Multi-specification electrical module test tool

Abstract

The invention belongs to the technical field of testing tools, and discloses a multi-specification electrical module testing tool which comprises a base box, the top of the base box is fixedly connected with an air cylinder through a support, the output end of the air cylinder is fixedly connected with a lifting rod, and the bottom of the lifting rod is fixedly connected with an adjustable pressing plate. A supporting table is fixedly connected to the base box through a spring, first L-shaped rods are symmetrically and fixedly connected to the supporting table, and an adjustable platform is arranged on the supporting table. The air cylinder and the lifting rod drive the adjustable pressing plate and the transmission part to move downwards, when the transmission part drives the adjustable platform and the electronic component to pass through the upper dust collection sleeve, the draught fan forms negative pressure through the lifting pipe to efficiently adsorb impurities at the pins, meanwhile, the impurities are filtered and collected in cooperation with the drawable filtering assembly, and the automatic cleaning effect is achieved; impurities such as soldering tin slag and dust can be efficiently removed without manual intervention, the test accuracy is guaranteed, and the test efficiency is effectively improved.

Description

Technical Field

[0001] This invention belongs to the field of testing fixture technology, specifically a multi-specification electrical module testing fixture. Background Technology

[0002] In high-end power electronic equipment and new energy systems, such as DC converter transformers and intelligent reactors in smart grids, as well as new energy power generation equipment like photovoltaic inverters and energy storage converters, their reliable operation relies heavily on the normal operation of key internal electronic components (such as power boards, power modules, and control circuit boards). These components typically perform functions such as power conversion, voltage regulation, isolation, protection, and intelligent control, and their performance directly determines the overall efficiency, safety, and lifespan of the system. Therefore, during manufacturing and maintenance, these electronic components must undergo rigorous and efficient functional and electrical performance testing (such as power characteristic testing, circuit continuity and insulation testing) to ensure they meet design requirements.

[0003] Currently, the industry generally uses specialized testing fixtures to test the aforementioned electronic components; however, in actual operation...

[0004] Firstly, due to production environment factors and the characteristics of the components themselves, their pins, solder joints and surfaces are often covered with impurities such as solder dross, dust, and metal shavings. During the testing process, these impurities can easily contaminate the test probes, leading to increased contact resistance, signal distortion, and even short circuits, which seriously affect the accuracy of the test and the safety of the equipment.

[0005] Secondly, existing testing fixtures are mostly designed for single-specification components or rely on manual mechanical adjustments to adapt to components of different sizes and interfaces. This makes it difficult to achieve rapid and accurate switching and positioning of components of multiple specifications during the testing process, and it is also impossible to perform integrated automatic cleaning of components and probes before and after testing.

[0006] The aforementioned problems lead to low testing efficiency and frequent manual intervention. Therefore, a multi-specification electrical module testing fixture is proposed to solve these problems. Summary of the Invention

[0007] To address the problems mentioned in the background art, this invention provides a multi-specification electrical module testing fixture, including a base box. A cylinder is fixedly connected to the top of the base box via a bracket. A lifting rod is fixedly connected to the output end of the cylinder. An adjustable pressure plate is fixedly connected to the bottom of the lifting rod. A support platform is fixedly connected to the base box via a spring. An L-shaped rod is symmetrically fixedly connected to the support platform. An adjustable platform is provided on the support platform, and the adjustable platform is slidably sleeved on the L-shaped rod. A probe device is fixedly installed on the base box. The fixture also includes:

[0008] A self-moving debris remover, located inside the base housing, is used to automatically remove impurities from the pins of electronic components before testing;

[0009] The self-moving dust removal component includes a fixed box, a fan connected to one side of the fixed box, two lifting pipes symmetrically arranged on the fixed box, an upper dust suction sleeve fixedly connected inside the support platform, the bottom end of the lifting pipe penetrating into the interior of the fixed box, the top end of the lifting pipe penetrating into the interior of the upper dust suction sleeve, a transmission component provided on the adjustable pressure plate, a square sleeve connected to the transmission component fixedly connected to one side of the adjustable platform, and a filter assembly provided inside the fixed box.

