Detection device for base station antenna polarization

Abstract

The application relates to the technical field of communication, and provides a detection device for the polarization mode of a base station antenna, which comprises a signal generator, a base station antenna radio frequency instrument electrically connected with the signal generator, at least one detection mechanism, the detection mechanism comprising a detection component and at least one radiation probe, the radiation probe being arranged opposite to a base station antenna radiation element along a polarization direction of the base station antenna radiation element, the detection component being electrically connected with the radiation probe and used for representing a detection result, and the working frequency band of the radiation probe being greater than or equal to the working frequency band of the base station antenna radiation element. The detection device for the polarization mode of the base station antenna can quickly judge whether the polarization direction of the base station antenna radiation element is correct, the testing principle is simple, the cost is low, the polarization mode of the antenna can be effectively controlled, the working strength of workers is reduced, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of communication technology, in particular to a kind of detection device of base station antenna polarization mode. BACKGROUND

[0002] With the development of mobile communication, wireless coverage is more and more wide, as receiving and transmitting electromagnetic wave signal base station antenna in wireless communication, has the indispensable position. Many applications in cities base station antenna, demand quantity is huge, each manufacturer in production all want to improve production and detection efficiency, due to the particularity of base station antenna, mainly with dual polarization, its assembly process can not be realized fully automated welding, need manual cable welding, then how to check polarization whether to connect wrong, in prior art, commonly used base station antenna polarization detection method has three kinds: the first kind is to use different polarization to distinguish different cable, by visual inspection, check whether to connect wrong, this method is more original, base station antenna is more and more complex, cable layer by layer, not only visual search difficult, and quite time-consuming, prone to error, in batch production, this way basically can not work. The second method is to use network analyzer to test standing wave ratio and isolation, view index anomaly to find polarization abnormal problem, this scheme needs to use network analyzer, cost is higher, same as leakage detection, and after checking polarization wrong connection, still need manual to judge which or which polarization wrong connection occurs, efficiency is greatly discounted. The third is to judge the polarization mode of the antenna by testing the directional diagram. This method is time-consuming and labor-intensive, and the premise is to have a test field (the construction cost of the test field is huge, and only a few manufacturers have a test field), which is not suitable for mass production. SUMMARY

[0003] The present application provides a kind of detection device of base station antenna polarization mode, to solve the defects of low efficiency and high cost in prior art base station antenna polarization detection.

[0004] The present application provides a kind of detection device of base station antenna polarization mode, comprising: signal generator;Base station antenna radio frequency instrument, the base station antenna radio frequency instrument is electrically connected with the signal generator;At least one detection mechanism, the detection mechanism includes detection component and at least one radiation probe, the radiation probe is along the polarization direction of the base station antenna radiating element to be measured, and is opposite to the base station antenna radiating element, the detection component is electrically connected with the radiation probe, for indicating detection result;Wherein, the working frequency band of the radiation probe is greater than or equal to the working frequency band of the base station antenna radiating element.

[0005] According to the detection device of base station antenna polarization mode provided by the present application, each detection component includes: a driving circuit electrically connected to the radiation probe;A lamp, electrically connected to the driving circuit.

[0006] The base station antenna polarization mode detection device provided by the application comprises two radiation probes.

[0007] The base station antenna polarization mode detection device provided by the application comprises two radiation probes.

[0008] The base station antenna polarization mode detection device provided by the application comprises two radiation probes.

[0009] The base station antenna polarization mode detection device provided by the application comprises two radiation probes.

[0010] The base station antenna polarization mode detection device provided by the application comprises two radiation probes.

[0011] The base station antenna polarization mode detection device provided by the application comprises two radiation probes.

[0012] The base station antenna polarization mode detection device provided by the application comprises two radiation probes.

[0013] The base station antenna polarization mode detection device provided by the application comprises two radiation probes. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the application or prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0015] Figure 1 is a structural schematic view of the base station antenna polarization mode detection device provided by the application.

[0016] Figure 2 is Figure 1 a structural schematic view of a detection mechanism shown in FIG. 1;

[0017] Figure 3 is a structural schematic view of a detection device of a base station antenna polarization mode provided by the present application;

[0018] Figure 4 is a structural schematic view of a detection device of a base station antenna polarization mode provided by the present application;

[0019] Figure 5 is a structural schematic view of a detection device of a base station antenna polarization mode provided by the present application;

[0020] Reference signs:

[0021] 10: signal generator; 20: base station antenna radio frequency instrument; 21: joint;

[0022] 22: reflecting plate; 30: wire; 40: base station antenna radiation element;

[0023] 50: detection mechanism; 51: radiation probe; 52: driving circuit;

[0024] 53: lamp; 54: fixing member; 60: fixing plate. DETAILED DESCRIPTION

[0025] In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be described clearly and completely below with reference to the drawings in the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0026] The terms "first", "second" in the specification and claims of the present application can explicitly or implicitly include one or more features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0027] The base station antenna polarization mode detection device of the present application will be described below. Figures 1-5 The base station antenna polarization mode detection device of the present application will be described below.

