Radio frequency module fast locking test fixture

Abstract

The invention relates to the field of radio frequency module testing, and discloses a radio frequency module fast locking test fixture, which comprises a mounting rack and a plurality of fast locking assemblies, and is characterized in that the mounting rack is provided with a mounting plate; the quick locking assembly is slidably connected to the mounting frame, the quick locking assembly comprises a module pressing block and a fixing rod, the module pressing block is connected to the fixing rod in a vertically adjustable mode, in a working state, a test module is located at the upper end of the mounting plate, and the module pressing block is connected to the upper end of the test module in a pressing mode. The beneficial effects of the invention are that when each module is tested, the magnitude and the distribution of the positive pressure from the module pressing block borne by each module are highly consistent, the bending of a module PCB and the internal micro-damage of components caused by non-uniform stress are avoided, the potential mechanical fatigue accumulation is effectively prevented, and the reliability of the module is improved. And the long-term reliability and the service life of the product are guaranteed.

Description

Technical Field

[0001] This invention relates to the field of radio frequency module testing, and more specifically to a quick-lock test fixture for radio frequency modules. Background Technology

[0002] As a key component of electronic systems such as communication, radar, and navigation, the testing of radio frequency (RF) modules directly determines whether their performance meets design specifications. The testing process must focus on core RF parameters, including signal frequency, power, gain, noise figure, linearity (such as third-order intermodulation), and impedance matching. Simultaneously, it is necessary to verify the module's stability under different environmental conditions (such as high and low temperatures, and humidity variations) to ensure reliable operation in complex environments. During testing, the RF module must be precisely fixed using specialized testing fixtures to ensure stable connection between the module and the RF interface of the testing instruments (such as signal generators, spectrum analyzers, and vector network analyzers), avoiding data distortion caused by poor contact or misalignment.

[0003] Existing test fixtures have multiple bolts that press against different locations on the test module. During installation, operators must tighten each bolt individually, a time-consuming process. Furthermore, unavoidable individual differences and operational inertia cause uneven mechanical stress on the RF module during testing. Areas with lower pressure may experience increased contact resistance, leading to signal attenuation or impedance mismatch, thus introducing test errors. This causes measured RF performance (such as power and sensitivity) to deviate from its true value, resulting in a sharp drop in repeatability and reliability. Secondly, points with excessive localized pressure can cause micro-deformation of the module's PCB, potentially leading to abnormal internal connections or parameter drift in surface-mount components (such as crystal oscillators and filters), or even intermittent soft faults during testing, significantly interfering with accurate assessment of the module's quality. More seriously, this cyclical mechanical stress accelerates wear between the probes and module contacts, accumulating potential mechanical fatigue damage within the module and jeopardizing long-term product reliability. Summary of the Invention

[0004] The technical problem this invention aims to solve is that existing test fixtures use multiple bolts to apply pressure to multiple locations on the test module, resulting in uneven force on the RF module during testing. This leads to the accumulation of potential mechanical fatigue damage inside the module, posing a threat to the long-term reliability of the product. The purpose is to provide a quick-lock test fixture for RF modules that ensures that the magnitude and distribution of the positive pressure from the module clamping blocks are highly consistent for each module during testing. This avoids PCB board bending and micro-damage to components caused by uneven force, effectively preventing the accumulation of potential mechanical fatigue and ensuring the long-term reliability and service life of the product.

[0005] This invention is achieved through the following technical solution: A quick-lock test fixture for an RF module includes a mounting bracket and several quick-lock assemblies. A mounting plate is mounted on the mounting bracket. Each quick-lock assembly is slidably connected to the mounting bracket and includes a module clamping block and a fixing rod. The module clamping block is vertically adjustable and connected to the fixing rod. In the working state, the test module is located at the upper end of the mounting plate, and the module clamping block presses against the upper end of the test module.

