CN215726712U - Device for detecting influence of lens on feed source performance - Google Patents
Device for detecting influence of lens on feed source performance Download PDFInfo
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- CN215726712U CN215726712U CN202122389342.5U CN202122389342U CN215726712U CN 215726712 U CN215726712 U CN 215726712U CN 202122389342 U CN202122389342 U CN 202122389342U CN 215726712 U CN215726712 U CN 215726712U
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- 238000013461 design Methods 0.000 abstract description 9
- 238000002955 isolation Methods 0.000 description 14
- 238000007689 inspection Methods 0.000 description 9
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- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model relates to a device for detecting the influence of a lens on the performance of a feed source, which is characterized by comprising a transmitting feed source, a rotary table and a network analyzer; the rotary table is provided with a rotatable lens placing position, and the rotation axis of the lens placing position is a first axis; the transmitting feed source is positioned beside the lens placing position of the rotary table, the signal receiving and transmitting direction of the transmitting feed source is a second axis, and the second axis is intersected with the first axis; the network analyzer is electrically connected with the transmitting feed source. The utility model has the characteristics of simple structure, reasonable design, convenient use, capability of inspecting the produced electromagnetic wave lens, capability of preventing unqualified products from flowing into the market for sale and the like.
Description
Technical Field
The utility model relates to the technical field of communication detection equipment, in particular to a device for detecting the influence of a lens on the feed source performance.
Background
The dielectric constant of the electromagnetic wave lens from the inner center to the outer surface should be continuously changed from 2 to 1 according to a certain mathematical rule. However, such an ideal structure does not exist in nature, and therefore, a layered, dielectric constant-graded structure is often used in an actual design to approach a theoretical structure. The existing manufacturers generally only model the electromagnetic wave lens model on a computer according to the designed production method, and then perform simulation on the computer to obtain the use effect of the electromagnetic wave lens, but because of the uncertainty of manual production and the randomness of the distribution of medium particles in the production process, the electromagnetic wave lens after production is likely to have a large difference with the simulated data when in use. Therefore, it is necessary to design a special quality inspection apparatus for the electromagnetic wave lens to perform the pre-factory inspection of the produced electromagnetic wave lens, so as to prevent the defective products from entering the market and prevent the reputation of the manufacturer from being damaged.
SUMMERY OF THE UTILITY MODEL
The device for detecting the influence of the lens on the feed source performance has the advantages of simple structure, reasonable design, convenience in use, capability of detecting the produced electromagnetic wave lens, capability of preventing unqualified products from flowing into the market for sale and the like.
The technical scheme of the utility model is realized as follows: a device for detecting the influence of a lens on the feed source performance is characterized by comprising a transmitting feed source, a rotary table and a network analyzer; the rotary table is provided with a rotatable lens placing position, and the rotation axis of the lens placing position is a first axis; the transmitting feed source is positioned beside the lens placing position of the rotary table, the signal receiving and transmitting direction of the transmitting feed source is a second axis, and the second axis is intersected with the first axis; the network analyzer is electrically connected with the transmitting feed source.