[0010] As the lifting rod moves downward, it drives the transmission component to move the adjustable platform along the surface of the L-shaped rod, thereby allowing the electronic components to pass through the upper dust collection sleeve to remove impurities.

[0011] The needle cleaning assembly, mounted on the fixed box, is used to automatically remove dust from the top of the probe device.

[0012] In the above technical solution, preferably, the probe device includes a positioning plate, which is fixedly installed on the top of the base box by bolts. A detection probe is fixedly connected inside the positioning plate, and a power supply box is fixedly connected inside the base box.

[0013] In the above technical solution, preferably, the transmission component includes two support plates symmetrically and fixedly connected to the adjustable pressure plate, a sleeve plate is fixedly connected to one side of the support plate, a rotating rod is slidably connected inside the sleeve plate, and the bottom of the rotating rod is fixedly connected to the base box through a bearing seat;

[0014] The rotating rod has an L-shaped groove, and a sliding rod is fixedly connected inside the sleeve plate. The sliding rod is slidably connected inside the L-shaped groove. A push rod is fixedly connected to the rotating rod, and the square sleeve is fitted onto the push rod.

[0015] In the above technical solution, preferably, two L-shaped rods are symmetrically fixedly connected to the base box, and a linear bearing is fixedly connected inside the support plate, with the linear bearing slidably sleeved on the L-shaped rods.

[0016] In the above technical solution, preferably, the filter assembly includes a storage sleeve that is slidably connected inside the fixed box, one side of the storage sleeve extends through to the outside of the base box and is fixedly connected to an orifice-shaped sleeve, and a metal filter screen is fixedly connected inside the storage sleeve.

[0017] In the above technical solution, preferably, a rubber sleeve is fixedly connected inside the fixed box, one side of the rubber sleeve is in contact with the surface of the storage sleeve, and a magnet is fixedly connected to one side of the mouth-shaped sleeve, and one side of the magnet is attracted to the surface of the base box.

[0018] In the above technical solution, preferably, the cleaning needle assembly includes two straight tubes symmetrically and fixedly connected inside the fixed box. A first bent tube is slidably connected inside the straight tube, and a second bent tube is slidably connected inside the first bent tube. A lower dust suction sleeve is fixedly connected to the bottom of the adjustable platform, and one end of the second bent tube communicates with the lower dust suction sleeve.

[0019] In the above technical solution, preferably, the upper vacuum sleeve is provided with a reciprocating cleaning component. The reciprocating cleaning component includes a toothed rod movably connected to the inside of the upper vacuum sleeve via a bearing. An eccentric wheel is fixedly connected to the toothed rod. An L-shaped toothed plate is fixedly connected to the bottom of the square sleeve. The upper vacuum sleeve is fitted onto the L-shaped toothed plate. The L-shaped toothed plate meshes with the toothed rod. A middle plate is fitted onto the eccentric wheel. Brush bristles are fixedly connected to the middle plate. The tips of the brush bristles extend to the top of the upper vacuum sleeve and contact the bottom of the adjustable platform.

[0020] In the above technical solution, preferably, the front and rear ends of the medium plate extend to the outside of the upper dust collection sleeve, one side of the fan is connected to the power supply box, and exhaust holes are provided on one side of the base box and one side of the power supply box.

[0021] In the above technical solution, preferably, two limiting sleeves are symmetrically fixedly connected to the base box, the limiting sleeves are slidably sleeved on the rotating rod, the push rod is fitted with an I-shaped sleeve, and the square sleeve is slidably sleeved on the I-shaped sleeve.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0023] This invention uses a cylinder and lifting rod to drive an adjustable pressure plate and transmission components downward. As the transmission components move the adjustable platform and electronic components past the upper dust suction sleeve, the fan creates a negative pressure through the lifting pipe to efficiently adsorb impurities at the pins. Simultaneously, a pull-out filter assembly filters and collects the impurities, achieving an automatic cleaning effect. It can efficiently remove solder dross, dust, metal shavings, and other impurities without manual intervention. It has low maintenance difficulty, ensures the accuracy of testing, avoids the risk of short circuits, and effectively improves testing efficiency.

