Detector for power module

Abstract

The utility model relates to a detector for a power module, which comprises a transmission assembly supported on a lifting seat capable of adjusting the working height, and magnetic clamping seats capable of limiting and clamping the power module are arranged on a conveying belt of the transmission assembly at intervals. A magnetic supporting plate which can be matched with the magnetic suction clamping seat to limit the station of the power module is also arranged below the conveying surface limited by the conveying belt; the lifting seat is further provided with a detection assembly capable of conducting insertion connection testing on the power module clamped by the magnetic attraction clamping seat, and the detection assembly is suspended above a conveying face limited by the conveying belt through a supporting frame. Limiting clamping of the power module is automatically completed in a magnetic attraction positioning mode, clamping operation is simplified, rapid dismounting, feeding and discharging are achieved, and stability, accuracy and detection efficiency of detection butt joint are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to power module detection equipment technical field especially relates to a kind of power module detector. BACKGROUND

[0002] Power module is a kind of combination that power semiconductor device (such as IGBT, MOSFET etc.) is connected according to certain circuit topology structure and is packaged together, belongs to power power electronic device.The main function of power module is to realize the efficient conversion and control of electric energy, and is usually used in power electronic equipment.Power module can reduce the volume of switching circuit device, reduce cost, improve reliability, and facilitate the design and development of circuit.In the process of producing and processing power module, to ensure product quality usually needs to test finished product power module to ensure its eligibility.

[0003] However, the traditional manual test mode needs manual test probe and the tested power module to be inserted and docked, and the uneven stress and errors of manual insertion can easily cause deformation and other damages of power module joints and probe heads, causing additional detection loss.Especially, the clamping structure of existing detection equipment usually has high clamping complexity, and it is difficult to disassemble, replace and consume more time, increases the labor of manual disassembly, causes the time consumption of batch detection to be more and the efficiency to be low.In addition, the limiting clamping of existing clamping structure is controlled by artificial operation, and there is clamping strength deviation, which increases the labor intensity of artificial labor, and also easily causes clamping adjustment to be out of place and cannot guarantee the limiting accuracy or the clamping force to be too large and damage power module, therefore, a power module detector is needed, which can realize the limiting clamping and continuous detection of power module on the basis of manual or mechanical arm placing and taking materials to improve the batch detection efficiency and quality. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of power module detector that realizes the limiting clamping of power module by the way of magnetic attraction positioning, which simplifies clamping operation, realizes quick disassembly and feeding, and guarantees the stability, accuracy and detection efficiency of detection docking, to solve the problems of poor disassembly convenience of the clamping structure of existing power module detection equipment, unable to realize quick disassembly while guaranteeing limiting stability, reduce the comprehensive efficiency of power module batch detection, and the existing detection equipment cannot continuously detect power module, needs to be alternated with disassembly and clamping operation, greatly reduces the detection speed.

[0005] The utility model adopts the technical scheme: a kind of detector for power module, including transmission assembly supported on adjustable working height's lifting seat, magnetic suction clamping seat capable of limiting and clamping power module is arranged at the interval on the conveying belt of the transmission assembly, and below the conveying surface defined by the conveying belt, magnetic support plate capable of cooperating with the magnetic suction clamping seat to define the work station of power module is also provided;Detection assembly capable of inserting test to the power module clamped by the magnetic suction clamping seat is also provided on the lifting seat, wherein the detection assembly is suspended above the conveying surface defined by the conveying belt by support frame.

[0006] According to a preferred embodiment, the magnetic suction clamping seat comprises a seat body, upper inclined surface guide blocks, lower inclined surface guide blocks and alignment clamping plates, wherein two upper inclined surface guide blocks are alignedly installed in the transverse through groove of the seat body; the lower inclined surface guide blocks are slidably connected to the inclined top surface of the upper inclined surface guide blocks, and the alignment clamping plates are connected to the transverse through groove on the opposite sides of the two lower inclined surface guide blocks.

[0007] According to a preferred embodiment, the bottom of the seat body is further provided with a middle connection strip connected to the conveying belt and an edge support strip flush with the middle connection strip; a lower accommodating groove is further formed between the middle connection strip and the edge support strip.