By adopting the technical scheme, the test method in use is as follows: 1) the transmitting feed source is started, so that the network analyzer can test the standing wave ratio and the isolation of the feed source voltage when no electromagnetic wave lens is arranged on the rotary table, the network analyzer can be connected with a computer, the data of the network analyzer is stored by the computer, and the computer can analyze the data of the network analyzer by special test software; 2) placing an electromagnetic wave lens on a lens placing position of the rotary table, and adjusting to enable the spherical center of the spherical electromagnetic wave lens to be positioned at the intersection point of the first axis and the second axis, wherein the network analyzer tests the standing wave ratio and the isolation degree of the feed source voltage when the electromagnetic wave lens is placed on the rotary table; 3) the lens placing position of the rotary table rotates to enable the electromagnetic wave lens to rotate around a first axis, the network analyzer can obtain a plurality of voltage standing wave ratio and isolation data of the transmitting feed source in the rotation process of the electromagnetic wave lens along with the rotation of the electromagnetic wave lens, and the computer stores the data such as the maximum value, the minimum value and the average value in the voltage standing wave ratio and isolation data; 4) manually rotating the electromagnetic wave lens to enable the electromagnetic wave lens to rotate by an angle A around a third axis, wherein the third axis is vertically intersected with the first axis and the second axis simultaneously; 5) and sequentially repeating the step 3) and the step 4) until the electromagnetic wave lens rotates 180 degrees in a single direction or rotates 90 degrees in two directions around the third axis. After the test of the steps, if the feed source voltage standing wave ratio after the electromagnetic wave lens is placed is closer to the feed source voltage standing wave ratio when the electromagnetic wave lens is not placed, and the feed source isolation degree after the electromagnetic wave lens is placed is larger than the feed source isolation degree when the electromagnetic wave lens is not placed, the better the use effect of the electromagnetic wave lens is; in addition, whether the influence of each position of the electromagnetic wave lens on the voltage standing wave ratio and the isolation of the transmitting feed source is consistent or not can be known, whether the electromagnetic wave lens is in a standard or not can be known, whether the inspected electromagnetic wave lens is qualified or not can be determined, and the phenomenon that a manufacturer flows defective products into the market is avoided.
Furthermore, the utility model also comprises a rotating mechanism for driving the lens to rotate, wherein the rotating mechanism is arranged beside the turntable, a rotating part for driving the lens to rotate is arranged on the rotating mechanism, the rotating axis of the rotating part is a third axis, and the third axis is vertically intersected with the first axis and the second axis simultaneously.
The utility model further comprises a main control module, wherein a first driver for driving the lens placing position to rotate is arranged in the rotary table, a second driver for driving the rotating part to rotate is arranged on the rotating mechanism, and the first driver and the second driver are both electrically connected with the main control module.
Furthermore, the utility model also comprises a closed space body, wherein the transmitting feed source and the turntable are arranged in the closed space body, and wave-absorbing material layers are uniformly distributed on the inner wall surfaces of the closed space body.
Furthermore, the surface of the wave-absorbing material layer facing the inside of the closed space body is fully distributed with raised sound-absorbing structures.
The utility model has the beneficial effects that: the electromagnetic wave lens inspection device has the advantages of simple structure, reasonable design, convenience in use, capability of inspecting the produced electromagnetic wave lens and capability of preventing unqualified products from flowing into the market for sale and the like.
The utility model also provides another device for detecting the influence of the lens on the feed source performance, and the device for detecting the influence of the lens on the feed source performance has the advantages of simple structure, reasonable design, convenience in use, capability of detecting the produced electromagnetic wave lens, capability of preventing unqualified products from flowing into the market for sale and the like.
The technical scheme of the device for detecting the influence of the lens on the feed source performance is realized as follows: a device for detecting the influence of lens on the feed source performance is characterized in that a third-order intermodulation instrument is used to replace a network analyzer in the scheme.
The testing steps of the technical scheme are the same as those of the previous scheme, only the testing items are different, in the use test, the third-order intermodulation testing data of the transmitting feed source can be tested through the third-order intermodulation instrument, the third-order intermodulation testing data are stored through the computer, and when the electromagnetic wave lens rotates, the computer also stores the data such as the maximum value, the minimum value, the average value and the like in the plurality of third-order intermodulation testing data obtained by the third-order intermodulation instrument. After the electromagnetic wave lens is tested, if the third-order intermodulation test data of the transmitting feed source after the electromagnetic wave lens is placed is closer to the third-order intermodulation test data of the transmitting feed source when the electromagnetic wave lens is not placed, the better the using effect of the electromagnetic wave lens is shown; in addition, whether the influence of each position of the electromagnetic wave lens on the third-order intermodulation test data of the transmitting feed source is consistent or not can be known, whether the electromagnetic wave lens is in a standard or not can be known, whether the inspected electromagnetic wave lens is qualified or not can be determined, and the condition that a manufacturer flows defective products into the market is avoided.
The device for detecting the influence of the lens on the feed source performance has the technical effects that: the electromagnetic wave lens inspection device has the advantages of simple structure, reasonable design, convenience in use, capability of inspecting the produced electromagnetic wave lens and capability of preventing unqualified products from flowing into the market for sale and the like.
