Radio frequency test equipment

Abstract

The utility model provides a radio frequency test device which comprises a radio frequency shielding box, a radio frequency test tool is arranged in the radio frequency shielding box, a separable feeding and discharging door is arranged on the side edge of the radio frequency shielding box, the feeding and discharging door is provided with a fixing frame used for placing a product carrier, and the fixing frame is located in the radio frequency shielding box and matched with the radio frequency test tool. The fixing frame is provided with a sliding rail, the radio frequency shielding box is fixedly provided with a sliding block and a pushing force module, the sliding block supports the sliding rail, and the pushing force module pushes the feeding and discharging door to be away from or attached to the radio frequency shielding box. When a product test or a product carrier in the radio frequency shielding box is replaced, the radio frequency shielding box does not need to be disassembled, so that the test steps are simplified; the utility model belongs to the technical field of test equipment.

Description

Technical Field

[0001] The utility model belongs to the technical field of testing equipment, and in particular relates to radio frequency testing equipment. Background Art

[0002] The popularization of science and technology has changed people's lifestyles, especially the development and popularization of wireless communication technology, which has changed the way people communicate and shortened the distance between people. The requirements for the quality of mobile communications are also increasing. In order to achieve higher quality in mobile communications, the testing of communication signal transceiver components has become an extremely important part. In the process of RF testing of communication signal transceiver components, in order to avoid being affected by external factors, the testing work often needs to be completed in a RF shielding box to ensure the accuracy of the test results. Since the RF shielding box is a closed space, when changing different products for testing, it is necessary to disassemble the RF shielding box first, which makes the test operation more cumbersome. Utility Model Content

[0003] The purpose of the utility model is to provide a radio frequency testing device to solve the technical problem described in the background technology.

[0004] The radio frequency testing equipment comprises a radio frequency shielding box, a radio frequency testing fixture is arranged in the radio frequency shielding box, a detachable inlet and outlet door is arranged on the side of the radio frequency shielding box, a fixing frame for placing a product carrier is installed on the inlet and outlet door, the fixing frame is located in the radio frequency shielding box and cooperates with the radio frequency testing fixture, the fixing frame is installed with a slide rail, the radio frequency shielding box is fixed with a slider and a driving force module, the slider supports the slide rail, and the driving force module pushes the inlet and outlet door away from or close to the radio frequency shielding box;

[0005] According to the technical solution, after the product to be tested is placed in the product carrier, the feeding and discharging door is pushed to be close to the RF shielding box by the driving force module, so that the RF shielding box is in a closed state. At this time, the fixing frame is also pushed into the RF shielding box as the feeding and discharging door is close to the RF shielding box, thereby moving the product carrier on the fixing frame to a specific position of the RF shielding box, so that the RF test fixture tests the fixture in the product carrier. After completing the test of the product, the driving force module pushes the feeding and discharging door away from the RF shielding box. At this time, a part of the fixing frame on the feeding and discharging door is also moved out of the RF shielding box, thereby moving the product carrier on the fixing frame out of the RF shielding box, so as to facilitate the replacement of the tested product. Therefore, the utility model has the following beneficial effects:

[0006] 1. The utility model uses a driving force module to move the product carrier that places the product out of or into the RF shielding box, so that when changing different products for testing, there is no need to disassemble the RF shielding box, thereby simplifying the testing steps;

[0007] 2. After the product test is completed or in a waiting state, the driving force module pushes the product carrier on the fixed frame out of the RF shielding box to facilitate the replacement of product carriers adapted to different types of products, and the RF shielding box does not need to be disassembled when replacing the carrier;

[0008] 3. The utility model automatically moves the product carrier to a specific position of the RF shielding box through a driving force module, so that before testing the product, there is no need to manually adjust the position of the product in the RF shielding box, thereby further simplifying the test steps.

[0009] In order to further optimize the above technical solution, it can be optionally combined with one or more of the following implementation methods without conflict.

[0010] In some embodiments, the RF test fixture includes an upper mold frame for mounting the RF test upper mold assembly, and a detachable top cover is provided on the top of the RF shielding box, and the top cover is located above the upper mold frame;

[0011] According to the technical solution, the RF test upper mold assembly of the upper mold frame can be quickly disassembled and assembled by opening the top cover, thereby facilitating maintenance of the RF test upper mold assembly and replacement of the RF test upper mold assembly suitable for another type of product.

[0012] In some embodiments, the radio frequency shielding box is equipped with a buckle for fixing the top cover; according to the technical solution, the top cover can be firmly fixed to the radio frequency shielding box, thereby ensuring that the radio frequency shielding box is in a closed state during testing.

[0013] In some embodiments, the radio frequency test fixture includes a lower mold frame for mounting a probe module and a lifting power module for driving the lower mold frame to lift, and the lower mold frame is located below the fixed frame;

[0014] According to the technical solution, after the product carrier is transferred to a specific position of the RF shielding box, the lifting power module drives the probe module to rise, so that the probe module is connected to the product in the product carrier and energized, so that the product does not need to be wired and energized before the product carrier is transferred to the RF shielding box.