[0028] As Figure 1As shown, in one embodiment of the present invention, the base station antenna polarization detection device includes: a signal generator 10, a base station antenna RF instrument 20, and at least one detection mechanism 50. The base station antenna RF instrument 20 is connected to the signal generator 10 via a wire 30. At least one base station antenna radiating element 40 to be detected is disposed on the base station antenna RF instrument 20. The base station antenna radiating element 40 is connected to the base station antenna RF instrument 20. The detection mechanism 50 includes at least one radiation probe 51 and a detection component. The radiation probe 51 is disposed along the polarization direction of the base station antenna radiating element 40 to be tested and is disposed opposite to the base station antenna radiating element 40 to be tested. The operating frequency band of the radiation probe 51 is greater than or equal to the operating frequency band of the base station antenna radiating element 40. The detection component is electrically connected to the radiation probe 51 and is used to indicate the detection result.

[0029] Specifically, the signal generator 10 emits an electrical signal, which is transmitted to the base station antenna RF instrument 20 via the wire 30. After reaching the base station antenna, the electrical signal is converted into electromagnetic waves through the feed network and the base station antenna radiator 40 and emitted outward. The radiation probe 51 of the detection mechanism 50 is positioned directly above the base station antenna radiator 40 to be tested. Utilizing the principle of same-frequency polarization coupling, the radiation probe 51 generates changing voltage and current after receiving the electromagnetic wave signal from the base station antenna radiator 40 under test. At this time, the detection component of the detection mechanism 50 starts to work. When the placement direction of the radiation probe 51 is the same as the polarization direction of the base station antenna radiator 40, a high voltage is generated, and the detection component emits light or sound. When the placement direction of the radiation probe 51 is different from or deviates too much from the polarization direction of the base station antenna radiator 40, a low voltage is generated, the detection component does not work, and no light or sound is emitted. When the polarization of the base station antenna radiator 40 under test is incorrectly connected or not connected, the current generated by the coupling of the detection mechanism 50 is very small, and the detection component does not emit light or sound. The detection component will only work when the polarization direction of the base station antenna radiator 40 is the same as the polarization direction of the radiation probe 51, thereby emitting light or sound. By observing whether the detection component emits light or sound, it can be determined whether the polarization of the base station antenna radiator 40 under test is incorrect or missing.

[0030] like Figure 3 As shown, further, in one embodiment of the present invention, optionally, the number of detection mechanisms 50 can be one or more. When the number of detection mechanisms 50 is multiple, the radiation probe 51 of each detection mechanism 50 should be arranged opposite to the base station antenna radiating element 40 along the polarization direction of the base station antenna radiating element 40 to be tested, so as to determine whether the polarization of the corresponding base station antenna radiating element 40 is correct according to the reaction state of each detection component.

[0031] Further, in one embodiment of the present invention, the detection component optionally includes a driving circuit 52 and a lamp 53. Specifically, the driving circuit 52 is electrically connected to the radiation probe 51, and the lamp 53 is electrically connected to the driving circuit 52. After receiving the electromagnetic wave signal from the radiating element 40 of the base station antenna to be detected, the radiation probe 51 generates changing voltage and current. Under the action of the driving circuit 52, the lamp 53 is illuminated. Whether the lamp 53 is illuminated can be used to determine whether the polarization direction of the radiating element 40 of the base station antenna to be detected is correct.

[0032] Optionally, the detection component may also include a drive circuit 52 and an alarm. Specifically, the drive circuit 52 is electrically connected to the radiation probe 51, and the alarm is electrically connected to the drive circuit 52. After receiving the electromagnetic wave signal from the radiating element 40 of the base station antenna to be tested, the radiation probe 51 generates changing voltage and current. Under the action of the drive circuit 52, the alarm emits a buzzing sound. Whether the alarm sounds can be used to determine whether the polarization direction of the radiating element 40 of the base station antenna to be tested is correct.

[0033] It is understood that the detection component can also be a combination of the drive circuit 52 and other devices, such as thermocouples or other indicative devices, and is not limited to the cases listed in the embodiments of the present invention.

[0034] The base station antenna polarization detection device provided in this invention, by setting up a detection mechanism, can quickly determine whether the polarization direction of the base station antenna radiating element is correct. Its testing principle is simple and low-cost, thus effectively controlling the antenna polarization mode, reducing worker workload, and improving production efficiency. Simultaneously, the test results are highly accurate and effective, enabling polarization testing over a wide frequency range, thereby ensuring that the antenna meets technical requirements, improving the polarization accuracy of antenna products leaving the factory, and enhancing antenna quality.