[0008] According to a preferred embodiment, a through groove vertically penetrating the block body of the upper inclined surface guide block is formed in the upper inclined surface guide block, and a guide sliding groove is further formed in the inclined top surface of the upper inclined surface guide block.

[0009] According to a preferred embodiment, a guide sliding block capable of slidingly being fitted in the guide sliding groove and a lower pull position adjusting rod inserted in the through groove are arranged on the inclined bottom surface of the lower inclined surface guide block; the rod body of the lower pull position adjusting rod extending out of the through groove penetrates the seat body so that the magnetic metal plate connected to the bottom end thereof is suspended in the lower accommodating groove; the top surface of the magnetic metal plate is connected to a return spring sleeved on the lower pull position adjusting rod.

[0010] According to a preferred embodiment, the magnetic support plate is connected to the support column of the support frame in a manner of supporting the conveying belt and adjusting the working position of the alignment clamping plate in cooperation with the magnetic metal plate.

[0011] According to a preferred embodiment, the detection assembly comprises an electric drive guide rail, a detection module, a hydraulic lifting rod, a plate groove, an adjusting seat and a probe, wherein the electric drive guide rail is mounted on the suspended mounting top plate of the support frame, the detection module is arranged on the moving surface of the electric drive guide rail, and the lower surface of the detection module is provided with the hydraulic lifting rod; the axial lower end of the hydraulic lifting rod is connected with the plate groove, a plurality of interval distributed adjusting seats are slidingly arranged in the groove cavity of the plate groove, and the lower surface of the adjusting seat is inserted with the probe.

[0012] According to a preferred embodiment, the detection module comprises a mounting frame and a detection unit detachably mounted in the mounting frame.

[0013] According to a preferred embodiment, a through track is formed in the groove wall of the plate groove, the seat body side of the adjusting seat is provided with a positioning sliding block capable of being slidingly clamped in the through track, and a positioning bolt is further inserted in the adjusting seat.

[0014] According to a preferred embodiment, the suspended mounting top plate is arranged on the axial upper end of the support column.

[0015] The utility model discloses the beneficial effects are:

[0016] The magnetic attraction clamping seat can be automatically clamped and positioned with the magnetic support plate, without manual dismounting and clamping operation, only manual or mechanical arm is needed for feeding and discharging, the convenience and speed of cloth feeding are improved, and the demand for manual intervention is reduced. The magnetic attraction clamping seat and the magnetic support plate can be cooperated to realize center positioning and clamping, ensure the accuracy and stability of automatic clamping and positioning, make the positioning of the power modules consistent, ensure the accuracy of subsequent detection and insertion, reduce the damage caused by misplacement and deviation of manual clamping and positioning, improve the detection quality, and reduce the risk of detection damage. In addition, the cooperation of the magnetic attraction clamping seat and the magnetic support plate can also ensure the uniformity of the clamping strength, avoid the damage of the power modules caused by the inconsistent clamping strength of different magnetic attraction clamping seats.

[0017] The conveying belt can continuously drive the magnetic attraction clamping seat to step and translate, effectively drive the power modules to pass through the detection station in turn, orderly complete the detection of a large number of power modules, realize the separation of the feeding station, the detection station and the discharging station, avoid the problem that the feeding and discharging operation and the detection operation cannot be synchronized in traditional detection equipment, and greatly improve the continuity, speed and efficiency of detection.

[0018] The lower inclined surface guide block can slide along the inclined surface of the upper inclined surface guide block, so that the change of the transverse depth of the transverse through groove is caused, the alignment and clamping of the two alignment and clamping plates on the power module are effectively realized, the power module is effectively centered and limited on the seat, the stability and accuracy of subsequent detection and insertion are ensured, the convenience, speed and safety of detection are ensured, and the risk of deformation and damage of the insertion opening of the power module and the detection probe is reduced. The lower inclined surface guide block is connected with the upper inclined surface guide block through sliding rails, so that the movement direction and stability during movement are limited, and the stability of clamping and limiting is ensured. The distance between the two alignment and clamping plates is shortened through the magnetic attraction of the magnetic support plate, so that the alignment and clamping of the power module placed in the transverse through groove are automatically realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a preferred structure schematic view of the detector for the power module;