[0015] In some embodiments, the lower mold frame is installed with a lifting guide shaft, and a bearing sleeved on the lifting guide shaft is fixed in the RF shielding box; according to the technical solution, the lifting power module can drive the probe module to rise more stably.

[0016] In some embodiments, the driving force module is provided with a driving part, and the material inlet and outlet door is connected to the driving part with a detachable push plate;

[0017] According to the technical solution, the feed inlet and outlet doors can be separated from the driving force module, and all components on the feed inlet and outlet doors are also completely moved out of the RF shielding box, so that the RF shielding box appears at the door. Therefore, when replacing the probe module in the RF shielding box according to different product requirements, there is no need to disassemble the RF shielding box. The probe module of the RF shielding box can be replaced through the opening, thereby simplifying the steps of replacing the probe module.

[0018] In some embodiments, the RF test fixture includes a terminal block for electrically connecting to the RF test upper mold assembly and the probe module, and the terminal block is located next to the upper mold frame and the lower mold frame; according to the technical solution, it is convenient to connect and power on the replaced RF test upper mold assembly and probe module.

[0019] In some embodiments, a positioning member for limiting the position of the fixing frame is installed in the RF shielding box; according to the technical solution, the fixing frame is positioned when the fixing frame is pushed into the RF shielding box, so that the product carrier can be moved more accurately to a specific position of the RF shielding box. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation of the present invention, the following is a brief description of the drawings and reference numerals required to be used in the description of the specific implementation.

[0021] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0023] Figure 3 It is a front view projection diagram of the internal structure of the utility model;

[0024] Figure 4 It is a front projection diagram of the inlet and outlet door of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the upper mold frame of the utility model.

[0026] Reference numerals:

[0027] 1. RF shielding box; 11. Top cover; 12. Buckle; 2. Inlet and outlet door; 20. Push plate; 21. Fixed frame; 22. Slide rail; 23. Slider; 24. Propelling force module; 241. Driving unit; 25. Positioning part; 3. Upper mold frame; 4. Lower mold frame; 41. Lifting power module; 42. Lifting guide shaft; 43. Bearing; 5. Terminal block. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0029] like Figures 1 to 5 As shown, the specific method described herein provides a radio frequency testing device to perform radio frequency testing on components on a PCBA.

[0030] The radio frequency testing equipment comprises a radio frequency shielding box 1 , a detachable top cover 11 is arranged on the top of the radio frequency shielding box 1 , and a buckle 12 for fixing the top cover 11 is installed on the radio frequency shielding box 1 .

[0031] A detachable inlet and outlet door 2 is provided on the side of the radio frequency shielding box 1, and a fixing frame 21 for placing a product carrier is installed on the inlet and outlet door 2. The product carrier is used to place and fix the product. The product carrier can be fixed on the fixing frame 21 by screws. When the inlet and outlet door 2 is attached to the radio frequency shielding box 1, the fixing frame 21 is located in the radio frequency shielding box 1, and the fixing frame 21 is installed with a slide rail 22; the radio frequency shielding box 1 fixes a slider 23, a driving force module 24 and a positioning member 25, the slider 23 supports the slide rail 22, the driving force module 24 is provided with a driving part 241, the driving force module 24 drives the driving part 241 to move, and the driving force The module 24 can be selected as a cylinder or a screw module to push the driving part 241. The inlet and outlet door 2 is provided with a push plate 20 connected to the driving part 241. The push plate 20 can be connected to the driving part 241 by means of clips, buckles or screws, so that the push plate 20 can be separated from the driving part 241. When the push plate 20 is connected to the driving part 241, the driving force module 24 can push the inlet and outlet door 2 away from or close to the RF shielding box 1 through the push plate 20 and the driving part 241. When the inlet and outlet door 2 moves, it drives the fixed frame 21 to move in the RF shielding box 1. The positioning member 25 is used to limit the moving stroke of the fixed frame 21 in the RF shielding box 1.

[0032] A radio frequency test fixture is arranged in the radio frequency shielding box 1, and the radio frequency test fixture includes an upper mold frame 3, a lower mold frame 4, a lifting power module 41 and a wiring board 5;

[0033] The upper mold frame 3 is used to install the RF test upper mold assembly, which is a conventional device for emitting RF signals. The top cover 11 is located above the upper mold frame 3; the lower mold frame 4 is used to install the probe module, and the lifting power module 41 drives the lower mold frame 4 to lift and lower. The lifting power module 41 can choose to use a cylinder or a screw module and other mechanisms to drive the lower mold frame 4 to lift and lower. The lower mold frame 4 is located below the fixed frame 21. The lower mold frame 4 is equipped with a lifting guide shaft 42, and a bearing 43 is fixed in the RF shielding box 1 and is sleeved on the lifting guide shaft 42; the terminal block 5 is used to electrically connect with the RF test upper mold assembly and the probe module, and the terminal block 5 is located next to the upper mold frame 3 and the lower mold frame 4.