[0006] The beneficial effects of this invention are that by setting a mounting plate and a sliding quick-lock assembly on the mounting frame, and equipping the quick-lock assembly with a vertically adjustable module pressure block, the operator can easily place the test module into the fixture and roughly position it during operation. Then, the operator only needs to trigger the quick-lock mechanism with one hand to make the module pressure block descend uniformly and vertically until its bottom is flatly pressed against the preset force-bearing surface of the test module. This ensures that the magnitude and distribution of the positive pressure from the pressure block on each module during testing are highly consistent, fundamentally eliminating the drawbacks caused by excessive or insufficient local stress. It also ensures the stability of the contact resistance between the module's RF contacts and the test probes, thereby greatly improving the repeatability and accuracy of test data. Furthermore, it avoids bending of the module PCB board and micro-damage to internal components caused by uneven force, effectively preventing potential mechanical fatigue accumulation and providing a guarantee for the long-term reliability and service life of the product.

[0007] In some embodiments, the mounting bracket is square-shaped, with a left side plate and a right side plate on each side. Several debugging cables are mounted on both the left and right side plates. The two ends of the mounting plate are adjustablely connected to the top of the left and right side plates, respectively. Several connectors are provided on the mounting plate, each connecting to a corresponding cable. These connectors can be plugged into corresponding connectors on the test module. Several guide pins are provided on the mounting plate, engaging with positioning holes on the test module. By providing connectors on the mounting plate, it is convenient to first mate the connectors on the test module with the connectors on the mounting plate to form an electrical connection during test module installation, and then connect the connectors on the mounting plate to the cables to obtain test data from the test module. Furthermore, the guide pins engaging with the positioning holes position the test module, enabling rapid installation of the test module on the mounting plate and improving installation efficiency.

[0008] In some embodiments, the mounting bracket further includes two sliding rods. Support rods are installed at each of the four top corners of the mounting bracket, and several support rods are vertically arranged. The two ends of each sliding rod are connected to the top of a corresponding support rod. Both sliding rods are arranged along the length of the mounting bracket. The two ends of a fixing rod are slidably connected to the corresponding sliding rod. By providing support rods, a certain spatial distance is created between the sliding rods and the mounting plate, facilitating the installation of the quick-lock assembly and allowing for the upward and downward movement of the module pressure block.

[0009] In some embodiments, the quick-lock assembly further includes a fixing block and an adjusting slider. The fixing block is fixedly connected to one end of the fixing rod, and the adjusting slider is connected to the other end of the fixing rod and can be adjusted along the length of the fixing rod. The module pressing block is connected to the middle of the fixing rod. When the module pressing block is pressed onto the test module, both ends of the module pressing block abut against the fixing block and the adjusting slider, respectively. By setting the fixing block to axially limit the module pressing block, it is convenient to adjust the height of the module pressing block and the pressure applied to the test module by adjusting the position of the adjusting slider during installation.

[0010] In some embodiments, the fixed block has a first inclined surface at one end adjacent to the module pressure block, and the adjusting slider has a second inclined surface at one end adjacent to the module pressure block. The tops of both the first and second inclined surfaces are inclined toward the module pressure block. The module pressure block has third inclined surfaces at both ends that slide in cooperation with the first and second inclined surfaces. Through the sliding cooperation between the first and second inclined surfaces and the third inclined surface on the module pressure block, when the adjusting slider is pushed, the lateral movement of the adjusting slider is converted into the vertical movement of the module pressure block. Its symmetrical design ensures that the pressure block remains horizontal when descending, thereby uniformly transmitting pressure to the entire test module and fundamentally solving the problem of uneven force distribution. Simultaneously, this inclined surface structure generates a self-locking effect after clamping. The enormous vertical pressure creates a frictional force between the contact surfaces sufficient to counteract external forces, effectively preventing loosening due to vibration or other reasons during testing and ensuring the stability of the clamped state.

