Radio frequency testing device

Abstract

A radio frequency test device provided by the utility model comprises a test box, a pressure head, a PCB, a plurality of probes, a shielding cover assembly and a grating assembly, the test box is connected with a socket used for bearing a workpiece, the pressure head is used for crimping the socket, the PCB and the probes are arranged in the test box, the probes are in one-to-one correspondence with test points on the workpiece, the probes are used for connecting the test points on the workpiece and the PCB, and the shielding cover assembly is used for shielding the PCB. The shielding case assembly comprises a first shielding case covering the pressure head, a second shielding case covering the socket and a third shielding case covering the PCB, and the grating assembly is connected with the inlet of the test box and used for detecting whether articles or personnel enter the inlet or not. Compared with the prior art, the grating assembly is additionally arranged, once an object or a person gets close to or enters the entrance of the test box, the grating assembly can send a stop signal to the radio frequency test device, the radio frequency test device stops running, and the problem that the radio frequency test device cannot work when the worker enters a test area by mistake is solved. And electromagnetic radiation generated in the testing process of the radio frequency testing device can harm the health of workers.

Description

TECHNICAL FIELD

[0001] The utility model relates to test technology technical field especially relates to a radio frequency testing arrangement. BACKGROUND

[0002] With the rapid progress of science and technology, wireless communication technology plays an increasingly important role in modern society, and wireless communication equipment almost covers every corner of people's life, and these devices need to be strictly tested in the process of research and development, production, deployment and use to ensure that their performance meets the standards and can work stably and reliably.

[0003] However, the radio frequency testing device of the prior art has a defect that cannot be ignored, that is, it lacks effective protection mechanism, when the staff accidentally or accidentally enters the test area, the electromagnetic radiation generated in the test process of the radio frequency testing device will endanger the health of the staff, therefore, the prior art needs to be improved.

[0004] The above information is given as background information only to assist with understanding the present disclosure, and does not establish or acknowledge that any of the above is available as prior art with respect to the present disclosure. UTILITY MODEL CONTENT

[0005] The utility model provides a radio frequency testing arrangement to solve the radio frequency testing arrangement of prior art lacks effective protection mechanism, and the staff enters the test area, and the electromagnetic radiation generated in the radio frequency testing arrangement will endanger the health of the staff.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A radio frequency testing device, comprising:

[0008] A test box is connected with a socket for supporting a workpiece;

[0009] A pressure head is used for crimping the socket;

[0010] A PCB is arranged in the test box;

[0011] A plurality of probes are arranged in the test box, the probes correspond one-to-one to test points on the workpiece, and the probes are used for connecting the test points on the workpiece and the PCB;

[0012] A shielding cover assembly comprises a first shielding cover, a second shielding cover and a third shielding cover, the first shielding cover is used for covering the pressure head, the second shielding cover is used for covering the socket, and the third shielding cover is used for covering the PCB;

[0013] A grating assembly is connected to the entrance of the test box for detecting whether an article or a person enters the entrance.

[0014] Preferably, the pressing head comprises a guide rod cylinder, a connecting block connected to the telescopic end of the guide rod cylinder, and a plurality of first pressing blocks connected to the connecting block.

[0015] Preferably, the pressing head further comprises a second pressing block opposite to the workpiece and an elastic member having two ends connected to the first pressing block and the second pressing block.

[0016] Preferably, the radio frequency testing device further comprises a guide rail connected to the test box and a sliding block provided on the guide rail and connected to the guide rod cylinder.

[0017] Preferably, the radio frequency testing device further comprises a telescopic rod having a fixed end connected to the test box and a telescopic end connected to the sliding block.

[0018] Preferably, the radio frequency testing device further comprises a limiting block provided at two ends of the guide rail, a buffer connected to the limiting block, a guide column connected to the connecting block, and a guide hole provided in the second shielding cover corresponding to the position of the guide column.

[0019] Preferably, the pressing head, the shielding cover, the socket, the second shielding cover, and the PCB are filled with conductive foam and conductive silica gel in the gaps.

[0020] Preferably, the radio frequency testing device further comprises a folding handle connected to the test box.