[0034] The following is an instruction for use of the radio frequency test equipment:

[0035] When replacing the adapted RF test upper mold assembly according to different products or maintaining the RF test upper mold assembly, the RF test upper mold assembly on the fixing frame 21 can be replaced or maintained by opening the top cover 11 .

[0036] When replacing the adapted probe module according to different products or maintaining the probe module, the push plate 20 can be separated from the driving part 241, and then the inlet and outlet door 2 is pulled outward from the RF shielding box 1, and the fixing frame 21 on the outlet door is also completely pulled out of the RF shielding box 1. At this time, a door is presented from the RF shielding box 1, and thereafter, the probe module installed on the lower mold frame 4 is replaced or maintained through the door.

[0037] When replacing the adapted product carrier according to different products or maintaining the product carrier, the driving force module 24 pushes the feed door 2 away from the RF shielding box 1. At this time, a part of the fixing frame 21 on the feed door 2 is also moved out of the RF shielding box 1, thereby moving the product carrier on the fixing frame 21 out of the RF shielding box 1. Thereafter, the product carrier on the fixing frame 21 is replaced or maintained.

[0038] When testing the product, the driving force module 24 pushes the inlet and outlet door 2 away from the RF shielding box 1. At this time, a part of the fixing frame 21 on the inlet and outlet door 2 is also moved out of the RF shielding box 1, so that the product carrier on the fixing frame 21 is moved out of the RF shielding box 1, and the product to be tested is placed in the product carrier. Thereafter, the driving force module 24 pushes the inlet and outlet door 2 to stick to the RF shielding box 1, so that the RF shielding box 1 is in a closed state, and the fixing frame 21 is also pushed into the RF shielding box 1 as the inlet and outlet door 2 sticks to the RF shielding box 1, so that the product carrier on the fixing frame 21 is moved to a specific position of the RF shielding box 1; thereafter, The lifting power module 41 drives the lower mold frame 4 to rise, so that the probe module installed on the lower mold frame 4 rises accordingly to contact the product in the product carrier and energize it. After that, the RF test upper mold assembly installed on the fixed frame 21 sends out an RF signal for the product in the product carrier to receive, so as to perform a test. After completing the test of the product, the driving force module 24 pushes the feed gate 2 away from the RF shielding box 1 again. At this time, a part of the fixed frame 21 on the feed gate 2 is also moved out of the RF shielding box 1 again, thereby moving the product carrier on the fixed frame 21 out of the RF shielding box 1. At this time, the product that has completed the test on the carrier is replaced.

[0039] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A radio frequency testing device, comprising a radio frequency shielding box (1), wherein a radio frequency testing fixture is arranged in the radio frequency shielding box (1), characterized in that: The RF shielding box (1) is provided with a detachable material inlet and outlet door (2) on the side thereof; the material inlet and outlet door (2) is provided with a fixing frame (21) for placing a product carrier; the fixing frame (21) is located in the RF shielding box (1) and cooperates with the RF test fixture; the fixing frame (21) is provided with a slide rail (22); the RF shielding box (1) is fixed with a slider (23) and a driving force module (24); the slider (23) supports the slide rail (22); the driving force module (24) pushes the material inlet and outlet door (2) away from or close to the RF shielding box (1).

2. A radio frequency testing device according to claim 1, characterized in that: The radio frequency test fixture comprises an upper mold frame (3) for mounting a radio frequency test upper mold assembly, and a detachable top cover (11) is provided on the top of the radio frequency shielding box (1), wherein the top cover (11) is located above the upper mold frame (3).

3. A radio frequency testing device according to claim 2, characterized in that: The radio frequency shielding box (1) is provided with a buckle (12) for fixing the top cover (11).

4. The radio frequency testing device according to claim 2, characterized in that: The radio frequency test fixture comprises a lower mold frame (4) for mounting a probe module and a lifting power module (41) for driving the lower mold frame (4) to lift and lower, and the lower mold frame (4) is located below the fixing frame (21).

5. The radio frequency testing device according to claim 4, characterized in that: The lower mold frame (4) is equipped with a lifting guide shaft (42), and a bearing (43) sleeved on the lifting guide shaft (42) is fixed inside the radio frequency shielding box (1).

6. The radio frequency testing device according to claim 4, characterized in that: The driving force module (24) is provided with a driving part (241), and the material inlet and outlet door (2) and the driving part (241) are connected with a detachable push plate (20).

7. The radio frequency testing device according to claim 6, characterized in that: The radio frequency test fixture comprises a wiring board (5) for electrically connecting to the radio frequency test upper mold assembly and the probe module, and the wiring board (5) is located beside the upper mold frame (3) and the lower mold frame (4).

8. The radio frequency testing device according to claim 1, characterized in that: A positioning member (25) for limiting the movement range of the fixing frame (21) is installed in the radio frequency shielding box (1).

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