[0020] Figure 2 is a preferred structure schematic view of the magnetic attraction clamping seat of the detector for the power module when there is no magnetic attraction;

[0021] Figure 3 is a preferred structure schematic view of the magnetic attraction clamping seat of the detector for the power module when the magnetic attraction clamping is carried out;

[0022] Figure 4 is a preferred plane schematic view of the detector for the power module in the axial direction of the track defined by the upper inclined surface guide block and the lower inclined surface guide block;

[0023] Figure 5 is a preferred partial side plane schematic view of the detection assembly of the detector for the power module.

[0024] LIST OF REFERENCE NUMERALS

[0025] 1: lifting seat; 2: transmission assembly; 3: magnetic clamping seat; 4: magnetic support plate; 5: detection assembly; 6: support frame; 11: bottom plate; 12: lifting cylinder; 13: mounting pedestal; 21: conveying belt; 22: conveying roller; 23: support plate; 24: conveying drive motor; 31: seat body; 32: upper inclined surface guide block; 33: lower inclined surface guide block; 34: alignment clamping plate; 311: transverse through slot; 312: middle connecting strip; 313: edge support strip; 314: lower containing groove; 321: through slot; 322: guide chute; 331: guide block; 332: lower pull position adjusting rod; 333: magnetic metal plate; 334: reset spring; 51: electric drive guide rail; 52: detection module; 53: hydraulic lifting rod; 54: plate groove; 55: adjusting seat; 56: probe; 521: mounting frame; 522: detection unit; 541: through track; 551: positioning slider; 552: positioning bolt; 61: support column; 62: suspended mounting top plate. DETAILED DESCRIPTION

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the present application will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0027] The following will be described in detail in combination with the drawings.

[0028] Embodiment 1

[0029] The present application provides a kind of detector for power module, it includes lifting seat 1, transmission assembly 2, magnetic clamping seat 3, magnetic support plate 4, detection assembly 5 and support frame 6.

[0030] According to Figures 1-5In the specific embodiment shown, the transmission assembly 2 is supported on the height-adjustable lifting seat 1. The magnetic clamping seats 3 capable of quickly disassembling and clamping the power modules are arranged at intervals on the conveying belt 21 of the transmission assembly 2. The magnetic support plate 4 capable of defining the convenient disassembly and assembly station of the power modules in cooperation with the magnetic clamping seats 3 is further arranged below the conveying surface defined by the conveying belt 21. The detection assembly 5 capable of inserting and testing the power modules clamped by the magnetic clamping seats 3 is further arranged on the lifting seat 1. The detection assembly 5 is suspended above the conveying surface defined by the conveying belt 21 through the support frame 6. The support frame 6 is supported on the mounting table surface defined by the lifting seat 1. The magnetic clamping seats 3 arranged in the application can automatically clamp and position the power modules in cooperation with the magnetic support plate 4, without the need for manual disassembly and clamping operation. Only manual or mechanical arm is needed for feeding and discharging, which improves the convenience and speed of feeding, reduces the demand for manual intervention, and improves the accuracy and stability of automatic clamping and positioning. The positioning of the power modules is consistent, which can ensure the accuracy of subsequent detection and insertion, reduce the damage caused by misplacement and deviation of manual clamping and positioning, improve the quality of detection, and reduce the risk of detection damage. In addition, the cooperation of the magnetic clamping seats 3 and the magnetic support plate 4 can ensure the uniformity of the clamping strength, avoid the inconsistent clamping strength of different magnetic clamping seats 3, and prevent the power modules from being easily damaged.

[0031] Preferably, the lifting seat 1 comprises a bottom plate 11, a lifting cylinder 12 and a mounting pedestal 13. Further preferably, the four top corners of the base plate 11 are supported by the lifting cylinder 12. The axial upper end of the lifting cylinder 12 is connected with the bottom surface of the mounting pedestal 13, so as to support the mounting pedestal 13 above the bottom plate 11 in a lifting manner, so that the lifting seat 1 can adjust the equipment height according to the needs, so as to adapt to different working heights.