[0011] In some embodiments, a flexible pad is provided at the bottom of the module pressing block. By providing a flexible pad at the bottom of the module pressing block to buffer pressure impacts and avoid local overpressure damage to the module, it can also fill tiny gaps, thereby improving fixing stability and fit, and further enhancing the reliability of pressing due to the increased contact area.

[0012] In some embodiments, the module pressing block has a U-shaped cross-section, and a guide block is connected to the bottom of the fixing rod. The guide block is located inside the module pressing block, and its two sides slide against the two side walls of the inner cavity of the module pressing block. Because when the pressing head at the bottom of the module pressing block contacts the module surface and finally presses it down, an upward reaction force is generated. This force creates a torque on the entire pressing mechanism, attempting to warp it. Therefore, the design of the U-shaped structure surrounding the guide block provides excellent anti-torsional stiffness, effectively counteracting this torque and ensuring a stable pressing process without seesaw-like imbalance. Simultaneously, it strictly limits the movement trajectory of the module pressing block, allowing it to move only vertically and eliminating horizontal swaying and rotation.

[0013] In some embodiments, the quick-lock assembly further includes several elastic elements, one end of which is connected to the fixed rod, and the other end is connected to the inner cavity of the module pressure block. When the slider moves away from the module pressure block, the elastic elements' restoring force allows the module pressure block to automatically move upwards, preventing the pressure block from failing to fully lift due to vacuum suction or slight friction. This also provides unobstructed space for the operator to replace the next test module, improving operational smoothness and speed. Furthermore, the elastic elements effectively prevent the module pressure block from falling due to its own weight or accidental causes and damaging the test module or test probe, thus improving the safety and reliability of the equipment.

[0014] In some embodiments, the quick-lock assembly further includes a limiting rod and a screw. The limiting rod is connected to the lower end of the fixed rod. The adjusting slider has a U-shaped cross-section and is axially slidably fitted onto the outside of the limiting rod. A threaded hole is provided along the length of the limiting rod. A through hole is provided at the end of the adjusting slider away from the second inclined surface. A boss is provided on the screw. The screw passes through the through hole and engages with the threaded hole. A locking nut is screwed onto the screw. The two sides of the adjusting slider abut against the locking nut and the boss, respectively. By rotating the screw, the adjusting slider can be driven to move precisely axially along the limiting rod. This allows for precise control of how far the module pressure block descends. Furthermore, by adjusting this stroke of the screw, it can be ensured that the elastic element (spring) is stretched to the optimal working range, thereby applying the most ideal and consistent clamping force to different test modules.

[0015] In some embodiments, a scale is provided at the lower end of the fixing rod, located at the end of the fixing rod away from the fixing block and extending along the length of the fixing rod. A direct and quantifiable correspondence is established between the scale and the final clamping force. Whether changing operators, switching production batches, or moving between different workstations, simply positioning the adjusting slider at the specified scale position (during initial debugging, the optimal pressure point applied to the module can be found using instruments, and the scale reading at this point can be recorded) allows for quick and accurate reproduction of the exact same clamping force, completely eliminating the differences in human perception and experience, and ensuring consistent clamping force for the same model of module blocks.

[0016] Compared with the prior art, the present invention has the following advantages and beneficial effects: 1. After the operator places the test module into the fixture and roughly positions it, they only need to trigger the quick-lock mechanism with one hand to make the module pressure block descend at a uniform speed and vertically. This ensures that the magnitude and distribution of the positive pressure from the pressure block on each module are highly consistent during testing, fundamentally eliminating the drawbacks caused by excessive or insufficient local stress. It also ensures the stability of the contact resistance between the module's RF contacts and the test probes, thereby greatly improving the repeatability and accuracy of the test data. Furthermore, it avoids bending of the module's PCB board and micro-damage to internal components caused by uneven force, effectively preventing potential mechanical fatigue accumulation and providing a guarantee for the long-term reliability and service life of the product.