[0024] Furthermore, the friction between the test probe and the pins of electronic components can easily generate solder powder and debris, which can affect the test after continuous accumulation. However, through the structural design of the straight tube, bent tube one, bent tube two, and lower dust suction sleeve in the needle cleaning assembly, when the adjustable platform moves with the transmission component, the lower dust suction sleeve at its bottom synchronously drives the bent tube two to move. The bent tube one slides adaptively within the straight tube, ensuring that the lower dust suction sleeve accurately passes over the top of the test probe. The negative pressure generated by the fan removes dust through the bent tube two and the lower dust suction sleeve, preventing dust from accumulating on the test probe. This method requires no additional power and can achieve rapid cleaning, which better meets the actual working conditions of electronic component testing.

[0025] Furthermore, negative pressure adsorption is insufficient for adsorbing solder dross adhering to the bottom of electronic components and the gaps between pins, which can easily lead to incomplete cleaning. However, through the design of the toothed rod, eccentric wheel and L-shaped toothed plate in the reciprocating cleaning component, when the square sleeve moves, the L-shaped toothed plate drives the toothed rod to rotate synchronously, and the eccentric wheel on the toothed rod rotates accordingly, driving the central plate to drive the bristles to make reciprocating linear motion. The bristles continuously sweep the bottom of electronic components and the gaps between pins, mechanically peeling off the attached solder dross, dust clumps and other debris. Combined with the negative pressure adsorption of the dust collection sleeve, residual impurities in dead corners are thoroughly removed. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of the present invention;

[0027] Figure 2 This is a cross-sectional schematic diagram of the base box of the present invention;

[0028] Figure 3 This is a schematic diagram of the adjustable platform of the present invention after it has been moved;

[0029] Figure 4 This is a cross-sectional schematic diagram of the fixing box of the present invention;

[0030] Figure 5 This is a schematic diagram of the support platform of the present invention;

[0031] Figure 6 This is a cross-sectional schematic diagram of the dust collection sleeve of the present invention;

[0032] Figure 7 This is a schematic diagram of the rotating rod of the present invention;

[0033] Figure 8 This is a cross-sectional schematic diagram of the sleeve plate of the present invention.

[0034] In the diagram: 1. Base box; 2. Cylinder; 3. Lifting rod; 4. Adjustable pressure plate; 5. Support platform; 6. L-shaped rod one; 7. Adjustable platform; 8. Probe device; 81. Positioning plate; 82. Detection probe; 83. Power supply box; 9. Self-moving dust removal component; 91. Fixed box; 92. Fan; 93. Lifting pipe; 94. Upper dust suction cover; 95. Transmission component; 951. Support plate; 952. Sleeve plate; 953. Rotating rod; 954. L-shaped groove; 955. Slide rod; 956. Push rod; 96. Square sleeve; 97. 10. Filter assembly; 971. Storage sleeve; 972. Mouth-shaped sleeve; 973. Metal filter screen; 10. Cleaning needle assembly; 101. Straight tube; 102. Bent tube one; 103. Bent tube two; 104. Lower vacuum sleeve; 11. L-shaped rod two; 12. Linear bearing; 13. Rubber sleeve; 14. Magnetic sheet; 15. Reciprocating cleaning assembly; 151. Toothed rod; 152. Eccentric wheel; 153. L-shaped toothed plate; 154. Medium plate; 155. Brush bristles; 16. Exhaust hole; 17. Limiting sleeve; 18. I-shaped sleeve. Detailed Implementation

