CN213817797U - Near-field radiation detection equipment for base station antenna - Google Patents
Near-field radiation detection equipment for base station antenna Download PDFInfo
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- CN213817797U CN213817797U CN202022756456.4U CN202022756456U CN213817797U CN 213817797 U CN213817797 U CN 213817797U CN 202022756456 U CN202022756456 U CN 202022756456U CN 213817797 U CN213817797 U CN 213817797U
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- station antenna
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Abstract
The utility model discloses a base station antenna near field radiation check out test set, include: a test platform; a vector network analyzer; a radio frequency matrix switch; the first sliding table plate is arranged on the test platform; the linear guide rail is arranged on the test platform; the second sliding table plate is movably arranged on the linear guide rail and is matched with the first sliding table plate to bear the base station antenna; the amplitude-phase testing device is arranged on the testing platform for the first sliding table plate; the amplitude and phase testing device comprises a probe and a displacement device for driving the probe to move along the directions of x, y and z axes; the probe is connected with the receiving end of the radio frequency matrix switch through the receiving cable, and the output end of the radio frequency matrix switch is connected with the receiving end of the vector network analyzer. The utility model has reasonable and ingenious design, and converts the directional diagram index through the algorithm, thereby achieving the effect of simulating the directional diagram test and overcoming the detection before sealing glue; the problems that the existing equipment needs to be calibrated again after moving, the antenna is difficult to position, and the mobility of the equipment is poor are solved.
Description
Technical Field
The utility model relates to an antenna detects technical field, concretely relates to base station antenna near field radiation check out test set.
Background
In the existing manufacturing industry, most of radio frequency antenna performance tests are only monitored according to indexes such as VSWR (voltage source distortion), ISO (international standard deviation), but the problems of wrong cable length, reverse connection of same-frequency multi-path cables, cold welding of branch cold welding and the like cannot be completely detected and controlled in VSWR and ISO indexes, the test operation of a direction diagram is inconvenient, time and labor are consumed, and therefore amplitude-phase parameters of an antenna need to be tested by adopting amplitude-phase detection equipment; nevertheless this application utility model people in the in-process of realizing utility model technical scheme in this application embodiment, discover that above-mentioned technique has following technical problem at least:
in the traditional amplitude-phase detection equipment, a motion control cabinet, an XYZ motion probe, a drag chain and a line body are separated, the equipment needs to be calibrated again after moving, the antenna is difficult to position, and the mobility of the equipment is poor; in addition, the traditional amplitude and phase detection equipment is difficult to adapt to antenna products with different width sizes, so that the antenna production, manufacturing and testing cost is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention has been made in order to provide a base station antenna near field radiation detection apparatus that overcomes or at least partially solves the above problems.
An aspect of the utility model provides a base station antenna near field radiation check out test set, include:
a test platform;
a vector network analyzer;
a radio frequency matrix switch;
the first sliding table plate is arranged on the test platform;
the linear guide rail is arranged on the test platform;
the second sliding table plate is movably arranged on the linear guide rail and is matched with the first sliding table plate to bear a base station antenna;
the amplitude-phase testing device is arranged on the testing platform for the first sliding table plate;
the amplitude and phase testing device comprises a probe and a displacement device for driving the probe to move along the directions of x, y and z axes;
the probe is connected with the receiving end of the radio frequency matrix switch through a receiving cable, and the output end of the radio frequency matrix switch is connected with the receiving end of the vector network analyzer.
Preferably, the first slide plate and the second slide plate are respectively provided with a first positioning block and a second positioning block.
Preferably, the first positioning block and the second positioning block are both L-shaped positioning blocks.
Preferably, a positioning block adjusting groove is formed in the upper end face and the lower end face of the first sliding table plate in a penetrating mode along the y-axis direction;
the second positioning block is arranged on the first sliding table plate through the positioning block adjusting groove.
Preferably, a plurality of third sliding plate plates for supporting the base station antenna are movably mounted on the linear guide rail.
Preferably, it further comprises:
and the bar code identification device is arranged on the test platform and used for identifying the bar code on the base station antenna.
