FIG. 3 is a schematic view of the mounting relationship between the mounting frame of the cleaning mechanism and the RF receiver according to the present utility model;
FIG. 4 is a schematic diagram illustrating the mounting relationship between the RF receiver and the second driving member of the cleaning assembly according to the present utility model;
fig. 5 is a schematic perspective view of a horn antenna according to the present utility model;
FIG. 6 is a schematic diagram of a feedhorn in a horizontally polarized position according to the present utility model;
fig. 7 is a schematic diagram of a feedhorn in a vertically polarized position according to the present utility model.
Reference numerals illustrate:
10. a base; 20. a bracket; 30. a mounting frame; 40. a first driving member; 50. a radio frequency receiver; 60. a second driving member; 70. a shielding plate; 80. the area is blocked.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. The utility model will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.
The utility model solves the problem that the existing radio frequency test equipment for different radar antennas cannot be replaced quickly.
Example 1
The embodiment provides a testing device, as shown in fig. 1 to 7, the testing device includes a base 10, a support 20, a first driving member 40, a mounting frame 30 and a plurality of radio frequency receivers 50, one end of the support 20 is mounted on the base 10, the first driving member 40 is mounted on the other end of the support 20, an output end of the first driving member 40 is in driving connection with the mounting frame 30, each radio frequency receiver 50 is used for receiving electromagnetic waves in different frequency bands, and the plurality of radio frequency receivers 50 are mounted on the mounting frame 30 at intervals along a rotation direction of the output end.
Specifically, the plurality of radio frequency receivers 50 have the function of receiving electromagnetic waves with different frequencies, and the plurality of radio frequency receivers 50 are installed on the installation frame 30 of the present application, so that under the driving action of the first driving piece 40, the position switching of the plurality of radio frequency receivers 50 is realized, and the technical effect of high-efficiency and rapid switching of the radio frequency receivers 50 is achieved; the testing device provided by the utility model has a plurality of radio frequency receivers 50, so that different radars can be tested, and the universality of use is improved.
Further, the base 10 of the present application has a technical effect of supporting installation, wherein the base 10 may be installed on the ground, or may be installed on other structural members, such as a wall, a cabinet, etc.
In this application, the first driving member 40 adopts a rotating motor, and drives the mounting frame 30 to rotate through a rotation shaft of the rotating motor, so as to further drive the plurality of radio frequency receivers 50 disposed on the mounting frame 30 to switch positions, and the plurality of radio frequency receivers 50 and the mounting frame 30 synchronously operate.
In this embodiment, the rf receivers 50 are disposed on the mounting frame 30 at equal intervals along the rotation direction of the output end, so that in the process of driving the mounting frame 30 to rotate by the output end of the first driving member 40, the plurality of rf receivers 50 can all rotate to the highest point, and when the rf receivers 50 rotate to the highest point, the rf receivers 50 can be disposed corresponding to the radar, so as to receive the electromagnetic waves emitted by the radar.
As shown in fig. 1, the stand 20 includes a support pole having one end connected to the base 10 and the other end provided with a first driving member 40.
Specifically, the bracket 20 has a rod-shaped structure so that a sufficient distance is provided between the first driving member 40 and the base 10, so that the base 10 does not affect the rotation of the mounting frame 30 when the driving of the first driving member 40 acts on the mounting frame 30, and collision is avoided.
Further, the support 20 is not limited to the above-mentioned structure for supporting the upright, but may be other structural members, such as a supporting plate, a supporting block, etc., in particular, the support may be realized to provide an installation position for the first driving member 40, and may be connected to the base 10.
As shown in fig. 1 to 3, the mounting frame 30 is a cross-shaped mounting frame formed by matching four support arms, the radio frequency receiver 50 is provided with four support arms, one end of each support arm is in driving connection with the output end of the first driving member 40, and the radio frequency receiver 50 is provided on the other end of each support arm.
Specifically, the four support arms of the cross-shaped mounting frame realize the mounting of the four radio frequency receivers 50, and when the first driving member 40 drives the cross-shaped mounting frame to rotate, the four support arms drive the radio frequency receivers 50 to perform position movement. The four support arms have the same length, so that when the electromagnetic wave needs to be received at a specific position, the four radio frequency receivers 50 can all rotate to the position under the driving of the first driving member 40.
Of course, the mounting frame 30 may be other structures, such as a disk-shaped mounting frame, and more rf receivers 50 may be mounted by using the disk-shaped mounting frame, and a plurality of rf receivers 50 may be disposed at intervals along the circumference of the disk-shaped mounting frame.
