CN212159865U

CN212159865U - Radio frequency device testing device and radio frequency device testing system

Info

Publication number: CN212159865U
Application number: CN202020462290.2U
Authority: CN
Inventors: 邱建源; 李涛; 苏国生
Original assignee: Comba Telecom Technology Guangzhou Ltd
Current assignee: Comba Telecom Technology Guangzhou Ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-12-15
Anticipated expiration: 2030-04-01

Abstract

The utility model provides a radio frequency device testing arrangement and radio frequency device test system, wherein radio frequency device testing arrangement includes the mount pad and all locates mounting structure and cable connector on the mount pad, mounting structure is used for the cavity of fixed radio frequency device, cable connector's one end is used for being connected with the cable of radio frequency device. The utility model provides a radio frequency device testing arrangement can need not loaded down with trivial details welding with the radio frequency device and the radio frequency test instrument or the load high-speed joint who are tested through cable connector, and need not to carry out intermediate transfer through other devices, reduces the influence to the test, guarantees authenticity and the accuracy of test data.

Description

Radio frequency device testing device and radio frequency device testing system

Technical Field

The utility model relates to a components and parts test technical field especially relates to a radio frequency device testing arrangement and adoption radio frequency device testing arrangement's radio frequency device test system.

Background

At present, a large number of radio frequency devices, such as phase shifters, combiners, power dividers, filters, and the like, are usually required to be arranged in a base station antenna, and specific circuit parameters and radiation parameters of each radio frequency device are accurately tested, which plays a crucial role in accurately grasping the circuit and radiation parameters of a corresponding antenna.

The existing radio frequency device testing methods are generally two types: a test method is to connect a port of a radio frequency device and a test port through a welding terminal for testing, and because the welding terminal is required to be reused for welding every test of a parameter, the actual operation is complex, and the test result is influenced by the connection of the welding terminal. The other testing method is to connect the radio frequency device and the radiation unit to form a simple antenna structure for combined testing, and although the structure avoids repeated welding in the testing process, the radiation unit is introduced, so that more uncertain factors are caused, and the testing result cannot truly reflect the actual indexes of the radio frequency device. Therefore, the existing radio frequency device testing methods have great defects, and cannot realize rapid testing, test modularization and standardization of the radio frequency device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first-hand object aims at providing a test accurate and efficient radio frequency device testing arrangement.

Another object of the present invention is to provide a radio frequency device testing system using the above radio frequency device testing apparatus.

In order to achieve the above object, the present invention provides the following technical solutions:

as a first aspect, the present invention relates to a radio frequency device testing apparatus for testing a radio frequency device, which includes a mounting base and a mounting structure and a cable connector both disposed on the mounting base, wherein the mounting structure is used for fixing a cavity of the radio frequency device, and one end of the cable connector is used for connecting a cable of the radio frequency device.

Preferably, the mounting seat includes a fixing plate and a side plate standing on the edge of the fixing plate, the mounting structure is disposed on the fixing plate, and the cable connector is disposed on the side plate.

Preferably, one surface of the fixing plate for fixing the cavity is set as a front surface, the other surface is set as a back surface, and the side plate is erected on the back surface of the fixing plate.

Preferably, the radio frequency device testing device further comprises a plugging mechanism arranged on the mounting seat, and the plugging mechanism is used for being connected with a pull rod of the radio frequency device and driving the pull rod to move in a plugging mode relative to the cavity.

Further, the mounting seat comprises a fixing plate, the mounting structure is arranged on the fixing plate, one surface of the fixing plate, which is used for fixing the cavity, is set as a front surface, and the other surface of the fixing plate is set as a back surface; the plugging mechanism comprises a driving assembly and a connecting piece which is connected with the driving assembly and can move back and forth along a straight line under the driving of the driving assembly, the driving assembly is arranged on the reverse side of the fixed plate, and the connecting piece is arranged on the front side of the fixed plate and is used for being connected with the pull rod.

Preferably, the fixed plate is provided with a guide hole extending along the moving direction of the connecting piece, the plugging mechanism further comprises a transmission piece arranged in the guide hole in a penetrating manner, one end of the transmission piece is connected with the driving component, and the other end of the transmission piece is connected with the connecting piece.

Preferably, the connecting members are provided in at least two, which are arranged side by side in a direction perpendicular to a moving direction of the connecting members.