Preferably, the base station antenna near-field radiation detection device further comprises;
a Z-direction moving guide rail;
and the darkroom cover is telescopically arranged on the Z-direction moving guide rail.
Preferably, the sliding table further comprises a belt transmission mechanism for driving the second sliding table plate to move.
Preferably, the base station antenna near-field radiation detection apparatus further includes:
and the cable plugging mechanism is used for plugging an output cable led out by the radio frequency matrix switch to a cable connecting end of the base station antenna.
Preferably, the cable plugging mechanism comprises:
the sliding table module is arranged on one side of the first sliding table plate;
and the cable clamping assembly is movably arranged on the sliding table module.
The utility model has the advantages that: the utility model has reasonable and ingenious design, and converts the directional diagram index through the algorithm, thereby achieving the effect of simulating the directional diagram test and overcoming the detection before sealing glue; the first sliding table plate is arranged on the test platform, and the amplitude-phase test device is arranged on the test platform for the first sliding table plate, so that the first sliding table plate and the amplitude-phase test device are integrated, the relative positions are fixed, and the calibration origin is not changed after the first sliding table plate and the amplitude-phase test device are moved, thereby solving the problems that the existing equipment needs to be re-calibrated after being moved, the antenna is difficult to position, and the equipment is poor in mobility; in addition, the position of the second positioning block on the linear guide rail is adjusted, the application range of the detection device is expanded, and the problems that the traditional amplitude-phase detection device is difficult to adapt to antenna products with different width sizes, and the antenna production and manufacturing test cost is high are solved.
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Drawings
Fig. 1 is a perspective view of a near-field radiation detection device of a base station antenna in an embodiment of the present invention;
fig. 2 is a connection diagram of the near field radiation detection device of the base station antenna in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of the first slide plate, the linear guide rail and the second slide plate in the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a cable plugging mechanism in an embodiment of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.
In an embodiment, referring to fig. 1 to 4, a base station antenna near-field radiation detection apparatus provided in this embodiment includes:
a test platform 1;
a vector network analyzer 2;
a radio frequency matrix switch 3;
the first sliding table plate 4 is arranged on the test platform 1;
the linear guide rail 5 is arranged on the test platform 1;
the second sliding table plate 6 is movably arranged on the linear guide rail 5 and is matched with the first sliding table plate 4 to bear a base station antenna;
a width-phase testing device 7 provided on the test platform 1 with respect to the first platen 4;
the amplitude and phase testing device 7 comprises a probe 71 and a displacement device 72 for driving the probe 71 to move along the directions of x, y and z axes;
the probe 71 is connected with the receiving end of the radio frequency matrix switch 3 through a receiving cable, and the output end of the radio frequency matrix switch 3 is connected with the receiving end of the vector network analyzer 2.
Specifically, the vector network analyzer 2 is configured to transmit and receive signals, and is configured to perform index value analysis on the signals; the radio frequency matrix switch 3 is switched by software, so that multi-port automatic switching detection is realized; the displacement device 72, the radio frequency matrix switch 3 and the vector network analyzer 2 are all connected and communicated with a program-controlled computer 8.
That is to say, the test principle of the near-field radiation detection device for the base station antenna is that when the first slide plate 4 and the second slide plate 6 bear and position the test platform 1, the displacement device 72 drives the probe 71 to move, a series of oscillator parameters at corresponding positions are detected, phase parameters are obtained, returned data are converted into directional diagram indexes in a network analyzer through an algorithm, and therefore the effect of simulating directional diagram test is achieved, and detection before glue sealing is overcome. For antenna products needing multi-port switching detection, the radio frequency matrix switch 3 is combined to realize the detection; for antenna products with different dimensions, the antenna can be adapted by adjusting the position of the second sliding table plate 6 on the linear guide rail 5, so that the problem that the traditional amplitude-phase detection equipment is difficult to adapt to antenna products with different width dimensions, and the antenna production and manufacturing test cost is high is solved. The amplitude-phase parameter comprises amplitude and phase, the unit of the amplitude is db, and the unit of the phase is degree.