In this embodiment, the radio frequency receiver 50 is a horn antenna, as shown in fig. 1 to 7, the testing device further includes a second driving member 60 disposed in one-to-one correspondence with the horn antenna, the second driving member 60 is mounted on the mounting frame 30, an output end of the second driving member 60 is in driving connection with the horn antenna, and the second driving member 60 is used for driving the horn antenna to rotate.
Specifically, the second driving member 60 can drive the horn antenna to rotate, so as to realize the adjustment of the self-rotation of the horn antenna, so as to adjust the orientation of the opening area of the horn antenna, thereby adjusting the polarization mode, being capable of adapting to various scenes and improving the universality of the use of the horn antenna.
Further, the opening of the feedhorn may be circular or rectangular, wherein when the opening of the feedhorn is rectangular, the feedhorn has at least a horizontal polarization position and a vertical polarization position, and the second driving member 60 provides driving force for switching the feedhorn between the horizontal polarization position and the vertical polarization position. Adjusting the receiving area of the horn antenna is achieved by adjusting the position of the horn antenna.
Wherein, the second driving piece 60 drives the horn antenna to rotate, thereby realizing the adjustment of the opening position of the horn antenna to receive electromagnetic waves in a specific direction.
Further, the second driving member 60 is a rotary motor or a servo motor.
It should be noted that, the horn antenna is a microwave antenna with a circular or rectangular cross section, in which the waveguide terminal is gradually opened, and is one of the most widely used types. The radiation field is determined by the size of the mouth surface of the horn and the propagation type, wherein the influence of the horn wall on the radiation can be calculated by utilizing the principle of geometric diffraction. Horn antennas are a type of waveguide antenna that are used as directional antennas in radar testing.
In this embodiment, in the horn antenna position of the present utility model, the second driving member 60 can adjust the horn mouth orientation of the horn antenna body, and the horn mouth of the horn antenna can receive electromagnetic signals in a specific direction by rotating, so as to improve the signal receiving capability of the horn antenna; the position or the orientation of the whole device is automatically adjusted through a rotating motor or a servo motor, manual operation is not needed, and the device is practical and convenient; the utility model has the advantages of simple integral structure, convenient use, strong practicability and popularization and application.
As shown in fig. 1 to 7, the test device further includes a shielding plate 70, one end of the shielding plate 70 is connected to the base 10, the other end of the shielding plate 70 extends along the height direction of the support 20, the receiving end of the radio frequency receiver 50 is disposed toward the shielding plate 70, a shielding area 80 is formed between the shielding plate 70 and the support 20, and the first driver 40 drives the radio frequency receiver 50 into or out of the shielding area 80.
Wherein, when the radio frequency receiver 50 is used for receiving electromagnetic waves, for example, electromagnetic waves emitted by a radar, the shielding plate is located between the radio frequency receiver 50 and the radar.
Specifically, the shielding plate 70 is provided to rotate the radio frequency receiver 50 corresponding to the radar to the outside of the shielding area 80 under the driving action of the first driving member 40 in the process of testing the specific radar, and is provided corresponding to the radar to receive the electromagnetic wave emitted by the radar. By providing the shielding plate 70 to achieve a one-to-one arrangement of the radar and the radio frequency receiver 50, it is advantageous to enhance the detection accuracy.
Further, the shielding plate 70 is made of a wave absorbing material.
In the present embodiment, the plurality of rf receivers 50 are provided, the plurality of rf receivers 50 are projected onto the shielding plate 70, and the rf receivers 50 projected outside the outer periphery of the shielding plate 70 are used for receiving electromagnetic waves. When the radar needs to be tested, the rf receiver 50 corresponding to the radar is rotationally projected at a position outside the outer periphery of the shielding plate 70, that is, outside the shielding region 80, and the projections of the other rf receivers 50 are located inside the outer periphery of the shielding plate 70, that is, inside the shielding region 80.
Of course, the rf receiver 50 located outside the outer periphery of the shielding plate 70 may be located on one side of the shielding plate 70 or may be located above the shielding plate 70. The setting position can be adjusted adaptively according to the position set by the radar.
Example 2
The present embodiment provides a radar test apparatus including a radar and the test device of embodiment 1, the radio frequency receiver 50 of the test device being configured to receive electromagnetic waves emitted by the radar.