[0032] Preferably, the conveying assembly 2 comprises a conveying belt 21, conveying rollers 22, support plates 23 and a conveying drive motor 24. Preferably, the conveying rollers 22 are rotatably inserted between two support plates 23. The conveying belt 21 is sleeved on the two conveying rollers 22 arranged side by side and can move synchronously with the conveying rollers 22. Further preferably, the support plates 23 are supported on the mounting base 13. Further preferably, the outer side of the support plates 23 is further provided with the conveying drive motor 24 which can be in driving connection with the conveying rollers 22. Preferably, the conveying drive motor 24 can be a step drive motor of the 86GY series. The conveying belt 21 provided in the present application can continuously drive the magnetic clamping seat 3 to stepwise translate, thereby effectively driving the power modules to sequentially pass through the detection station, so as to orderly complete the detection work of a large number of power modules, and realize the separation of the feeding station, the detection station and the discharging station, thereby avoiding the problem that the feeding operation, the detection operation and the discharging operation cannot be performed synchronously in the traditional detection equipment, and greatly improving the continuity, speed and efficiency of the detection.

[0033] Preferably, the magnetic clamping seat 3 comprises a seat body 31, upper inclined surface guide blocks 32, lower inclined surface guide blocks 33 and alignment clamping plates 34. Two upper inclined surface guide blocks 32 are alignedly installed in the transversely penetrating groove 311 of the seat body 31 to block the two groove cavity end faces of the transversely penetrating groove 311. Preferably, the inclined top surface of the upper inclined surface guide block 32 is slidably connected with the lower inclined surface guide block 33 which can slide along the abutting inclined surface. Preferably, the alignment clamping plates 34 connected with the two lower inclined surface guide blocks 33 on the opposite sides thereof are in the transversely penetrating groove 311, so that the two alignment clamping plates 34 limit the position of the power module in the transversely penetrating groove 311 in an aligned abutting manner. Preferably, the two groove walls of the transversely penetrating groove 311 are inclined stepped groove walls, thereby adaptively clamping power modules of different widths, and the limiting of the power module in the length direction thereof is achieved by the alignment clamping plates 34. The lower inclined surface guide blocks 33 provided in the present application can slide along the inclined surface of the upper inclined surface guide block 32 to move the alignment clamping plates 34 connected therewith into the transversely penetrating groove 311, so that the transverse depth of the transversely penetrating groove 311 changes, thereby effectively achieving the alignment clamping of the power module by the two alignment clamping plates 34, so as to effectively centrally limit the power module on the seat body 31, thereby ensuring the stability and accuracy of the subsequent detection plug-in, ensuring the convenience, speed and safety of the detection, and reducing the risk of deformation and damage of the plug of the power module and the detection probe.