[0035] like Figure 2 As shown, in one embodiment of the present invention, each detection component includes a driving circuit 52 and a lamp 53. The driving circuit 52 is electrically connected to the radiation probe 51 and the lamp 53.

[0036] Specifically, after receiving the electromagnetic wave signal from the antenna radiator 40 of the base station to be tested, the radiation probe 51 generates changing voltage and current. Under the action of the driving circuit 52, the lamp 53 is lit up. Whether the lamp 53 is lit up can determine whether the polarization direction of the antenna radiator 40 of the base station to be tested is correct.

[0037] Specifically, the signal generator 10 emits an electrical signal, which is transmitted to the base station antenna RF instrument 20 via the wire 30. After reaching the base station antenna, the electrical signal is converted into electromagnetic waves through the feed network and the base station antenna radiator 40 and emitted outward. The radiation probe 51 is positioned directly above the base station antenna radiator 40 to be tested. Utilizing the principle of polarization coupling in the same frequency band, the radiation probe 51 generates changing voltage and current after receiving the electromagnetic wave signal from the base station antenna radiator 40 under test. At this time, the drive circuit 52 starts to work. When the placement direction of the radiation probe 51 is the same as the polarization direction of the base station antenna radiator 40, a high voltage is generated, and the lamp 53 lights up. When the placement direction of the radiation probe 51 is different from or deviates too much from the polarization direction of the base station antenna radiator 40, a low voltage is generated, the drive circuit 52 does not work, and the lamp 53 does not light up. When the polarization of the base station antenna radiator 40 under test is incorrectly connected or not connected, the current generated by the coupling of the detection mechanism 50 is very small, and the lamp 53 does not light up.

[0038] Furthermore, in this embodiment, the lamp 53 can be set to different colors, such as red for positive 45° polarization and green for negative 45° polarization. Different colors are used for different polarization directions to facilitate quick differentiation of polarization directions.

[0039] Optionally, in one embodiment of the present invention, the lamp 53 is an LED lamp.

[0040] Furthermore, such as Figure 4 As shown, in this embodiment, each detection mechanism 50 includes two radiation probes 51. The two radiation probes 51 can be arranged in a cross manner, such as being arranged at a 45° angle between them; or the two radiation probes 51 can be arranged perpendicular to each other, so that the two radiation probes 51 form a whole, and the polarization direction of the whole is the same as the polarization direction of the base station antenna radiating element 40 being tested.

[0041] Furthermore, such as Figure 5 As shown, this embodiment includes two detection mechanisms 50, each comprising two radiation probes 51. The two radiation probes 51 within each detection mechanism 50 form a whole, and the polarization direction of the whole is the same as the polarization direction of the base station antenna radiating element 40 being tested. In this embodiment, by setting multiple detection mechanisms 50, each equipped with two radiation probes 51, the polarization mode of four base station antenna radiating elements 40 can be determined simultaneously, improving detection efficiency.

[0042] It should be noted that the number of testing institutions 50 can be multiple, and is not limited to the two listed in the embodiments of the present invention.

[0043] The base station antenna polarization mode detection device provided by the embodiment of the application has low cost, is easy to implement, can realize double-polarization multi-array form according to the actual situation of the base station antenna, is direct to judge and saves time, and is suitable for rapid detection and positioning in batch production in a production workshop.

[0044] Further, in an embodiment of the application, the distance between the radiation probe 51 and the base station antenna radiation element 40 is less than or equal to 1 / 8 of the working wavelength. Specifically, when the distance between the radiation probe 51 and the base station antenna radiation element 40 to be detected is large, the signal coupling between the two may be interfered. Therefore, the upper limit of the distance between the radiation probe 51 and the base station antenna radiation element 40 is set to 1 / 8 of the working wavelength, so as to ensure that the distance between the two is not too large, thereby ensuring the accuracy of detection. Meanwhile, the operation tolerance is high, which can reduce the operation difficulty and thus reduce the detection difficulty.

[0045] Further, in an embodiment of the application, the distance between the center of the radiation probe 51 and the center of the base station antenna radiation element 40 is less than or equal to 1 / 16 of the working wavelength. Specifically, the distance between the center of the radiation probe 51 and the center of the base station antenna radiation element 40 can be understood as the distance between the two centers when the centers of the two are vertically projected onto any plane parallel to the relative surfaces of the two. When the distance between the two centers is large, the signal coupling between the two may be interfered. Therefore, the upper limit of the distance between the two centers is set to 1 / 16 of the working wavelength, so as to ensure that the distance between the two is not too large, thereby ensuring the accuracy of detection.