[0035] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0036] like Figures 1 to 3 As shown, this invention provides a multi-specification electrical module testing fixture, including a base box 1. A cylinder 2 is fixedly connected to the top of the base box 1 via a bracket. A lifting rod 3 is fixedly connected to the output end of the cylinder 2. An adjustable pressure plate 4 is fixedly connected to the bottom of the lifting rod 3. A support platform 5 is fixedly connected to the base box 1 via a spring. An L-shaped rod 6 is symmetrically fixedly connected to the support platform 5. An adjustable platform 7 is provided on the support platform 5 and slidably sleeved on the L-shaped rod 6. A probe device 8 is fixedly installed on the base box 1. The fixture also includes:

[0037] The self-moving impurity remover 9 is located inside the base box 1 and is used to automatically remove impurities from the pins of electronic components before testing;

[0038] The self-moving cleaning component 9 includes a fixed box 91, a fan 92 connected to one side of the fixed box 91, two lifting pipes 93 symmetrically arranged on the fixed box 91, an upper dust suction sleeve 94 fixedly connected inside the support platform 5, the dust suction port of the upper dust suction sleeve 94 facing upward, the bottom end of the lifting pipe 93 penetrating into the interior of the fixed box 91, the top end of the lifting pipe 93 penetrating into the interior of the upper dust suction sleeve 94, a transmission component 95 is provided on the adjustable pressure plate 4, a square sleeve 96 connected to the transmission component 95 is fixedly connected to one side of the adjustable platform 7, and a filter assembly 97 is provided inside the fixed box 91.

[0039] As the lifting rod 3 moves downward, the driving transmission component 95 drives the adjustable platform 7 to slide along the surface of the L-shaped rod 6, thereby allowing the electronic components to pass through the upper dust collection sleeve 94 to remove impurities.

[0040] The needle cleaning assembly 10 is mounted on the fixed box 91 and is used to automatically remove dust from the top of the probe device 8.

[0041] Specifically, the adjustable pressure plate 4 consists of a top plate, a concave sleeve, an adjusting plate, and a pressure rod. The top plate is fixedly connected to the bottom of the lifting rod 3, the concave sleeve is fixedly connected to the bottom of the top plate, and the adjusting plate is fixedly installed on the concave sleeve by bolts. The concave sleeve has a sliding groove inside, and the front and rear ends of the adjusting plate are slidably connected inside the sliding groove. The pressure rod is fixedly connected to the bottom of the adjusting plate and the concave sleeve. After the adjusting plate is adjusted to a suitable position, it is fixed by bolts, which facilitates the alignment of the pressure rod with electronic components of the same type but different sizes. The adjustable platform 7 consists of a concave sleeve and an adjusting plate. The concave sleeve has a through hole, and the concave sleeve is fitted onto the L-shaped rod 6 through the through hole. After the adjusting plate is adjusted to a suitable position, it is fixed by bolts. In use, electronic components can be placed inside the adjusting plate and the concave sleeve. The adjusting plate and the concave sleeve can stably support electronic components of different sizes. The fan 92 is a miniature axial flow fan. The bottom of the support platform 5 is fixed with a limiting rod located inside the spring by bolts. The bottom end of the limiting rod extends into the interior of the base box 1. The bottom of the limiting rod can be additionally fixed with a limiting pad to limit the movement distance of the limiting rod.

[0042] like Figures 1 to 3 As shown, the probe device 8 includes a positioning plate 81, which is fixedly installed on the top of the base box 1 by bolts. A detection probe 82 is fixedly connected inside the positioning plate 81, and a power supply box 83 is fixedly connected inside the base box 1.

[0043] Specifically, the test probe 82 is electrically connected to the power supply box 83 via a wire, and the power supply box 83 can be electrically connected to the display screen of the peripheral device; the top of the positioning plate 81 has an opening, and the positioning plate 81 is fitted onto the bolt through the opening, which makes it convenient for the user to adjust the positioning plate 81 and the test probe 82 to different positions and angles, and then fix them with bolts, thereby adapting to the testing needs of electronic components of different specifications.