[0021] Preferably, the radio frequency testing device further comprises a heat dissipation hole and a heat dissipation fan provided in the test box, and the test box is provided with the heat dissipation hole communicating the inside of the test box.

[0022] Preferably, the radio frequency testing device further comprises a pad block connected to the test box and provided with a plurality of anti-skid patterns, and a return spring having a first end connected to the test box and a second end connected to the pressing head.

[0023] Compared with the prior art, the radio frequency testing device has the following advantages:

[0024] The utility model provides a kind of radio frequency test device, it includes test box, pressure head, PCB, several probes, shield cover subassembly and grating subassembly, test box is connected with the socket for supporting workpiece, pressure head is used to crimp socket, PCB is located in test box, several probes are located in test box, probe and the test point on workpiece one-to-one correspondence, the test point for connecting workpiece of probe and PCB, shield cover subassembly includes first shield cover, second shield cover and third shield cover, first shield cover is used to cover pressure head, second shield cover is used to cover socket, third shield cover is used to cover PCB, grating subassembly connects the entrance of test box, for detecting whether article or personnel enters entrance. Compared with prior art, the utility model adds grating subassembly, once there is object or personnel near or enter the entrance of test box, grating subassembly will give radio frequency test device stop signal, radio frequency test device stops running, solve the problem that when staff misenters test area, the electromagnetic radiation generated by radio frequency test device can endanger the health of staff.

[0025] The utility model has other characteristics and advantages, which will be apparent from or set forth in more detail in the drawings and subsequent detailed description incorporated herein, which together serve to explain certain principles of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating creative labor.

[0027] Figure 1 It is the structure schematic view of radio frequency test device of the utility model;

[0028] Figure 2 It is still another structure schematic view of radio frequency test device of the utility model;

[0029] Figure 3 It is the structure schematic view of grating subassembly of the utility model;

[0030] Figure 4 It is the structure schematic view of first pressure block, second pressure block and elastic piece of the utility model.

[0031] Reference signs:

[0032] 1, test box; 2, first shielding cover; 3, connecting block; 4, first pressing block; 5, elastic piece; 6, second pressing block; 7, guide rod cylinder; 8, sliding block; 9, guide rail; 10, limiting block; 11, buffer; 12, guide column; 13, second shielding cover; 14, guide hole; 15, socket; 16, third shielding cover; 17, folding handle; 18, heat dissipation fan; 19, heat dissipation hole; 20, cushion block; 21, grating assembly; 22, return spring. DETAILED DESCRIPTION

[0033] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the following described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0034] In the description of the utility model, it should be understood that when one component is considered to be "connected" to another component, it can be directly connected to the other component or a component arranged in the middle can exist simultaneously. When one component is considered to be "arranged" on another component, it can be directly arranged on the other component or a component arranged in the middle can exist simultaneously.

[0035] In addition, the terms "long", "short", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model, and do not indicate or imply that the device or element referred to must have this specific orientation, be constructed in this specific orientation to operate, and cannot be understood as a limitation of the utility model.

[0036] The technical scheme of the utility model will be further illustrated below in combination with the drawings and through specific embodiments.

[0037] Please refer to Figures 1-4 The utility model designs a radio frequency test device, which comprises:

[0038] The test box 1 is connected with the socket 15 for supporting the workpiece;

[0039] The pressure head is used for crimping the socket 15;

[0040] The PCB is arranged in the test box 1;

[0041] The plurality of probes are arranged in the test box 1, the probes correspond one by one to the test points on the workpiece, and the probes are used for connecting the test points on the workpiece and the PCB;

[0042] The shield cover assembly comprises a first shield cover 2, a second shield cover 13 and a third shield cover 16, the first shield cover 2 is used for covering the pressure head, the second shield cover 13 is used for covering the socket 15, and the third shield cover 16 is used for covering the PCB.

[0043] The grating assembly 21 is connected at the entrance of the test box 1 and is used for detecting whether an article or a person enters the entrance.