In this embodiment, when testing different radars, the first driving element 40 adjusts the corresponding rf receiver 50 to rotate to a position opposite to the radar, so as to implement that the rf receiver 50 receives electromagnetic waves emitted by the radar.
From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:
1. the plurality of radio frequency receivers 50 have the function of receiving electromagnetic waves with different frequencies, and the plurality of radio frequency receivers 50 are arranged on the mounting frame 30 so as to realize the position switching of the plurality of radio frequency receivers 50 under the driving action of the first driving piece 40, thereby achieving the technical effect of high-efficiency and rapid switching of the radio frequency receivers 50;
2. the second driving piece 60 is arranged to adjust the opening of the radio frequency receiver 50 so as to correspondingly receive electromagnetic waves in a specific direction, so that manual operation is not needed, and the radio frequency receiver is practical and convenient; the whole structure is simple, the use is convenient, the practicability is strong, and the device can be popularized and used;
3. the testing device provided by the utility model has a plurality of radio frequency receivers 50, so that different radars can be tested, and the universality of use is improved.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. Based on the embodiments of the present utility model, those skilled in the art may make other different changes or modifications without making any creative effort, which shall fall within the protection scope of the present utility model.
Claims (10)
1. A test device, comprising:
a base (10);
a bracket (20), one end of the bracket (20) is arranged on the base (10);
a first driving member (40), the first driving member (40) being mounted on the other end of the bracket (20);
the output end of the first driving piece (40) is in driving connection with the mounting frame (30);
and the plurality of radio frequency receivers (50), each radio frequency receiver (50) is used for receiving electromagnetic waves of different frequency bands, and the plurality of radio frequency receivers (50) are arranged on the mounting frame (30) at intervals along the rotation direction of the output end.
2. The test device according to claim 1, wherein the radio frequency receiver (50) is a horn antenna, the test device further comprises second driving members (60) arranged in one-to-one correspondence with the horn antenna, the second driving members (60) are mounted on the mounting frame (30), an output end of each second driving member (60) is in driving connection with the horn antenna, and the second driving members (60) are used for driving the horn antenna to rotate.
3. The test device according to claim 2, wherein the feedhorn has at least a horizontal polarization position and a vertical polarization position, the second driver (60) providing a driving force for switching the feedhorn between the horizontal polarization position and the vertical polarization position.
4. The test device according to claim 1, wherein the mounting frame (30) is a cross-shaped mounting frame formed by matching four support arms, the number of the radio frequency receivers (50) is four, one end of each support arm is in driving connection with the output end of the first driving member (40), and the radio frequency receivers (50) are arranged on the other end of each support arm.
5. The test device according to claim 2, wherein,
the first driving piece (40) is a rotating motor; and/or
The second driving member (60) is a rotary motor.
6. The test device according to any one of claims 1 to 5, further comprising a shielding plate (70), one end of the shielding plate (70) being connected to the base (10), the other end of the shielding plate (70) extending in the height direction of the stand (20), the receiving end of the radio frequency receiver (50) being disposed toward the shielding plate (70), a shielding region (80) being formed between the shielding plate (70) and the stand (20), the first driving member (40) driving the radio frequency receiver (50) into or out of the shielding region (80).
7. The test device according to claim 6, wherein the radio frequency receivers (50) are plural, the plural radio frequency receivers (50) are orthographically projected onto the shielding plate (70), and the radio frequency receivers (50) projected outside an outer periphery of the shielding plate (70) are for receiving the electromagnetic waves.
8. The test device according to claim 7, wherein the shielding plate (70) is made of a wave absorbing material.
9. A testing device according to any one of claims 1 to 5, wherein the support (20) comprises a supporting upright, one end of which is connected to the base (10), and the other end of which is provided with the first driving member (40).
10. A radar test apparatus, characterized in that the radar test apparatus comprises:
a radar;
the test device of any one of claims 1 to 9, a radio frequency receiver (50) of the test device being adapted to receive electromagnetic waves emitted by the radar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222826435.4U CN218956798U (en) | 2022-10-25 | 2022-10-25 | Testing device and radar testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222826435.4U CN218956798U (en) | 2022-10-25 | 2022-10-25 | Testing device and radar testing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218956798U true CN218956798U (en) | 2023-05-02 |
Family
ID=86107186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222826435.4U Active CN218956798U (en) | 2022-10-25 | 2022-10-25 | Testing device and radar testing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218956798U (en) |
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2022
- 2022-10-25 CN CN202222826435.4U patent/CN218956798U/en active Active
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