[0017] 2. Through the sliding cooperation of the first inclined surface, the second inclined surface and the third inclined surface on the module pressure block, when the adjusting slider is pushed, the lateral movement of the adjusting slider is converted into the vertical movement of the module pressure block. Its symmetrical design ensures that the pressure block always remains horizontal when it moves downward, thereby evenly transmitting the pressure to the entire test module and fundamentally solving the problem of uneven force distribution. At the same time, the inclined surface structure can generate a self-locking effect after being pressed. The huge vertical pressure forms a frictional force between the contact surfaces that is sufficient to resist external forces, effectively preventing loosening caused by vibration and other reasons during the test and ensuring the stability of the pressed state.

[0018] 3. A direct and quantifiable correspondence is established between the scale and the final clamping force. Whether changing operators, switching production batches, or between different workstations, it is only necessary to simply position the adjusting slider at the specified scale position (during the initial debugging, the optimal pressure point applied to the module can be found by measuring with the instrument and recording the scale reading at this time) to quickly and accurately reproduce the exact same clamping force, completely eliminating the difference between human feeling and experience, and ensuring that the clamping force of the same model of module clamping block is consistent. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of the present invention and should not be considered as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort. In the drawings: Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a partial structural diagram of the present invention; Figure 3 This is a structural diagram of the quick-lock assembly in this invention; Figure 4 In this invention Figure 3 Axial center section view; Figure 5 This is a structural diagram of the quick-lock component crimping test module in this invention; Figure 6 In this invention Figure 5 Axial center section view.

[0020] The attached diagram shows the markings and corresponding component names: Mounting bracket 1, quick-lock assembly 2, cable 3, left side plate 4, base plate 5, right side plate 6, reinforcing rod 7, support rod 8, slide rod 9, mounting plate 10, flexible pad 11, guide pin 12, fixing rod 13, limit rod 14, fixing block 15, module pressure block 16, flexible pad 17, first pin 18, adjusting slider 19, screw 20, knob 21, second pin 22, elastic element 23, guide block 24. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of the present invention are only used to explain the present invention and are not intended to limit the present invention.

[0022] Throughout this specification, references to "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in connection with that embodiment or example is included in at least one embodiment of the invention. Therefore, the phrases "an embodiment," "an example," "an example," or "an example" appearing in various places throughout the specification do not necessarily refer to the same embodiment or example. Furthermore, specific features, structures, or characteristics can be combined in one or more embodiments or examples in any suitable combination and / or sub-combination. Moreover, those skilled in the art will understand that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0023] In the description of this invention, the terms "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this invention.

[0024] The terms "first," "second," etc., used in this invention are merely for clarity of description and are not intended to limit any order or emphasize importance. Furthermore, the term "connection" as used herein, unless otherwise specified, can refer to a direct connection or an indirect connection via other components. Example

[0025] like Figures 1-6 As shown, to solve the problem of uneven force caused by manual tightening of screws during RF module testing, this embodiment provides an RF module quick-lock test fixture, including a mounting frame 1 and several quick-lock components 2. A mounting plate 10 is mounted on the mounting frame 1. The mounting plate 10 is horizontally mounted on the mounting frame. The quick-lock components 2 are slidably connected to the mounting frame 1. The quick-lock components 2 include a module pressing block 16 and a fixing rod 13. The module pressing block 16 is vertically adjustable and connected to the fixing rod 13. In the working state, the test module is located at the upper end of the mounting plate 10, and the module pressing block 16 presses against the upper end of the test module. This ensures that the magnitude and distribution of the positive pressure from the pressure block are highly consistent for each module during testing, fundamentally eliminating the drawbacks caused by excessive or insufficient local stress. It guarantees the stability of the contact resistance between the module's RF contacts and the test probes, thereby greatly improving the repeatability and accuracy of test data. It also avoids bending of the module's PCB board and micro-damage to components caused by uneven stress, effectively preventing potential mechanical fatigue accumulation and ensuring the long-term reliability and service life of the product.