Preferably, the radio frequency device testing device further comprises a supporting member arranged on the mounting seat and used for suspending the mounting seat, and the supporting member is arranged on the bottom surface and the top surface of the mounting seat.

Preferably, the radio frequency device testing device further comprises a wire clamp arranged on the mounting seat and used for fixing the cable.

As a second aspect, the present invention further relates to a radio frequency device testing system, which includes a radio frequency testing apparatus and the radio frequency device testing apparatus, wherein the radio frequency testing apparatus is electrically connected to the cable connector.

Compared with the prior art, the utility model discloses a scheme has following advantage:

1. the utility model provides a radio frequency device testing arrangement can need not loaded down with trivial details welding with the radio frequency device and the radio frequency test instrument or the load high-speed joint who are tested through cable connector, and need not to carry out intermediate transfer through other devices, reduces the influence to the test, guarantees authenticity and the accuracy of test data.

2. The utility model provides a radio frequency device testing arrangement locates the one side of radio frequency device installation face back to on the mount pad with the cable connector to more multi-cable connector arranges, guarantees that a plurality of port homoenergetic of radio frequency device are linked, and the test procedure need not loaded down with trivial details adjustment connection port, and arranges the cable in the one side that carries on the back mutually with the radio frequency device main part, can avoid too much cable to cause the influence to the test procedure.

3. The utility model provides a radio frequency device testing arrangement still is equipped with the plug mechanism that the relative cavity plug of pull rod removed that is used for driving the radio frequency device, can realize quick plug test, detects the durability, and can with the accurate regulation of pull rod is to different states to test the parameter under the different states.

4. The utility model provides an among the radio frequency device testing arrangement, the one side of radio frequency device installation face is back to on the mount pad is located equally to plug mechanism's drive assembly, can further guarantee the clean and tidy of radio frequency device installation face, reduces the influence to the test procedure to the radio frequency device of different structures, size can be installed in the adaptation better, the reinforcing suitability.

5. The utility model provides an among the radio frequency device testing arrangement, the bottom surface and the top surface of mount pad all are equipped with and are used for makedly making somebody a mere figurehead the support piece of mount pad is about to when the mount pad positive and negative is placed, the homoenergetic passes through support piece makes somebody a mere figurehead, avoids locating plug mechanism, radio frequency device and the relevant cable on the mount pad to be crushed, protective apparatus safety.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of a radio frequency device testing apparatus according to an embodiment of the present invention;

FIG. 2 is a perspective view of the RF device testing apparatus shown in FIG. 1 from another angle;

fig. 3 is a reference diagram showing the use state of the radio frequency device testing apparatus shown in fig. 1.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

It will be understood by those within the art that, unless expressly stated otherwise, the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will 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. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.

Fig. 1 to fig. 3 show jointly the utility model provides a radio frequency device testing arrangement, it is used for testing cavity formula radio frequency device, but the cavity formula radio frequency device of compatible multiple model can simplify test procedure and can realize the quick plug test to cavity formula radio frequency device, makes the test modularization more, standardization, tests accurately and efficient.

As shown in fig. 1, the radio frequency device testing apparatus 1 includes a mounting base 11, a mounting structure 12, a plugging mechanism 13 and a cable connector 14, which are all disposed on the mounting base 11.

Referring to fig. 3, the radio frequency device testing apparatus 1 is compatible with various types of cavity radio frequency devices in practical use, and for convenience of description, the specific structure of the radio frequency device testing apparatus 1 is described in this embodiment by taking the testing cavity phase shifter 2 as an example. The cavity type phase shifter 2 includes a cavity 21, a circuit board (not shown, the same applies below) disposed in the cavity 21 and capable of being inserted into and pulled out of the cavity 21, and a pull rod 22 connected to the circuit board and exposed out of the cavity 21. The mounting structure 12 is configured to fix the cavity 21, the plugging mechanism 13 is configured to be connected to the pull rod 22 and to drive the pull rod 22 to be plugged into and pulled out of the cavity 21, so as to drive the circuit board to be plugged into and pulled out of the cavity 21, one end of the cable connector 14 is configured to be connected to a cable of the cavity phase shifter 2, and the other end of the cable connector is configured to be connected to a radio frequency test instrument or a load, so as to form a loop of a test signal.