[0044] It should be noted that, compared with the prior art, the grating assembly 21 is additionally arranged in the utility model, once an object or a person approaches or enters the entrance of the test box 1, the grating assembly 21 will give a stop signal to the radio frequency test device, and the radio frequency test device stops running, thereby solving the problem that the electromagnetic radiation generated by the radio frequency test device harms the health of the workers when the workers mistakenly enter the test area. The first shield cover 2, the second shield cover 13 and the third shield cover 16 form a relatively closed test environment, the shielding effect on external interference signals is good, the test on the workpiece is completed in the test environment, and the accuracy of the test result is greatly improved.

[0045] Specifically, the pressure head comprises a guide rod cylinder 7, the telescopic end of the guide rod cylinder 7 is connected with a connecting block 3, the connecting block 3 is connected with a plurality of first pressing blocks 4, and the first pressing blocks 4 correspond to the sockets 15 one by one.

[0046] Specifically, the pressure head further comprises a second pressing block 6 and an elastic piece 5, the second pressing block 6 faces the workpiece, and the two ends of the elastic piece 5 are connected with the first pressing block 4 and the second pressing block 6 respectively.

[0047] When the guide rod cylinder 7 is started to drive the telescopic end to move downward, the first pressing block 4 also moves in the direction close to the workpiece, the first pressing block 4 corresponds to the socket 15 one by one, the second pressing block 6 faces the workpiece, when moving to the first position, the first pressing block 4 is pressed to the socket 15, continues to move downward to the second position,

[0048] The second pressing block 6 abuts against the workpiece, the detection starts, after the detection is completed, the guide rod cylinder 7 is started to drive the telescopic end to move upward, the elastic piece 5 in the compressed state gradually restores to the original state, and the second pressing block 6 and the first pressing block 4 are pushed to move upward. Of course, it should be particularly pointed out that the elastic piece 5 of the utility model can absorb the impact and vibration of the workpiece in the process that the second pressing block 6 is pressed to the workpiece, so that the workpiece is prevented from being damaged.

[0049] Specifically, the radio frequency test device comprises a guide rail 9 and a sliding block 8, the guide rail 9 is connected with the test box 1, and the sliding block 8 is arranged on the guide rail 9 and connected with the guide rod cylinder 7.

[0050] Specifically, the radio frequency test device further comprises a telescopic rod, the fixed end of the telescopic rod is connected with the test box 1, and the telescopic end of the telescopic rod is connected with the sliding block 8.

[0051] The guide rail 9 is used as a running track of the sliding block 8, which ensures the movement accuracy of the pressure head. The sliding block 8 slides on the guide rail 9, and the telescopic end of the telescopic rod is connected with the sliding block 8. By adjusting the length of the telescopic rod, the position of the sliding block 8 and the pressure head can be further fine-tuned. During testing, the telescopic rod is first started, and when the first pressure block 4 moves to the position directly above the socket 15, the telescopic rod is turned off. The guide rod cylinder 7 is used to make the second pressure block 6 press the workpiece and the first pressure block 4 press the socket 15, so that the workpiece enters the testing state.

[0052] Specifically, the radio frequency testing device further comprises a limiting block 10, a guide column 12 and a guide hole 14. The limiting block 10 is arranged at both ends of the guide rail 9, and a buffer 11 is connected to the limiting block 10. The connecting block 3 is connected with the guide column 12, and the second shielding cover 13 is provided with the guide hole 14 corresponding to the position of the guide column 12.

[0053] The limiting block 10 is arranged at both ends of the guide rail 9, which is used to limit the movement range of the sliding block 8 and prevent it from exceeding the predetermined position. The buffer 11 is connected to the limiting block 10, which can absorb the impact energy before the sliding block 8 contacts the limiting block 10, thereby reducing the impact on the limiting block 10. The guide column 12 is connected to the connecting block 3, which cooperates with the guide hole 14 on the second shielding cover 13 to provide accurate guidance for the movement of the pressure head.

[0054] Specifically, the pressure head, the socket 15 and the second shielding cover 13, and the gap between the PCB and the third shielding cover 16 are filled with conductive foam and conductive silicone. The conductive foam and the conductive silicone have good conductivity and sealing performance, which can effectively prevent external electromagnetic from entering the test area from the gap and interfere with the test, thereby ensuring the accuracy and reliability of the test.