[0026] See Figure 1 and Figure 2 The mounting frame 1 is square-shaped, with a left side plate 4 and a right side plate 6 on each side. Several debugging cables 3 are mounted on both sides of the mounting frame 10. The two ends of the mounting plate 10 are adjustablely connected to the tops of the left side plate 4 and the right side plate 6, respectively. Several connectors are provided on the mounting plate 10, each connecting to a corresponding cable 3. These connectors can be plugged into corresponding connectors on the test module. Several guide pins 12 are provided on the mounting plate 10, which engage with positioning holes on the test module. By providing connectors on the mounting plate 10, it is convenient to first mate the connectors on the test module with the connectors on the mounting plate 10 to form an electrical connection during test module installation, and then connect the connectors on the mounting plate 10 to the cables 3 to obtain test data from the test module. Furthermore, the guide pins 12 engage with the positioning holes to position the test module, enabling rapid installation of the test module onto the mounting plate 10 and improving installation efficiency.

[0027] Specifically, see Figure 2The mounting plate 10 is provided with several flexible pads 11. In the working state, the bottom of the test module is connected to the upper end of the flexible pads 11.

[0028] See Figure 1 and Figure 2 The mounting frame 1 also includes two sliding rods 9. Support rods 8 are installed at each of the four top corners of the mounting frame 1, and several support rods 8 are vertically arranged. The two ends of each sliding rod 9 are connected to the top of the corresponding support rod 8. Both sliding rods 9 are arranged along the length of the mounting frame 1. The two ends of the fixing rod 13 are slidably connected to the corresponding sliding rod 9. By setting the support rods 8, a certain spatial distance is maintained between the sliding rods 9 and the mounting plate 10, facilitating the installation of the quick-lock assembly 2 and providing space for the module pressure block 16 to move up and down.

[0029] See Figure 2 The mounting frame 1 also includes a base plate 5 and a reinforcing rod 7. The reinforcing rod 7 is connected to both ends of the mounting frame 1, and the base plate 5 is connected to the bottom of the left side plate 4 and the right side plate 6.

[0030] See Figures 1-6 The quick-lock assembly 2 further includes a fixing block 15 and an adjusting slider 19. The fixing block 15 is fixedly connected to one end of the fixing rod 13, and the adjusting slider 19 is connected to the other end of the fixing rod 13 and can be adjusted along the length of the fixing rod 13. The module pressing block 16 is connected to the middle of the fixing rod 13. When the module pressing block 16 is pressed onto the test module, both ends of the module pressing block 16 abut against the fixing block 15 and the adjusting slider 19, respectively. By setting the fixing block 15 to axially limit the module pressing block 16, it is convenient to adjust the height of the module pressing block 16 and the pressure value applied to the test module by adjusting the position of the adjusting slider 19 during installation.

[0031] See Figures 2-6The fixed block 15 has a first inclined surface at one end adjacent to the module pressure block 16, and the adjusting slider 19 has a second inclined surface at one end adjacent to the module pressure block 16. The tops of both the first and second inclined surfaces are inclined towards the module pressure block 16. The module pressure block 16 has third inclined surfaces at both ends that slide in cooperation with the first and second inclined surfaces. Through the sliding cooperation between the first and second inclined surfaces and the third inclined surface on the module pressure block 16, when the adjusting slider 19 is pushed, its lateral movement is converted into the vertical movement of the module pressure block 16. Its symmetrical design ensures that the pressure block remains horizontal when descending, thus uniformly transmitting pressure to the entire test module and fundamentally solving the problem of uneven force distribution. Simultaneously, this inclined surface structure generates a self-locking effect after clamping, and the enormous vertical pressure creates sufficient friction between the contact surfaces to counteract external forces, effectively preventing loosening due to vibration or other reasons during testing and ensuring the stability of the clamped state.