[0046] Further, in an embodiment of the application, the angle deviation between the polarization direction of the radiation probe 51 and the polarization direction of the base station antenna radiation element 40 is less than or equal to 5°. Specifically, in the detection process, when the direction of the radiation probe 51 is consistent with the polarization direction of the base station antenna radiation element 40 to be detected, the detection result has high accuracy, but the operation difficulty is also high. The upper limit of the angle deviation between the polarization direction of the radiation probe 51 and the polarization direction of the base station antenna radiation element 40 is set to 5°, so as to ensure that the angle deviation is not too large, thereby ensuring the detection accuracy. It can be understood that the angle deviation can be a clockwise deviation or a counterclockwise deviation.

[0047] As shown in FIG. 1, Figure 1 In an embodiment of the application, the base station antenna polarization mode detection device further comprises a fixing plate 60, and the detection mechanism 50 further comprises a fixing piece 54, and the fixing piece 54 is in sliding connection with the fixing plate 60.

[0048] Specifically, the fixing plate 60 is used to bear the detection mechanism 50, the fixing member 54 is connected with the fixing plate 60 and can move along the fixing plate 60, so that the radiation probe 51 can move along the fixing plate 60, and the position of the radiation probe 51 is adjusted, and the radiation probe 51 is not in direct contact with the base station antenna radiation element 40, so that the performance stability of the radiation probe 51 is ensured, and the service life of the radiation probe 51 and the detection device of the entire base station antenna polarization mode is prolonged.

[0049] Further, in an embodiment of the present application, the fixing plate 60 is made of hard material and can bear the weight of the detection mechanism 50 without obvious deformation.

[0050] Further, as shown in Figure 3 and Figure 5 , two detection mechanisms 50 are connected on each fixing plate 60, and the distance between the two detection mechanisms 50 is equal to the distance between the two base station antenna radiation elements 40, so that the polarization detection of multiple base station antenna radiation elements 40 can be completed at the same time.

[0051] Further, in an embodiment of the present application, at least one connector 21 is arranged on the base station antenna RF instrument 20, and the connector 21 is electrically connected with the signal generator 10 and the base station antenna radiation element 40 respectively.

[0052] Specifically, as shown in Figure 1 , the connector 21 of the base station antenna RF instrument 20 is used to be electrically connected with the signal generator 10 and the base station antenna radiation element 40, and each connector 21 is connected with one base station antenna radiation element 40, and the base station antenna radiation element 40 is arranged on the reflecting plate 22 of the base station antenna RF instrument 20. As shown in Figure 3 , when the number of base station antenna radiation elements 40 is two, two connectors 21 are arranged on the base station antenna RF instrument 20, and each connector 21 is connected with one base station antenna radiation element 40. Each connector 21 is used to transmit electrical signals to the base station antenna, and then the electrical signals are converted into electromagnetic waves by the feeder network and the base station antenna radiation element 40, and are emitted outward.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A device for detecting polarization mode of a base station antenna, characterized in that, The utility model relates to a kind of base station antenna radiation frequency instrument and detection device, including: Signal generator; Base station antenna radio frequency instrument, the base station antenna radio frequency instrument is electrically connected with the signal generator; Multiple detection mechanisms, each detection mechanism includes detection component and two radiation probes, each radiation probe is along the polarization direction of the base station antenna radiating element to be measured, and is oppositely arranged with the base station antenna radiating element, the detection component is electrically connected with the radiation probe, for indicating detection result; Wherein, the included angle between two radiation probes is 45 ° or 90 °, so that two radiation probes form an entirety, and the polarization direction of the entirety is same with the polarization direction of the base station antenna radiating element to be tested, and the working frequency range of the radiation probe is greater than or equal to the working frequency range of the base station antenna radiating element; Each detection component includes: Drive circuit, the drive circuit is electrically connected with the radiation probe; Lamp, the lamp is electrically connected with the drive circuit.

2. The apparatus for detecting polarization of a base station antenna according to claim 1, wherein The distance between the radiation probe and the base station antenna radiating element is less than or equal to 1 / 8 working wavelength.

3. The apparatus according to claim 1, wherein The distance between the center of the radiation probe and the center of the base station antenna radiating element is less than or equal to 1 / 16 working wavelength.

4. The apparatus according to claim 1, wherein The angle deviation between the polarization direction of the radiation probe and the polarization direction of the base station antenna radiating element is less than or equal to 5 °.

5. The apparatus according to claim 1, wherein Further including fixing plate, the detection component further includes fixing piece, and the fixing piece is slidably connected with the fixing plate.

6. The apparatus for detecting polarization of a base station antenna of claim 1, wherein, At least one joint is provided on the base station antenna radio frequency instrument, and the joint is electrically connected with the signal generator and the base station antenna radiating element respectively.

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