[0055] Specifically, the radio frequency testing device further comprises a folding handle 17, and the folding handle 17 is connected to the test box 1. The folding handle 17 is convenient for users to carry and move the testing device, and can be folded when not in use, thereby saving space.

[0056] Specifically, the radio frequency testing device further comprises a heat dissipation hole 19 and a heat dissipation fan 18. The heat dissipation fan 18 is arranged in the test box 1, and the test box 1 is provided with the heat dissipation hole 19 which is in communication with the inside of the test box 1. The heat dissipation fan 18 and the heat dissipation hole 19 cooperate to timely discharge the heat generated during the test, thereby avoiding overheating and causing the performance of the radio frequency testing device to decrease or be damaged.

[0057] Specifically, the radio frequency testing device further comprises a pad 20 and a return spring 22. The pad 20 is connected to the test box 1 and is provided with a plurality of anti-skid patterns. The first end of the return spring 22 is connected to the test box 1, and the second end of the return spring 22 is connected to the pressure head.

[0058] The cushion block 20 increases the friction between the test box 1 and the placement surface, preventing the radio frequency test device from sliding or shifting during the test process; the reset spring 22 is connected between the test box 1 and the pressure head, and when the pressure head completes the crimping task and needs to be reset, the reset spring 22 can provide sufficient elastic force to quickly return the pressure head to the initial position.

[0059] Up to now, 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 they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; 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 radio frequency test device, characterized by, It comprises: a test box connected with a socket for supporting a workpiece; a pressure head for crimping the socket; a PCB arranged in the test box; a plurality of probes arranged in the test box, the probes corresponding one-to-one to test points on the workpiece, the probes being used to connect the test points on the workpiece and the PCB; a shielding cover assembly comprising a first shielding cover, a second shielding cover and a third shielding cover, the first shielding cover being used to cover the pressure head, the second shielding cover being used to cover the socket, and the third shielding cover being used to cover the PCB; a grating assembly connected to the entrance of the test box for detecting whether an article or a person enters the entrance.

2. The radio frequency test device of claim 1, wherein: The pressure head comprises a guide rod cylinder, the telescopic end of the guide rod cylinder being connected with a connecting block, the connecting block being connected with a plurality of first pressing blocks, the first pressing blocks corresponding one-to-one to the socket.

3. The radio frequency test device of claim 2, wherein: It further comprises a second pressing block and an elastic member, the second pressing block being opposite to the workpiece, and the two ends of the elastic member being connected with the first pressing blocks and the second pressing block respectively.

4. The radio frequency test device of claim 2, wherein: It comprises a guide rail and a sliding block, the guide rail being connected with the test box, and the sliding block being arranged on the guide rail and connected with the guide rod cylinder.

5. The radio frequency test device of claim 4, wherein: It further comprises a telescopic rod, the fixed end of the telescopic rod being connected with the test box, and the telescopic end of the telescopic rod being connected with the sliding block.

6. The radio frequency test device of claim 4, wherein: It further comprises a limiting block, a guide column and a guide hole, the limiting block being arranged at both ends of the guide rail, a bumper being connected to the limiting block, the connecting block being connected with the guide column, and the second shielding cover being provided with the guide hole corresponding to the position of the guide column.

7. The radio frequency test device of claim 1, wherein: The gaps between the pressure head and the shielding cover, the socket and the second shielding cover, and the PCB and the third shielding cover are filled with conductive foam and conductive silicone.

8. The radio frequency test device of claim 1, wherein: It further comprises a folding handle connected with the test box.

9. The radio frequency test device of claim 1, wherein: It further comprises a heat dissipation hole and a heat dissipation fan, the heat dissipation fan being arranged in the test box, the test box being provided with a heat dissipation hole, and the heat dissipation hole being communicated with the inside of the test box.

10. The radio frequency test device of claim 1, wherein: It further comprises a pad and a return spring, the pad being connected with the test box and being provided with a plurality of anti-slip patterns, the first end of the return spring being connected with the test box, and the second end of the return spring being connected with the pressure head.

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