[0034] Preferably, the bottom of the seat body 31 is further provided with a middle connecting strip 312 connected with the conveying belt 21 and an edge supporting strip 313 flush with the middle connecting strip 312. Preferably, a lower accommodating groove 314 is further arranged between the middle connecting strip 312 and the edge supporting strip 313. Preferably, the top surface of the lower accommodating groove 314 is further provided with a through strip hole for the through movement of a downward pulling position adjusting rod 332. Preferably, a vertical through groove 321 is arranged on the upper inclined surface guiding block 32 vertically through the block body. Further preferably, a guiding sliding groove 322 is further arranged on the inclined top surface of the upper inclined surface guiding block 32. Preferably, a guiding sliding block 331 capable of being slidably clamped in the guiding sliding groove 322 and a downward pulling position adjusting rod 332 inserted in the through groove 321 are arranged on the inclined bottom surface of the lower inclined surface guiding block 33. Preferably, the rod body of the downward pulling position adjusting rod 332 extending out of the through groove 321 passes through the seat body 31 so that the magnetic metal plate 333 connected at the bottom end thereof is suspended in the lower accommodating groove 314. Preferably, the top surface of the magnetic metal plate 333 is connected with a return spring 334 sleeved on the downward pulling position adjusting rod 332. Preferably, an anti-skid rubber pad layer is further arranged on the clamping surface of the alignment clamping plate 34. The middle connecting strip 312 arranged in the application can be connected with the conveying belt 21, thereby effectively following the stepwise translation of the conveying belt 21, so as to realize the continuous conveying and supply of the clamped power module and realize continuous detection, thereby improving the comprehensive efficiency of batch detection. The edge supporting strip 313 arranged in the application can assist in supporting on the conveying belt 21 when the seat body 31 moves to the detection station, thereby improving the stability of the support, ensuring the effective performance of the detection plug-in action, avoiding the risk of plug or probe deformation damage caused by plug-in shaking. The magnetic metal plate 333 arranged in the application can be pulled downward by the magnetic force of the magnetic supporting plate 4 when it moves directly above the magnetic supporting plate 4, thereby driving the lower inclined surface guiding block 33 to slide downward on the upper inclined surface guiding block 32, and further shortening the distance between the two alignment clamping plates 34 to clamp the power module. In the initial state, the axial upper end of the return spring 334 is slidably connected to the inner top surface of the lower accommodating groove 314 in a manner capable of following the lateral sliding of the downward pulling position adjusting rod 332, and the axial lower end thereof is connected with the magnetic metal plate 333, so that when the magnetic metal plate 333 is pulled downward by the magnetic force, the length thereof is elongated. When the magnetic metal plate 333 is no longer pulled by the magnetic force, the return spring 334 drives the magnetic metal plate 333 to move back to realize automatic limiting release of the power module, thereby facilitating subsequent operators or mechanical arms to pick up and transfer the power module. The slide rail structures of the upper inclined surface guiding block 32 and the lower inclined surface guiding block 33 and the slide rail structure between the return spring 334 and the inner top surface of the lower accommodating groove 314 in the application are all low-resistance sliding rails, which facilitate fast and flexible sliding displacement, avoid jamming and affect the limiting clamping and picking.

[0035] Preferably, the magnetic support plate 4 is connected with the support column 61 of the support frame 6 in a manner that assists in maintaining the flatness and stability of the conveying surface while supporting the conveying belt 21 and adjusting the working position of the alignment clamping plate 34 in cooperation with the magnetically attracted metal plate 333. Specifically, the magnetic support plate 4 is capable of generating magnetic attraction to the magnetically attracted metal plate 333 moving above it to adjust the working position of the alignment clamping plate 34. Preferably, the magnetic support plate 4 is a plate body with an arc surface profile edge to avoid abutting and clamping with the conveying belt 21, and it is a plate-shaped electromagnet so that it can selectively generate a magnetic attraction force by adjusting the magnetic state and size as needed.

[0036] Preferably, the detection assembly 5 includes an electric drive guide rail 51, a detection module 52, a hydraulic lifting rod 53, a plate groove 54, an adjusting seat 55, and a probe 56. Preferably, the electric drive guide rail 51 is installed on the suspended installation top plate 62 of the support frame 6. Further preferably, the moving surface of the electric drive guide rail 51 is provided with the detection module 52. Specifically, the electric drive guide rail 51 is at least two synchronous guide rails that simultaneously drive the detection module 52 to translate to ensure stability and accuracy of movement. The electric drive guide rail 51 can be a roller linear guide pair with a model number of LZG-KL. Further preferably, the lower surface of the detection module 52 is provided with the hydraulic lifting rod 53. Preferably, the axial lower end of the hydraulic lifting rod 53 is connected with the plate groove 54. Specifically, the hydraulic lifting rod 53 can be an HSG type reciprocating telescopic hydraulic cylinder. Preferably, the plate groove 54 is slidably provided with a plurality of adjusting seats 55 distributed at intervals in the groove cavity. Further preferably, the lower surface of the adjusting seat 55 is inserted with the probe 56. Preferably, the probe 56 is connected with the interface of the detection unit 52 through a wire. The probe 56 is a detection connection accessory matched with the detection unit 52 without the need for additional design or separate configuration. Preferably, a plurality of electric drive guide rails 51 are arranged side by side to synchronously drive the detection module 52 to longitudinally translate. In use, the adjusting seat 55 can reciprocally slide in the plate groove 54 to change the distance between adjacent adjusting seats 55 to limit the relative position between adjacent probes 56, thereby facilitating the accurate insertion of the probe 56 into the plug-in hole / plug-in interface of the power module when descending to achieve accurate and stable plug-in butt joint between the detection end and the product to be detected. The hydraulic lifting rod 53 can periodically rise and fall to enable the probe 56 to periodically butt joint with different power modules to complete batch detection.

