Array antenna test system tool
Technical Field
The invention relates to the technical field of antennas, in particular to an array antenna test system tool.
Background
The existing novel base station antenna adopts a large-scale antenna unit array, and compared with the traditional base station antenna or the traditional integrated active antenna, the form difference is that the array quantity is very large, the units have independent transceiving capacity, and the function of simultaneously transceiving data is realized through more antenna units. The large-scale antenna unit array adopts a multi-channel communication joint port, the communication joints grow in the same proportion along with the increase of the number of the radiation unit arrays, the physical positions are various, and the communication joints are densely arranged in a relatively compact space of the same plane. In the array antenna test process, the standard plug-in connector is required to be used for connecting dozens of or even hundreds of communication connectors, the connector is not fixed in the traditional tool, the traditional tool directly depends on the size to be matched with the fixed communication connector, the vertical contact stability and reliability of the communication connectors are difficult to guarantee, the communication connectors are difficult to guarantee not to influence the adjacent communication connectors in the plug-in process, and the communication interfaces are difficult to guarantee not to fall off under the rotating condition of the test board.
Disclosure of Invention
The embodiment of the application provides an array antenna test system tool, and solves the problems that in the prior art, connection stability and reliability of communication connectors are difficult to guarantee, and influence on adjacent communication connectors in a plugging process is difficult to guarantee.
The invention provides an array antenna test system tool, which comprises: the communication connector fixing device comprises a mounting frame, wherein a plurality of communication connector fixing components are arranged on the mounting frame, and each communication connector fixing component comprises two communication connector fixing holes and an elastic fastener; the communication joint fixing hole is used for inserting a communication joint of the antenna to be tested;
a groove is formed at the joint of the two communication connector fixing holes, and a threaded hole is formed in the center of the groove; the elastic fastener is in an arc shape and is provided with an opening; and the elastic fastener is embedded into the groove by passing a screw through the open hole and screwing the screw into the threaded hole.
Preferably, the communication connector fixing hole and the mounting frame are integrally formed, and the communication connector fixing hole is D-shaped.
Preferably, the mounting frame is formed by metal processing, and the surface of the mounting frame is subjected to oxidation treatment.
Preferably, the elastic fastener is made of elastic metal.
Preferably, the mounting frame is further provided with a support column, the support column and the mounting frame are integrally processed and formed, and the support column is used for fixing the antenna to be tested.
Preferably, still be provided with the radome fixed orifices on the installation frame, the radome fixed orifices with installation frame integrated into one piece, the radome fixed orifices is used for the fixed radome who is surveyed the antenna.
Preferably, still be provided with the radome guide post on the installation frame, the radome guide post with installation frame integrated into one piece, the radome guide post is used for supplementary radome's fixed.
Preferably, the number of the radome guide posts is two, and the radome guide posts are located in the middle area of the installation frame and located on the left side and the right side of the installation frame respectively.
Preferably, the mounting frame is further provided with a mounting bracket fixing hole, and the mounting bracket fixing hole and the mounting frame are integrally formed; the mounting bracket fixing holes are two and are respectively located at the upper end and the lower end of the mounting frame, and the mounting bracket fixing holes are used for fixing the pole holding bracket of the antenna to be tested.
Preferably, the mounting frame is further provided with a handle, and the handle and the mounting frame are integrally formed; the handle is two, two the handle is located respectively the upper and lower both ends of installation frame.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
in the embodiment of the application, a fixing hole is processed at the communication joint, namely the communication joint fixing hole corresponds to the position of the communication joint on the antenna, the communication joint fixing hole is accurately matched with the plug-in connector, a method that the connector is not fixed in a traditional tool is changed, the connector is stably and reliably connected with the communication joint of the antenna, an external cable of the connector is supported by the fixing hole, the plugging verticality guarantees that external forces such as cable weight and the like vertically act on a connecting port, the communication joint cannot deflect or incline after being inserted, the test index is not influenced by multiple plugging and unplugging, the test consistency is guaranteed, and the test accuracy can be effectively improved. In addition, a recess has been seted up in per two communication joint fixed orificess, the recess center sets up the screw hole, in embedding the recess with elastic fastener, elastic fastener is the arcuation that bends, and deviate from at the vertical direction at vertical direction restriction elastic fastener through screw in screw hole, communication connects after inserting the fixed orifices, the cambered surface pressure to elastic fastener is adjusted to the rotatory screw of accessible, the deflection of control elastic fastener, make elastic fastener extrude communication joint after length direction extension, thereby prevent that communication joint is not hard up or reverse to deviate from, avoid communication joint and antenna interface bad contact or the condition that appears transmitting the interrupt.
Drawings
In order to more clearly illustrate the technical solution in the present embodiment, the drawings needed to be used in the description of the embodiment will be briefly introduced below, and it is obvious that the drawings in the following description are one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a front view of an array antenna test system fixture according to an embodiment of the present invention;
fig. 2 is a rear view of an array antenna test system fixture according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a test system fixture for an array antenna according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a communication connector fixing hole and an elastic fastener in an array antenna test system fixture according to an embodiment of the present invention.