[0032] See Figures 2-6 The bottom of the module pressing block 16 is provided with a flexible pad 17. By providing a flexible pad 17 at the bottom of the module pressing block 16 to buffer pressure impact, local overpressure damage to the module is avoided. At the same time, it can also fill small gaps, which not only improves the fixing stability and fit, but also enhances the reliability of pressing due to the increased contact area.

[0033] Specifically, the flexible pad 17 may be made of silicone or rubber.

[0034] See Figures 2-6 The module pressing block 16 has a U-shaped cross-section. A guide block 24 is connected to the bottom of the fixing rod 13. The guide block 24 is located inside the module pressing block 16, and its two sides slide against the two side walls of the inner cavity of the module pressing block 16. When the pressure head at the bottom of the module pressing block 16 contacts the module surface and finally presses it down, an upward reaction force is generated. This force creates a torque on the entire pressing mechanism, attempting to warp it. Therefore, the design of the U-shaped structure surrounding the guide block 24 provides excellent anti-torsional stiffness, effectively counteracting this torque and ensuring a stable pressing process without seesaw-like imbalance. Simultaneously, it strictly limits the movement trajectory of the module pressing block 16, allowing it to move only vertically and eliminating horizontal swaying and rotation.

[0035] See Figures 2-6The quick-lock assembly 2 also includes several elastic elements 23. One end of each elastic element 23 is connected to the fixed rod 13, and the other end is connected to the inner cavity of the module pressure block 16. When the adjusting slider 19 moves away from the module pressure block 16, the elastic elements 23's restoring force allows the module pressure block 16 to automatically move upwards, preventing the pressure block from failing to fully lift due to vacuum suction or slight friction. This also provides unobstructed space for the operator to replace the next test module, improving operational smoothness and speed. Furthermore, the elastic elements 23 prevent the module pressure block 16 from falling due to its own weight or accidental causes and damaging the test module or test probe, thus improving the safety and reliability of the equipment.

[0036] See Figure 4 The fixed block 15 has a U-shaped cross section. The end of the fixed rod 13 away from the adjusting slider 19 is connected to the limiting rod 14. The fixed block 15 is sleeved on the limiting rod 14 and fixedly connected to the limiting rod 14 by screws.

[0037] See Figures 2-6 The quick-lock assembly 2 also includes a limiting rod 14 and a screw 20. The limiting rod 14 is connected to the lower end of the fixed rod 13. The adjusting slider 19 has a U-shaped cross-section and is axially slidably fitted onto the outside of the limiting rod 14. A threaded hole is provided along the length of the limiting rod 14. A through hole is provided at the end of the adjusting slider 19 away from the second inclined surface. A boss is provided on the screw 20. The screw 20 passes through the through hole and engages with the threaded hole. A locking nut is screwed onto the screw 20. The two sides of the adjusting slider 19 abut against the locking nut and the boss, respectively. By rotating the screw 20, the adjusting slider 19 can be driven to move precisely axially along the limiting rod 14. This allows for precise control of how far the module pressure block 16 descends. Furthermore, by adjusting the stroke of the screw 20, it can be ensured that the elastic element 23 (spring) is stretched to the optimal working range, thereby applying the most ideal and consistent clamping force to different test modules.

[0038] Specifically, the elastic element 23 can be a compression spring, a wave spring, or a silicone rubber column. The upper end of the elastic element 23 is connected to the fixed rod 13 via a second pin 22, and the lower end is connected to the module pressure block 16 via a first pin 18.

[0039] See Figures 2-6A scale is provided at the lower end of the fixing rod 13. The scale is located at the end of the fixing rod 13 away from the fixing block 15 and extends along the length of the fixing rod 13. A direct and quantifiable correspondence is established between the scale and the final clamping force. Whether changing operators, switching production batches, or between different workstations, it is only necessary to simply position the adjusting slider 19 at the specified scale position (during initial debugging, the optimal pressure point applied to the module can be found by measuring with instruments and recording the scale reading at this time) to quickly and accurately reproduce the exact same clamping force, completely eliminating the difference of human feeling and experience, and ensuring consistent clamping force for the same model of module pressure block 16. A knob 21 is also provided at the end of the screw 20 away from the limiting rod 14.