[0044] like Figures 2 to 4 As shown, the transmission component 95 includes two support plates 951 that are symmetrically fixedly connected to the adjustable pressure plate 4. A sleeve plate 952 is fixedly connected to one side of the support plate 951. A rotating rod 953 is slidably connected inside the sleeve plate 952. The bottom of the rotating rod 953 is fixedly connected to the base box 1 through a bearing seat.

[0045] An L-shaped groove 954 is provided on the rotating rod 953. A sliding rod 955 is fixedly connected inside the sleeve plate 952. The sliding rod 955 is slidably connected inside the L-shaped groove 954. A push rod 956 is fixedly connected to the rotating rod 953. A square sleeve 96 is fitted onto the push rod 956.

[0046] Specifically, the L-shaped groove 954 consists of an inclined groove and a vertical groove. In use, the adjustable pressure plate 4 drives the sleeve plate 952 to move downward through the support plate 951. The sleeve plate 952 drives the slide rod 955 to move downward. When the slide rod 955 slides in the inclined groove of the L-shaped groove 954, it will push the rotating rod 953 to rotate. The rotating rod 953 pushes the square sleeve 96 and the adjustable platform 7 to slide along the L-shaped rod 6 through the push rod 956. When the slide rod 955 moves into the vertical groove of the L-shaped groove 954, the rotating rod 953 stops rotating. The lifting rod 3 will then drive the adjustable pressure plate 4 to press down on the electronic components and the adjustable platform 7. The adjustable platform 7 pushes the support table 5 to move downward until the electronic components contact the detection probe 82 for detection.

[0047] like Figures 1 to 3 As shown, two L-shaped rods 11 are symmetrically fixedly connected to the base box 1, and a linear bearing 12 is fixedly connected inside the support plate 951. The linear bearing 12 is slidably sleeved on the L-shaped rods 11.

[0048] Specifically, by setting the L-shaped rod 11 and the linear bearing 12, the support plate 951 and the adjustable pressure plate 4 can be limited and guided, which improves the stability of the support plate 951 and the adjustable pressure plate 4 when moving and prevents the support plate 951 and the adjustable pressure plate 4 from shaking.

[0049] like Figures 2 to 4 As shown, the filter assembly 97 includes a storage sleeve 971 that is slidably connected inside the fixed box 91. One side of the storage sleeve 971 extends through to the outside of the base box 1 and is fixedly connected to an orifice-shaped sleeve 972. A metal filter screen 973 is fixedly connected inside the storage sleeve 971.

[0050] Specifically, by setting up a storage sleeve 971 and a metal filter 973, dust can be filtered quickly. When not in use, the user can remove the storage sleeve 971 through the mouth-shaped sleeve 972 for easy cleaning and maintenance.

[0051] like Figures 2 to 4As shown, a rubber sleeve 13 is fixedly connected inside the fixed box 91. One side of the rubber sleeve 13 is in contact with the surface of the storage sleeve 971. A magnet 14 is fixedly connected to one side of the orifice sleeve 972. One side of the magnet 14 is attracted to the surface of the base box 1.

[0052] Specifically, by setting up a rubber sleeve 13 and a magnetic piece 14, the rubber sleeve 13 can seal the gap between the storage sleeve 971 and the fixing box 91 to prevent impurities from entering the fan 92 and the power box 83, while the magnetic piece 14 can fix the mouth-shaped sleeve 972 and the storage sleeve 971 to improve the stability of the storage sleeve 971.

[0053] like Figure 4 As shown, the cleaning needle assembly 10 includes two straight tubes 101 symmetrically fixedly connected inside the fixed box 91. A first bent tube 102 is slidably connected inside the straight tube 101, and a second bent tube 103 is slidably connected inside the first bent tube 102. A lower vacuum sleeve 104 is fixedly connected to the bottom of the adjustable platform 7. The vacuum port of the lower vacuum sleeve 104 faces downward, and one end of the second bent tube 103 is connected to the lower vacuum sleeve 104.