In an actual test, the plugging mechanism 13 can drive the circuit board to be plugged and unplugged fast relative to the cavity 21, so that the durability of the radio frequency device testing device 1 can be tested, parameters of the cavity type phase shifter 2 in different states can be tested, the cavity type phase shifter 2 can be directly connected with a related radio frequency testing instrument or a load through the cable connector 14, tedious welding is not needed in the testing process, intermediate switching is not needed through other devices, the influence on the test is reduced, and the authenticity and the accuracy of test data are ensured.

As shown in fig. 1, the mounting structure 12 includes a plurality of mounting holes 121 disposed on the mounting base 11, the positions of the plurality of mounting holes 121 are set according to the assembly structure on the cavity phase shifter 2, a plurality of sets of mounting holes 121 respectively adapted to cavity radio frequency devices of different specifications may be disposed, the mounting structure is simple, more cavity radio frequency devices can be conveniently adapted, and the applicability can be effectively improved without increasing excessive cost.

Further, the mounting seat 11 includes a fixing plate 111, and one surface of the fixing plate 111 for fixing the cavity 21 is a front surface, and the other surface is a back surface.

Referring to fig. 1 and fig. 2, the inserting and pulling mechanism 13 includes a driving assembly 131 and a connecting member 132 connected to the driving assembly 131 and capable of moving back and forth along a straight line under the driving of the driving assembly 131, the driving assembly 131 is disposed on the reverse side of the fixing plate 111, and the connecting member 132 is disposed on the front side of the fixing plate 111 and is used for connecting the pull rod 22. Since the driving assembly 131 is disposed on the opposite side of the fixing plate 111, more mounting area for mounting the cavity-type phase shifter 2 can be made available in the limited space of the fixing plate 111, so that the mounting base 11 can be adapted to mount cavity-type radio frequency devices of more models and sizes.

Preferably, the two connecting members 132 are arranged side by side in a direction perpendicular to the moving direction of the two connecting members, and are respectively used for connecting the two cavity type phase shifters 2, so that the plugging and unplugging test of the two cavity type phase shifters 2 is simultaneously controlled by one driving assembly 131, and the test efficiency is improved.

In other embodiments, when the mounting area of the fixing plate 111 is sufficient for disposing more cavity-type rf devices, the number of the connecting members 132 may also be set to be more, so as to test a plurality of cavity-type rf devices at the same time, thereby further improving the testing efficiency.

Preferably, the fixing plate 111 is provided with a guide hole 1111 extending along the moving direction of the connecting member 132, the inserting and pulling mechanism 13 further includes a transmission member 133 inserted into the guide hole 1111, one end of the transmission member 133 is connected to the driving assembly 131, and the other end is connected to the connecting member 132. While the driving assembly 131 and the connecting member 132 respectively disposed on both sides of the fixing plate 111 are connected by the transmission member 133, the transmission member 133 may also be matched with the guide hole 1111 to guide the connecting member, so as to limit the connecting member 132, improve the stability of the movement of the connecting member 132, and ensure the testing accuracy.

As shown in fig. 2, the driving assembly 131 includes a driving motor (not shown, the same applies below) and a lead screw 1311 connected to an output shaft of the driving motor and driven to rotate by the driving motor, and one end of the connecting member 132 connected to the driving assembly 131 is provided as a lead screw nut sleeved on the lead screw 1311, so that the rotary motion of the lead screw 1311 is converted into a linear motion. The driving motor is preferably a servo motor, and compared with a mode of driving by using an air cylinder, the moving precision of the connecting piece 132 can be ensured, so that the testing precision is improved.

Referring to fig. 1 and 2, the mounting base 11 further includes a side plate 112 standing on the edge of the fixing plate 111, and the side plate 112 stands on the opposite side of the fixing plate 111. The cable connector 14 includes a plurality of input connectors 141 and a plurality of output connectors 142, and the plurality of input connectors 141 and the plurality of output connectors 142 are disposed on the side plate 112. Through the cable connectors 14 which can be arranged on the side plates 112, a plurality of test ports can be conveniently connected, the plurality of ports of the cavity type phase shifter 2 can be connected, the connecting ports do not need to be adjusted in a complicated test process, and because the cable connectors 14 are arranged on the reverse side of the fixing plate 111, the influence of excessive cables on the test process can be avoided, and the test is convenient.