The first sliding table plate 4 is arranged on the test platform 1, and the amplitude-phase test device 7 is arranged on the test platform 1 relative to the first sliding table plate 4, so that the first sliding table plate 4 and the amplitude-phase test device 7 are integrated, the relative position is fixed, and the calibration origin is not changed after the first sliding table plate and the amplitude-phase test device are moved, thereby solving the problems that the existing equipment needs to be re-calibrated after being moved, the antenna is difficult to position, and the equipment is poor in mobility.
Preferably, the first slide plate 4 and the second slide plate 6 are respectively provided with a first positioning block 41 and a second positioning block 61.
Preferably, the first positioning block 41 and the second positioning block 61 are both L-shaped positioning blocks.
Further, the first positioning block 41 and the second positioning block 61 are diagonally disposed.
Preferably, a positioning block adjusting groove 62 is formed through the upper end surface and the lower end surface of the first slide plate 4 along the y-axis direction;
the second positioning block 61 is attached to the first platen 4 through the positioning block adjustment groove 62.
Specifically, the second positioning block 61 is inserted into the positioning block adjusting groove 62 through a bolt, and the second positioning block 61 is fixed by screwing a nut; during adjustment, the second positioning block 61 is moved within the range of the positioning block adjusting groove 62 only by loosening the nut; namely, the application range of the detection device is further expanded by combining the position adjustment of the second positioning block 61 on the linear guide rail 5.
Preferably, a plurality of third sliding platform plates 9 for supporting the base station antenna are movably mounted on the linear guide rail 5.
In particular, the third slide plate 9 is used for assisting in supporting the base station antenna, and is particularly important for supporting the base station antenna with an excessively long size.
Preferably, it further comprises:
and the bar code identification device is arranged on the test platform 1 and is used for identifying the bar code on the base station antenna.
Specifically, the bar code on the base station antenna is product information, and after the product information is acquired by the bar code identification device, the configuration data of the oscillator position of the product is determined by software, so that the displacement device 72 can automatically drive the probe 71 to move to the position where each oscillator of the product is located, and a series of oscillator parameters at corresponding positions are detected. The bar code recognition device is connected to a controller that controls the displacement device 72.
Preferably, the base station antenna near-field radiation detection device further comprises;
a Z-direction moving guide 101;
and a darkroom cover 102 which is telescopically arranged on the Z-direction moving guide rail 101.
Specifically, the darkroom enclosure 102 is used for providing a darkroom for a test environment to ensure the accuracy of a test signal.
Preferably, the device further comprises a belt transmission mechanism for driving the second slide plate 6 to move.
Preferably, the base station antenna near-field radiation detection apparatus further includes:
and the cable plugging mechanism is used for plugging the output cable led out from the radio frequency matrix switch 3 into the cable connecting end of the base station antenna.
Preferably, the cable plugging mechanism comprises:
the sliding table module 111 is arranged on one side of the first sliding table plate 4;
and the cable clamping assembly 112 is movably mounted on the sliding table module 111.
Specifically, the cable plugging mechanism can be multiple, and automatic plugging of the antenna cable is realized through the cable plugging mechanism, and certainly, plugging of the cable can be replaced manually.
Furthermore, the detection equipment also comprises a three-color lamp, wherein the three-color lamp is orange in the operation process, the color can be changed into green when the test is qualified, and the color is bright red when the test is unqualified, so that the visual result judgment is realized.
When the positioning device is used, base station antennas are placed on the first slide plate 4 and the second slide plate 6, the displacement of the second slide plate 6 on the linear guide rail 5 is adjusted, the position of the second positioning block 61 is adjusted within the range of the positioning block adjusting groove 62, and the positioning of the base station antennas is completed;
the bar code identification device identifies a bar code on a base station antenna, acquires oscillator position configuration data of the base station antenna, the radio frequency matrix switch 3 switches a radio frequency channel of a corresponding oscillator port to realize transmission of a transmitting end signal to the measured base station antenna, then the displacement device 72 drives the probe 71 to move according to the oscillator position configuration data, the probe 71 detects amplitude and phase indexes of a corresponding oscillator, the returned data is converted into corresponding directional diagram indexes through the amplitude and phase indexes in a network analyzer, and whether the antenna is in a cable with error leakage or not is judged through the amplitude and phase magnitude.