[0054] Specifically, when the adjustable platform 7 moves with the transmission component 95, the lower suction sleeve 104 at its bottom synchronously drives the second bending tube 103 to move. The first bending tube 102 slides adaptively within the straight tube 101, ensuring that the lower suction sleeve 104 accurately passes over the top of the detection probe 82. The negative pressure generated by the fan 92 removes dust through the second bending tube 103 and the lower suction sleeve 104, preventing dust from accumulating on the detection probe 82. This method requires no additional power and enables rapid cleaning, better meeting the actual working conditions required for electronic component testing. When the adjustable platform 7 moves downward, it will drive the second bending tube 103 to slide inside the first bending tube 102 via the lower suction sleeve 104, preventing jamming or rotation.

[0055] like Figures 3 to 6 As shown, the upper vacuum sleeve 94 is provided with a reciprocating cleaning assembly 15. The reciprocating cleaning assembly 15 includes a toothed rod 151 movably connected to the inside of the upper vacuum sleeve 94 via a bearing. An eccentric wheel 152 is fixedly connected to the toothed rod 151. An L-shaped toothed plate 153 is fixedly connected to the bottom of the square sleeve 96. The upper vacuum sleeve 94 is fitted onto the L-shaped toothed plate 153. The L-shaped toothed plate 153 meshes with the toothed rod 151. A medium-shaped plate 154 is fitted onto the eccentric wheel 152. Brush bristles 155 are fixedly connected to the medium-shaped plate 154. The tips of the brush bristles 155 extend to the top of the upper vacuum sleeve 94 and contact the bottom of the adjustable platform 7.

[0056] Specifically, the bristles 155 are soft bristles. In the initial state, the top of the bristles 155 is under the pressure of the adjustable platform 7 and is in a slightly bent state. After the adjustable platform 7 moves, the bristles 155 will elastically return to their original position and contact the bottom of the electronic components for cleaning. When the square sleeve 96 moves, the L-shaped toothed plate 153 drives the toothed bar 151 to rotate synchronously. The eccentric wheel 152 on the toothed bar 151 rotates accordingly, driving the central plate 154 to drive the bristles 155 to make reciprocating linear motion. The bristles 155 continuously sweep the bottom of the electronic components and the gaps between the pins, mechanically peeling off stubborn solder slag, dust clumps, etc. Combined with the negative pressure adsorption of the dust collection sleeve 94, the residual impurities in the dead corners are thoroughly removed.

[0057] like Figure 2 and Figure 6 As shown, the front and rear ends of the medium plate 154 extend to the outside of the upper dust cover 94, one side of the fan 92 is connected to the power supply box 83, and exhaust holes 16 are provided on one side of the base box 1 and one side of the power supply box 83.

[0058] Specifically, during use, the fan 92 can inject filtered air into the power supply box 83 to cool the components and prevent waste of resources. The air after heat exchange can be discharged through the exhaust port 16.

[0059] like Figure 7 As shown, two limiting sleeves 17 are symmetrically fixedly connected to the base box 1. The limiting sleeves 17 are slidably sleeved on the rotating rod 953. An I-shaped sleeve 18 is sleeved on the push rod 956, and a square sleeve 96 is slidably sleeved on the I-shaped sleeve 18.

[0060] Specifically, the limiting sleeve 17 can limit the rotation rod 953 and improve the stability of the rotation rod 953 during rotation; the I-shaped sleeve 18 is a graphite self-lubricating bushing, which can reduce the friction between the push rod 956 and the square sleeve 96 and improve the smoothness of the push rod 956 during rotation.

[0061] Working principle and usage process of this invention:

[0062] During use, adjust the telescopic length of the adjustable platform 7 and the pressing position of the adjustable pressure plate 4 according to the size of the electronic component to be tested to ensure that the tooling is adapted to the size of the electronic component. At the same time, adjust the position of the test probe 82 by the bolts on the positioning plate 81 so that it is aligned with the test pin of the electronic component. After the electronic component is placed on the adjustable platform 7, start the cylinder 2 and the fan 92. The cylinder 2 drives the lifting rod 3 to move the adjustable pressure plate 4 downward. The adjustable pressure plate 4 simultaneously drives the two side support plates 951 to slide downward along the L-shaped rod 11.