Correspondingly, the fixing plate 111 is further provided with a cable through hole 1112, and a cable of the cavity type phase shifter 2 disposed on the front surface of the fixing plate 111 can be inserted through the cable through hole 1112 to the back surface of the fixing plate 111 to be connected with the cable connector 14.

Preferably, the radio frequency device testing apparatus 1 further includes a support 15, and the support 15 is disposed on the mounting base 11 and is used for suspending the mounting base 11.

Referring to fig. 1 and fig. 2, the supporting member 15 includes a first supporting member 151 disposed on the front surface of the fixing plate 111 and a second supporting member 152 disposed on the back surface of the fixing plate 111, that is, the supporting member 15 is disposed on both the bottom surface and the top surface of the mounting base 11, so that the mounting base 11 can be ensured to be in an overhead state after the mounting base 11 is arbitrarily turned over, the plugging mechanism 13, the cavity-type phase shifter 2 and related cables disposed on the mounting base 11 are prevented from being damaged by pressure, and the safety of the device is protected.

Preferably, the radio frequency device testing apparatus 1 further includes a plurality of wire clamps 16 arranged on the mounting base 11, and the cables are fixed by the wire clamps 16, so that the cables can be prevented from being crossed and disordered, and the convenience of wiring is improved.

As a second aspect, the present invention further relates to a radio frequency device testing system (not shown, the same applies below), which includes a radio frequency testing apparatus and the radio frequency device testing apparatus 1, wherein the radio frequency testing apparatus is electrically connected to the cable connector 14.

The radio frequency testing instrument can be a vector analyzer, an electric tuning analyzer, a spectrum analyzer and other equipment used for calculating and analyzing performance parameters of the cavity type radio frequency device, and the radio frequency testing instrument forms a testing signal loop through the connection of the radio frequency device testing device 1, so that the test of the radio frequency device testing system is more modularized and standardized, and the test is accurate and efficient.

The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A radio frequency device testing device is used for testing a radio frequency device and is characterized by comprising an installation base, an installation structure and a cable connector, wherein the installation structure and the cable connector are arranged on the installation base, the installation structure is used for fixing a cavity of the radio frequency device, and one end of the cable connector is used for being connected with a cable of the radio frequency device.

2. The apparatus of claim 1, wherein the mounting base includes a fixing plate and a side plate standing on an edge of the fixing plate, the mounting structure is disposed on the fixing plate, and the cable connector is disposed on the side plate.

3. The device for testing a radio frequency device according to claim 2, wherein one surface of the fixing plate for fixing the cavity is set as a front surface, and the other surface is set as a back surface, and the side plate stands on the back surface of the fixing plate.

4. The device testing apparatus of claim 1, further comprising a plugging mechanism disposed on the mounting base, wherein the plugging mechanism is configured to connect with a pull rod of the rf device and drive the pull rod to move in a plugging manner relative to the cavity.

5. The radio frequency device testing apparatus according to claim 4, wherein the mounting base includes a fixing plate, the mounting structure is disposed on the fixing plate, and one surface of the fixing plate for fixing the cavity is set as a front surface, and the other surface is set as a back surface;

the plugging mechanism comprises a driving assembly and a connecting piece which is connected with the driving assembly and can move back and forth along a straight line under the driving of the driving assembly, the driving assembly is arranged on the reverse side of the fixed plate, and the connecting piece is arranged on the front side of the fixed plate and is used for being connected with the pull rod.

6. The apparatus according to claim 5, wherein the fixing plate has a guide hole extending along a moving direction of the connecting member, the inserting/pulling mechanism further includes a transmission member inserted into the guide hole, one end of the transmission member is connected to the driving assembly, and the other end of the transmission member is connected to the connecting member.

7. A radio frequency device testing apparatus according to claim 5, wherein said connecting members are provided in at least two, which are arranged side by side in a direction perpendicular to a moving direction of said connecting members.

8. The device testing apparatus of claim 1, further comprising a support member disposed on the mounting base and used for suspending the mounting base, wherein the support member is disposed on both the bottom surface and the top surface of the mounting base.

9. The radio frequency device testing apparatus of claim 1, further comprising a clip disposed on the mounting base for securing the cable.

10. A radio frequency device testing system comprising a radio frequency testing apparatus, characterized by further comprising a radio frequency device testing device according to any one of claims 1 to 9, said radio frequency testing apparatus being electrically connected to said cable connector.