The utility model has reasonable and ingenious design, and converts the directional diagram index through the algorithm, thereby achieving the effect of simulating the directional diagram test and overcoming the detection before sealing glue; the first sliding table plate 4 is arranged on the test platform 1, and the amplitude-phase test device 7 is arranged on the test platform 1 relative to the first sliding table plate 4, so that the first sliding table plate 4 and the amplitude-phase test device 7 are integrated, the relative position is fixed, and the calibration origin is not changed after the movement, thereby solving the problems that the existing equipment needs to be re-calibrated after the movement, the antenna is difficult to position, and the equipment is poor in mobility; in addition, the position adjustment of the second positioning block 61 on the linear guide rail 5 is combined, the application range of the detection device is expanded, and the problems that the traditional amplitude-phase detection device is difficult to adapt to antenna products with different width sizes, and the antenna production and manufacturing test cost is high and cannot be reduced are solved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, using the technical means and contents disclosed above, without departing from the scope of the technical solution of the present invention. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. A base station antenna near field radiation detection device, comprising:
a test platform;
a vector network analyzer;
a radio frequency matrix switch;
the first sliding table plate is arranged on the test platform;
the linear guide rail is arranged on the test platform;
the second sliding table plate is movably arranged on the linear guide rail and is matched with the first sliding table plate to bear a base station antenna;
the amplitude-phase testing device is arranged on the testing platform for the first sliding table plate;
the amplitude and phase testing device comprises a probe and a displacement device for driving the probe to move along the directions of x, y and z axes;
the probe is connected with the receiving end of the radio frequency matrix switch through a receiving cable, and the output end of the radio frequency matrix switch is connected with the receiving end of the vector network analyzer.
2. The base station antenna near field radiation detection device of claim 1, wherein the first slide plate and the second slide plate are respectively provided with a first positioning block and a second positioning block.
3. The base station antenna near field radiation detection device of claim 2, wherein the first positioning block and the second positioning block are both L-shaped positioning blocks.
4. The base station antenna near field radiation detection device of claim 3, wherein a positioning block adjustment slot is formed through the upper and lower end surfaces of the first slide plate along the y-axis direction;
the second positioning block is arranged on the first sliding table plate through the positioning block adjusting groove.
5. The base station antenna near field radiation detection device of claim 1, wherein a plurality of third skid plates for supporting the base station antenna are further movably mounted on the linear guide rail.
6. The base station antenna near field radiation detection device of claim 1, further comprising:
and the bar code identification device is arranged on the test platform and used for identifying the bar code on the base station antenna.
7. The base station antenna near field radiation detection device of claim 1, further comprising;
a Z-direction moving guide rail;
and the darkroom cover is telescopically arranged on the Z-direction moving guide rail.
8. The apparatus of claim 1, further comprising a belt drive mechanism for driving the second sliding table to move.
9. The base station antenna near field radiation detection device of claim 1, further comprising:
and the cable plugging mechanism is used for plugging an output cable led out by the radio frequency matrix switch to a cable connecting end of the base station antenna.
10. The base station antenna near field radiation detection device of claim 9, wherein the cable attachment mechanism comprises:
the sliding table module is arranged on one side of the first sliding table plate;
and the cable clamping assembly is movably arranged on the sliding table module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022756456.4U CN213817797U (en) | 2020-11-25 | 2020-11-25 | Near-field radiation detection equipment for base station antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022756456.4U CN213817797U (en) | 2020-11-25 | 2020-11-25 | Near-field radiation detection equipment for base station antenna |
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| CN213817797U true CN213817797U (en) | 2021-07-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115941064A (en) * | 2022-10-19 | 2023-04-07 | 全图通位置网络有限公司 | Complex environment positioning system radio frequency antenna test system |
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- 2020-11-25 CN CN202022756456.4U patent/CN213817797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115941064A (en) * | 2022-10-19 | 2023-04-07 | 全图通位置网络有限公司 | Complex environment positioning system radio frequency antenna test system |
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