Drawings
Fig. 1 is a schematic structural view of example 1 in a state where a closed space is cut away.
FIG. 2 is a schematic view of the sealed space body removed in example 1.
Description of reference numerals: 1-a transmission feed source; 2-a turntable; 3-a first axis; 4-second axis; 5-a third axis; 6-a closed space body; 7-wave absorbing material layer; 8-door panel; 9-a mounting seat; 91-arc slide rail; 10-a slide base; 20-a metal can; 30-electromagnetic wave lens.
Detailed Description
Example 1
As shown in fig. 1 and fig. 2, the apparatus for inspecting influence of a lens on feed performance of the present embodiment includes a transmission feed 1, a turntable 2 and a network analyzer (the network analyzer is not shown in the drawings); the turntable 2 is provided with a rotatable lens placing position, and the rotation axis of the lens placing position is a first axis 3; the transmitting feed source 1 is positioned beside the lens placing position of the rotary table 2, the signal receiving and transmitting direction of the transmitting feed source 1 is a second axis 4, and the second axis 4 is coplanar and intersected with the first axis 3; the network analyzer is electrically connected with the transmitting feed source 1. The method for testing the influence of the lens on the feed source performance in use is as follows: 1) the transmitting feed source 1 is started to enable the network analyzer to test the standing wave ratio and the isolation of the feed source voltage when the electromagnetic wave lens 30 is not arranged on the rotary table 2, the network analyzer can be connected with a computer, data of the network analyzer is stored through the computer, and the computer can analyze the data of the network analyzer through special test software; 2) placing an electromagnetic wave lens 30 on a lens placing position of the rotary table 2, and adjusting to enable the spherical center of the spherical electromagnetic wave lens 30 to be positioned at the intersection point of the first axis 3 and the second axis 4, wherein the network analyzer tests the standing wave ratio and the isolation of the feed source voltage when the electromagnetic wave lens 30 is placed on the rotary table 2; 3) the lens placing position of the rotary table 2 rotates to enable the electromagnetic wave lens 30 to rotate around the first axis 3, the rotary table 2 drives the electromagnetic wave lens 30 to rotate 180 degrees or rotate 90 degrees in two directions around the first axis 3 in a single direction, the network analyzer can obtain a plurality of voltage standing wave ratio and isolation data of the transmitting feed source 1 in the rotation process of the electromagnetic wave lens 30 along with the rotation of the electromagnetic wave lens 30, and the computer stores the data such as the maximum value, the minimum value and the average value in the voltage standing wave ratio and isolation data; 4) rotating the electromagnetic wave lens 30 to rotate the electromagnetic wave lens 30 by an angle a, which may be 10 °, around the third axis 5, wherein the angle a is preferably 5 ° for testing more accurate angle a, and the third axis 5 is perpendicularly intersected with the first axis 3 and the second axis 4 at the same time; 5) and sequentially repeating the step 3) and the step 4) until the electromagnetic wave lens 30 rotates 180 degrees in a single direction or rotates 90 degrees in two directions around the third axis 5. After the test of the steps, if the feed source voltage standing wave ratio after the electromagnetic wave lens 30 is placed is closer to the feed source voltage standing wave ratio when the electromagnetic wave lens 30 is not placed, and the feed source isolation degree after the electromagnetic wave lens 30 is placed is larger than the feed source isolation degree when the electromagnetic wave lens 30 is not placed, the better the use effect of the electromagnetic wave lens 30 is; in addition, whether the influence of each position of the electromagnetic wave lens 30 on the voltage standing wave ratio and the isolation of the transmitting feed source 1 is consistent or not can be known, whether the electromagnetic wave lens 30 is in a standard or not can be known, whether the electromagnetic wave lens 30 to be tested is qualified or not can be determined, and the phenomenon that a manufacturer flows defective products into the market is avoided.