[0040] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A quick-lock test fixture for an RF module, characterized in that, include: Mounting frame, on which mounting plates are mounted; Several quick-lock assemblies are slidably connected to the mounting bracket. Each quick-lock assembly includes a module pressing block and a fixing rod. The module pressing block is vertically adjustable and connected to the fixing rod. In the working state, the test module is located at the upper end of the mounting plate, and the module pressing block is pressed against the upper end of the test module.

2. The RF module quick-lock test fixture according to claim 1, characterized in that, The mounting bracket is square-shaped, with a left side plate and a right side plate on each side. Several debugging cables are mounted on both the left and right side plates. The two ends of the mounting plate are adjustablely connected to the top of the left side plate and the top of the right side plate, respectively. Several connectors are provided on the mounting plate, which are connected to the corresponding cables and can be plugged into the corresponding connectors on the test module. Several guide pins are provided on the mounting plate, which are used to cooperate with the positioning holes of the test module.

3. The RF module quick-lock test fixture according to claim 1, characterized in that, The mounting bracket also includes two sliding rods. Support rods are installed at the four corners of the top of the mounting bracket. Several support rods are vertically arranged. The two ends of the two sliding rods are respectively connected to the top of the corresponding support rods. The two sliding rods are arranged along the length of the mounting bracket. The two ends of the fixing rod are slidably connected to the corresponding sliding rods.

4. The RF module quick-lock test fixture according to claim 1, characterized in that, The quick-lock assembly also includes a fixing block and an adjusting slider. The fixing block is fixedly connected to one end of the fixing rod, and the adjusting slider is connected to the other end of the fixing rod and can be adjusted along the length of the fixing rod. The module pressing block is connected to the middle of the fixing rod. When the module pressing block is pressed onto the test module, both ends of the module pressing block abut against the fixing block and the adjusting slider, respectively.

5. The RF module quick-lock test fixture according to claim 4, characterized in that, The fixed block has a first inclined surface at one end adjacent to the module pressing block, and the adjusting slider has a second inclined surface at one end adjacent to the module pressing block. The tops of the first and second inclined surfaces are both inclined toward the module pressing block. The two ends of the module pressing block are respectively provided with a third inclined surface that slides in cooperation with the first and second inclined surfaces.

6. The RF module quick-lock test fixture according to claim 4, characterized in that, A flexible pad is provided at the bottom of the module pressure block.

7. The RF module quick-lock test fixture according to claim 4, characterized in that, The module pressure block has a U-shaped cross-section. The bottom of the fixing rod is connected to a guide block, which is located inside the module pressure block. The two sides of the guide block are slidably engaged with the two side walls of the inner cavity of the module pressure block.

8. The RF module quick-lock test fixture according to claim 1, characterized in that, The quick-lock assembly also includes several elastic elements, one end of which is connected to the fixed rod and the other end is connected to the inner cavity of the module pressure block.

9. The RF module quick-lock test fixture according to claim 5, characterized in that, The quick-lock assembly also includes a limiting rod and a screw. The limiting rod is connected to the lower end of the fixed rod. The adjusting slider has a U-shaped cross-section and is axially slidably sleeved on the outside of the limiting rod. A threaded hole is provided along the length direction of the limiting rod. A through hole is provided at the end of the adjusting slider away from the second inclined surface. A boss is provided on the screw. The screw passes through the through hole and engages with the threaded hole. A locking nut is screwed on the screw. The two sides of the adjusting slider abut against the locking nut and the boss, respectively.

10. The RF module quick-lock test fixture according to claim 9, characterized in that, A scale is provided at the lower end of the fixing rod. The scale is located at the end of the fixing rod away from the fixing block and extends along the length of the fixing rod.

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