[0063] When the support plate 951 moves downward, the sleeve plate 952 simultaneously drives the slide rod 955 to slide within the L-shaped groove 954 of the rotating rod 953. As the slide rod 955 slides along the inclined section of the L-shaped groove 954, it pushes the rotating rod 953 to rotate. The push rod 956 on the rotating rod 953 drives the square sleeve 96 to translate through the I-shaped sleeve 18, thereby driving the adjustable platform 7 to slide along the L-shaped rod 16 towards the detection probe 82. During this process, the adjustable platform 7 drives the electronic components to simultaneously pass over the upper dust collection sleeve 94, while the bottom of the square sleeve 96... The L-shaped toothed plate 153 meshes with the toothed rod 151 inside the upper dust collection sleeve 94, causing the toothed rod 151 to rotate. The eccentric wheel 152 on the toothed rod 151 drives the central plate 154 and the brush bristles 155 to perform reciprocating linear motion, mechanically removing solder slag from the bottom of the electronic components and the gaps between the pins. At the same time, the fan 92 generates negative pressure, which is transmitted to the upper dust collection sleeve 94 through the lifting pipe 93, adsorbing the impurities and surface dust removed by the brush bristles 155 into the fixed box 91, and then filtered and collected by the metal filter 973 in the storage sleeve 971.

[0064] When the slide bar 955 slides to the vertical groove section of the L-shaped groove 954, the rotating rod 953 stops rotating and the adjustable platform 7 stops translating. At this time, the lifting rod 3 continues to drive the adjustable pressure plate 4 to press down, pushing the adjustable platform 7 and the support platform 5 to compress the spring and move down until the test pin of the electronic component makes precise contact with the detection probe 82. The power supply box 83 supplies power to the detection probe 82 and begins to perform circuit performance testing, thereby achieving the effect of automatic cleaning.

[0065] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0066] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-specification electrical module test tool, comprising a base box (1), the top of the base box (1) is fixedly connected with a pneumatic cylinder (2) through a support, the output end of the pneumatic cylinder (2) is fixedly connected with a lifting rod (3), the bottom of the lifting rod (3) is fixedly connected with an adjustable pressing plate (4), the base box (1) is fixedly connected with a support table (5) through a spring, the support table (5) is fixedly connected with L-shaped rods one (6) symmetrically, the support table (5) is provided with an adjustable platform (7), the adjustable platform (7) is slidingly sleeved on the L-shaped rods one (6), the base box (1) is fixedly installed with a probe device (8), characterized in that, Also include: Self-moving impurity removal device (9) is arranged in the inside of the base box (1), is used for automatically removing the impurities on the electronic component pin before testing; The self-moving impurity removal device (9) includes a fixed box (91), one side of the fixed box (91) is communicated with a fan (92), two lifting pipes (93) are symmetrically arranged on the fixed box (91), an upper dust suction sleeve (94) is fixedly connected in the inside of the support table (5), the bottom end of the lifting pipe (93) penetrates to the inside of the fixed box (91), the top end of the lifting pipe (93) penetrates to the inside of the upper dust suction sleeve (94), a transmission part (95) is arranged on the adjustable pressing plate (4), one side of the adjustable platform (7) is fixedly connected with a square sleeve (96) connected with the transmission part (95), a filter assembly (97) is arranged in the inside of the fixed box (91); With the lifting rod (3) moving downward, the transmission part (95) drives the adjustable platform (7) to slide along the surface of the L-shaped rod one (6), so that the electronic component passes through the upper dust suction sleeve (94) to realize impurity removal; The needle cleaning assembly (10) is arranged on the fixed box (91) and is used for automatically removing dust on the top of the probe device (8).

2. A multi-specification electrical module test fixture as defined in claim 1, wherein: The probe device (8) includes a positioning plate (81) fixedly installed on the top of the base box (1) through bolts, a detection probe (82) is fixedly connected in the inside of the positioning plate (81), and a power box (83) is fixedly connected in the inside of the base box (1).