In order to make the operation of the device for detecting the influence of the lens on the feed source performance more convenient, the device for detecting the influence of the lens on the feed source performance further comprises a rotating mechanism (the rotating mechanism is not shown in the attached drawing) for driving the lens to rotate, the rotating mechanism is arranged beside the turntable 2, a rotating part for driving the lens to rotate is arranged on the rotating mechanism, the rotating axis of the rotating part is a third axis 5, the third axis 5 is vertically intersected with the first axis 3 and the second axis 4 at the same time, and the third axis 5 can also be vertical to the plane formed by the first axis 3 and the second axis 4. By arranging the rotating mechanism, the rotation action of the electromagnetic wave lens 30 around the third axis 5 can be controlled automatically in the use process, so that the error caused by manually rotating the electromagnetic wave lens 30 is reduced, and the labor intensity of workers is reduced.
In order to realize automatic detection for the device for detecting the influence of the lens on the feed source performance and further reduce the manual operation and control steps, the device for detecting the influence of the lens on the feed source performance further comprises a main control module, a first driver for driving the lens to rotate is arranged in the rotary table 2, a second driver for driving the rotation of the rotation part is arranged on the rotation mechanism, and the first driver and the second driver are electrically connected with the main control module (the main control module, the first driver and the second driver are not shown in the attached drawing). By the design, the first driver and the second driver can be controlled by the program arranged in the main control module in the using process, so that the whole inspection process is simpler, and the inspection efficiency is further improved.
In order to further improve the inspection accuracy and reduce the interference of external electromagnetic waves on the inspection result, as shown in fig. 1, the device for inspecting the influence of the lens on the feed source performance further comprises a closed space body 6, the transmitting feed source 1 and the turntable 2 are both arranged in the closed space body 6, and wave-absorbing material layers 7 are uniformly distributed on the inner wall surfaces of the closed space body 6 (the wave-absorbing material layers 7 on the positive inner wall surfaces of the closed space body 6 in fig. 1 are not shown). The surface of the wave-absorbing material layer 7 facing the inside of the closed space body 6 is fully distributed with raised sound-absorbing structures.
In order to make the structure of the device for detecting the influence of the lens on the feed source performance more reasonable and the use more convenient, as shown in fig. 1, a lens placing inlet is arranged on the surface of the closed space body 6 opposite to the lens placing position of the turntable 2, and a door plate 8 is arranged on the lens placing inlet. In the using process, when the electromagnetic wave lens 30 to be inspected needs to be replaced, the door plate 8 is opened and then the electromagnetic wave lens 30 is placed on the turntable 2 in the closed space body 6.
In order to make the structure of the device for detecting the influence of the lens on the feed source performance more reasonable and further improve the detection efficiency, as shown in fig. 1 and fig. 2, the device for detecting the influence of the lens on the feed source performance further comprises a mounting seat 9, wherein the mounting seat 9 is arranged beside the turntable 2, the mounting seat 9 is also arranged in the closed space body 6, at least 2 transmitting feed sources 1 are arranged on the mounting seat 9, and the transmitting feed sources 1 are arranged along an arc with a circle center positioned on the intersection point of the second axis 4 and the first axis 3.
In order to adjust the position of the transmitting feed source 1 conveniently, as shown in fig. 1 and fig. 2, an arc-shaped slide rail 91 is arranged on the mounting base 9, and the transmitting feed source 1 is mounted on the arc-shaped slide rail 91 through a slide base 10. In the actual use process, after the position of the transmitting feed source 1 is adjusted, the sliding base 10 and the arc-shaped sliding rail 91 can be fixed through bolts.
In order to further reduce the interference of the external environment on the transmission feed source 1 and further improve the accuracy of the inspection, as shown in fig. 1 and fig. 2, the transmission feed source 1 is located in a metal box body 20 having an opening, and the opening of the metal box body 20 is arranged towards the direction of the intersection point where the first axis 3 and the second axis 4 intersect.