The antenna comprises a mounting frame 101, a support column 102, a radome fixing hole 103, a radome guide column 104, a mounting frame fixing hole 105, a handle 106, a communication connector fixing hole 107 and an elastic fastener 108.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Referring to fig. 1 and 2, the present invention provides an array antenna test system tool, including: the antenna comprises a mounting frame 101, a support column 102, a radome fixing hole 103, a radome guide column 104, a mounting bracket fixing hole 105, a handle 106, a communication connector fixing hole 107 and an elastic fastener 108.
Wherein, installation frame 101 wholly adopts the metal-working shaping, and the surface carries out oxidation treatment, has light in weight, stable in structure, and intensity is better, the difficult advantage of corrosion in surface.
Referring to fig. 2 and 3, the supporting column 102 is fixed on the mounting frame 101, and the supporting column 102 and the mounting frame 101 are integrally formed. The sizes and the tolerances of a plurality of the support columns 102 and the tested antenna holes to be fixed are completely consistent, and the support columns 102 are provided with threads and are used for fixing the tested antenna through screws.
Referring to fig. 1, the radome fixing hole 103 is fixed on the mounting frame 101, and the radome fixing hole 103 and the mounting frame 101 are integrally formed by milling. The antenna cover of the tested antenna is provided with screw holes which are fixedly arranged, and the screw holes correspond to the antenna cover fixing holes 103 one by one and are fixed through screws.
Referring to fig. 2 and 3, the radome guide post 104 is provided at two positions, and both the two positions are located in the middle area of the mounting frame 101, and the radome guide post 104 and the mounting frame 101 are integrally formed. The antenna housing guide post 104 is a cylinder, corresponds to a corresponding fixed circular hole position on the antenna housing of the tested antenna, and is inserted through positioning, so that the antenna housing does not generate plane displacement on one hand, and on the other hand, the antenna housing is convenient to assemble under the invisible state of the antenna housing fixed hole 103.
Referring to fig. 1, the mounting bracket fixing holes 105 are disposed at two positions, which are respectively located at the upper end and the lower end of the mounting frame 101, and the mounting bracket fixing holes 105 and the mounting frame 101 are integrally formed. The mounting bracket fixing hole 105 is used for fixing a pole holding bracket of the tested antenna, and the pole holding bracket is a testing accessory and is used for performing directional diagram testing and vibration testing in a rotating state.
Referring to fig. 1 and 3, the handle 106 is disposed at two positions, which are respectively located at the upper end and the lower end of the mounting frame 101, and the handle 106 and the mounting frame 101 are integrally formed. Preferably, the handle 106 is smoothly handled to facilitate manual transportation of the entire body.
Referring to fig. 3 and 4, the communication connector fixing hole 107 is fixed on the mounting frame 101, and the communication connector fixing hole 107 and the mounting frame 101 are integrally milled. Each communication joint fixing hole 107 corresponds to the communication joint position of the antenna to be tested, and the hole shape of each communication joint fixing hole 107 is matched with the communication joint shape and is D-shaped, so that the communication joint does not rotate after being inserted, and the test consistency is further ensured.
Referring to fig. 4, the elastic fastener 108 is made of elastic metal, and is in an arc shape, and a hole is formed in the center of the part, and is fixed on the mounting frame 101 by a screw. A groove (for example, a concave square groove) is formed in every two communication connector fixing holes 107, a threaded hole is formed in the center of the groove, the elastic fastener 108 is embedded into the groove and is limited to be disengaged in the vertical direction by screwing a screw into the threaded hole, after the communication connector is inserted, the cambered surface pressure on the elastic fastener 108 can be adjusted by rotating the screw, the deformation of the elastic fastener 108 is controlled, the communication connector is extruded after the elastic fastener 108 is extended in the length direction, the communication connector is prevented from being loosened or disengaged reversely, and poor signal contact or transmission interruption between the communication connector and an antenna interface is avoided.
Compared with the prior art, the invention has the advantages, characteristics or positive effects that:
1. the invention processes the fixing hole at the corresponding communication joint, exactly matches the plug-in connector, changes the method that the adapter is not fixed in the traditional tool, the connector is stably and reliably connected with the antenna communication interface, the external cable of the connector is supported by the fixing hole, the plugging verticality ensures that external force such as cable weight and the like vertically acts on the connecting port, no deflection or inclination is generated, the plug-in verticality can be plugged for many times, the change of the test index is not influenced, and the test accuracy is improved.
2. The adjustable metal elastic fastener is additionally arranged at the communication joint, so that the method that the traditional tool directly fixes the matched communication connector by depending on size matching is changed, and the plug-in and pull-out influence of plug-in due to the accumulated error of the joint size is avoided.
3. The invention uses a metal fixing frame, namely the mounting frame, changes the traditional method of combining a plurality of parts into a frame, ensures the mounting size, reduces the number of parts and saves the assembly time.
4. In the installation frame, the installation positions are designed on the antenna fixing hole position, the matched antenna housing and the test support, and the weight of related matched parts is uniformly distributed in the installation frame, so that the geometric precision requirement of the antenna is ensured, and the reliability and the accuracy in the test are improved.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.