3. A multi-specification electrical module test fixture as set forth in claim 1, wherein: The transmission part (95) includes two support plates (951) fixedly connected on the adjustable pressing plate (4), one side of the support plate (951) is fixedly connected with a sleeve plate (952), the inside of the sleeve plate (952) is slidably connected with a rotating rod (953), and the bottom of the rotating rod (953) is fixedly connected on the base box (1) through a bearing seat; An L-shaped groove (954) is formed in the rotating rod (953), a sliding rod (955) is fixedly connected in the inside of the sleeve plate (952), the sliding rod (955) is slidably connected in the inside of the L-shaped groove (954), a push rod (956) is fixedly connected on the rotating rod (953), and the square sleeve (96) is sleeved on the push rod (956).

4. A multi-specification electrical module test fixture as set forth in claim 3, wherein: Two L-shaped rods two (11) are fixedly connected on the base box (1), a linear bearing (12) is fixedly connected in the inside of the support plate (951), and the linear bearing (12) is slidably sleeved on the L-shaped rod two (11).

5. A multi-specification electrical module test fixture as described in claim 1, wherein: The filter assembly (97) includes a storage sleeve (971) slidably connected in the inside of the fixed box (91), one side of the storage sleeve (971) penetrates to the outside of the base box (1) and is fixedly connected with a mouth-shaped sleeve (972), and a metal filter screen (973) is fixedly connected in the inside of the storage sleeve (971).

6. A multi-specification electrical module test fixture as set forth in claim 5, wherein: A rubber sleeve (13) is fixedly connected inside the fixed box (91). One side of the rubber sleeve (13) is in contact with the surface of the storage sleeve (971). A magnet (14) is fixedly connected to one side of the mouth-shaped sleeve (972). One side of the magnet (14) is attracted to the surface of the base box (1).

7. A multi-specification electrical module test fixture as described in claim 1, wherein: The cleaning needle assembly (10) includes two straight tubes (101) symmetrically fixedly connected inside the fixed box (91). A first bent tube (102) is slidably connected inside the straight tube (101), and a second bent tube (103) is slidably connected inside the first bent tube (102). A lower vacuum sleeve (104) is fixedly connected to the bottom of the adjustable platform (7), and one end of the second bent tube (103) is connected to the lower vacuum sleeve (104).

8. A multi-specification electrical module test fixture as described in claim 1, wherein: The upper vacuum sleeve (94) is provided with a reciprocating cleaning component (15). The reciprocating cleaning component (15) includes a toothed rod (151) movably connected to the inside of the upper vacuum sleeve (94) via a bearing. An eccentric wheel (152) is fixedly connected to the toothed rod (151). An L-shaped toothed plate (153) is fixedly connected to the bottom of the square sleeve (96). The upper vacuum sleeve (94) is fitted on the L-shaped toothed plate (153). The L-shaped toothed plate (153) meshes with the toothed rod (151). A medium-shaped plate (154) is fitted on the eccentric wheel (152). Brush bristles (155) are fixedly connected to the medium-shaped plate (154). The top of the brush bristles (155) extends to the top of the upper vacuum sleeve (94) and contacts the bottom of the adjustable platform (7).

9. A multi-specification electrical module test fixture as set forth in claim 8, wherein: The front and rear ends of the medium plate (154) extend to the outside of the upper dust collection sleeve (94), one side of the fan (92) is connected to the power supply box (83), and exhaust holes (16) are provided on one side of the base box (1) and one side of the power supply box (83).

10. A multi-specification electrical module test fixture as set forth in claim 3, wherein: Two limiting sleeves (17) are symmetrically fixedly connected to the base box (1). The limiting sleeves (17) are slidably sleeved on the rotating rod (953). An I-shaped sleeve (18) is sleeved on the push rod (956). The square sleeve (96) is slidably sleeved on the I-shaped sleeve (18).

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