Example 2
The present embodiment is different from embodiment 1 in that: this example replaces the network tester described in example 1 with a third order intermodulation meter (this example is not shown in the figure). The testing steps of this embodiment are the same as those in embodiment 1, but the testing results are different, in the using process of this embodiment, the third-order intermodulation test data of the transmitting feed source can be tested by the third-order intermodulation instrument, the third-order intermodulation test data is stored by the computer, and when the electromagnetic wave lens rotates, the computer also stores the data such as the maximum value, the minimum value and the average value in the plurality of third-order intermodulation test data obtained by the third-order intermodulation instrument, such design shows that the using effect of the electromagnetic wave lens is better if the third-order intermodulation test data of the transmitting feed source after placing the electromagnetic wave lens is closer to the third-order intermodulation test data of the transmitting feed source without placing the electromagnetic wave lens after testing; in addition, whether the influence of each position of the electromagnetic wave lens on the third-order intermodulation test data of the transmitting feed source is consistent or not can be known, whether the electromagnetic wave lens is in a standard or not can be known, whether the inspected electromagnetic wave lens is qualified or not can be determined, and the condition that a manufacturer flows defective products into the market is avoided.
Claims (10)
1. An apparatus for testing the effect of a lens on feed performance, comprising: the device comprises a transmitting feed source, a rotary table and a network analyzer; the rotary table is provided with a rotatable lens placing position, and the rotation axis of the lens placing position is a first axis; the transmitting feed source is positioned beside the lens placing position of the rotary table, the signal receiving and transmitting direction of the transmitting feed source is a second axis, and the second axis is intersected with the first axis; the network analyzer is electrically connected with the transmitting feed source.
2. The apparatus of claim 1, wherein the means for testing the effect of the lens on the feed performance comprises: the rotating mechanism is arranged beside the turntable and is provided with a rotating part for driving the lens to rotate, the rotating axis of the rotating part is a third axis, and the third axis is vertically intersected with the first axis and the second axis.
3. An apparatus for testing the impact of a lens on feed performance as claimed in claim 2, wherein: still include host system, be equipped with in the revolving stage and be used for driving lens and lay a position pivoted first driver, slewing mechanism is last to be equipped with and to be used for driving rotation portion pivoted second driver, first driver, second driver all with host system electric connection.
4. The apparatus of claim 1, wherein the means for testing the effect of the lens on the feed performance comprises: the transmitting feed source and the rotary table are arranged in the closed space body, and wave-absorbing material layers are uniformly distributed on the inner wall surfaces of the closed space body.
5. The apparatus of claim 4, wherein the lens is configured to test the effect on feed performance: the surface of the wave-absorbing material layer facing the inside of the closed space body is fully distributed with raised sound-absorbing structures.
6. The apparatus of claim 4, wherein the lens is configured to test the effect on feed performance: the closed space body is provided with a lens placing inlet on the surface opposite to the lens placing position of the turntable, and a door plate is arranged on the lens placing inlet.
7. The apparatus of claim 1, wherein the means for testing the effect of the lens on the feed performance comprises: the rotary table further comprises a mounting seat, the mounting seat is located beside the rotary table, at least 2 transmitting feed sources are mounted on the mounting seat, and the transmitting feed sources are arranged along an arc with a circle center located on a crossing point of the second axis and the first axis.
8. An apparatus for testing the impact of a lens on feed performance as claimed in claim 7, wherein: an arc-shaped sliding rail is arranged on the mounting seat, and the transmitting feed source is arranged on the arc-shaped sliding rail through a sliding seat.
9. The apparatus of claim 1, wherein the means for testing the effect of the lens on the feed performance comprises: the transmitting feed source is positioned in a metal box body with an opening, and the opening of the metal box body is arranged towards the direction of the intersection point of the first axis and the second axis.
10. An apparatus for testing the effect of a lens on feed performance, comprising: replacing the network analyzer in the apparatus for examining the effect of a lens on feed performance of any of claims 1 to 9 with a third order intermodulation meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122389342.5U CN215726712U (en) | 2021-09-30 | 2021-09-30 | Device for detecting influence of lens on feed source performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122389342.5U CN215726712U (en) | 2021-09-30 | 2021-09-30 | Device for detecting influence of lens on feed source performance |
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| Publication Number | Publication Date |
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| CN215726712U true CN215726712U (en) | 2022-02-01 |
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| CN202122389342.5U Active CN215726712U (en) | 2021-09-30 | 2021-09-30 | Device for detecting influence of lens on feed source performance |
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2021
- 2021-09-30 CN CN202122389342.5U patent/CN215726712U/en active Active
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