[0037] Preferably, the detection module 52 comprises a mounting frame 521 and a detection unit 522 detachably mounted in the mounting frame 521. Further preferably, the top surface of the mounting frame 521 is connected with the electric drive guide rail 51, and the hydraulic lifting rod 53 is arranged on the bottom surface of the mounting frame 521. Preferably, the detection unit 522 can be a power module tester of HUSTEC-1600A-MT type, so as to be capable of testing IGBT modules of various packaging forms. For example, the power module to be detected in the application can be a finished power module such as FZ400R12KE3 / FZ600R12KE3.

[0038] Preferably, a through track 541 is arranged on the groove wall of the plate groove 54. Further preferably, the seat body side surface of the adjusting seat 55 is provided with a positioning sliding block 551 capable of being slidably clamped in the through track 541. Preferably, a positioning bolt 552 is further inserted on the adjusting seat 55. The through track 541 and the positioning sliding block 551 arranged in the application can cooperatively improve the stability of the translation of the adjusting seat 55. The positioning bolt 552 can define the relative position between the adjusting seat 55 and the plate groove 54 by changing the length of the adjusting seat 55, so as to position the working position of the adjusting seat 55.

[0039] Preferably, a suspended mounting top plate 62 is arranged on the axial upper end of the supporting column 61.

[0040] The power module tester, the driving motor, the lifting rod, the electric drive cylinder, the electric drive guide rail and the electromagnet arranged in the application are electrically connected with the controller and the power supply through wires, the control mode of the application is controlled by the controller, the control circuit of the controller can be realized by simple programming of the person skilled in the art, the provision of the power supply also belongs to the common knowledge in the art, and the utility model is only used to protect the mechanical device and the mechanical structure features, so the control mode and the circuit connection are not explained in detail.

[0041] The utility model is not limited to the above-mentioned optional implementation, anyone can derive other various forms of products under the enlightenment of the utility model, but no matter make any change in shape or structure, any technical scheme falling within the scope defined by the claims of the utility model falls within the protection scope of the utility model. The person skilled in the art should understand that the utility model specification and its drawings are illustrative and not constitute the limitation of the claims. The protection scope of the utility model is defined by the claims and its equivalents. In the full text, the features guided by "preferably" are only optional ways and should not be understood as necessarily setting, therefore the applicant reserves the right to abandon or delete the relevant preferred features at any time.

Claims

1. A detector for power modules, comprising a transmission assembly (2) supported on an adjustable working height lifting seat (1), characterized in that, a plurality of magnetic suction clamping seats (3) capable of limiting and clamping power modules are arranged at intervals on a conveying belt (21) of the transmission assembly (2), and a magnetic support plate (4) capable of cooperating with the magnetic suction clamping seats (3) to define a work station of the power modules is further arranged below a conveying surface defined by the conveying belt (21); a detection assembly (5) capable of performing insertion test on the power modules clamped by the magnetic suction clamping seats (3) is further arranged on the lifting seat (1), wherein the detection assembly (5) is suspended above the conveying surface defined by the conveying belt (21) through a support frame (6).

2. The power module detector according to claim 1, wherein The magnetic suction clamping seat (3) comprises a seat body (31), an upper inclined surface guide block (32), a lower inclined surface guide block (33) and a positioning clamping plate (34), wherein, two upper inclined surface guide blocks (32) are positioned and installed in a transverse through groove (311) of the seat body (31); the lower inclined surface guide block (33) is slidably connected to the inclined top surface of the upper inclined surface guide block (32), and the positioning clamping plate (34) is connected to the opposite sides of the two lower inclined surface guide blocks (33) in the transverse through groove (311).

3. The power module detector according to claim 2, wherein The bottom of the seat body (31) is further provided with a middle connecting strip (312) connected to the conveying belt (21) and an edge supporting strip (313) flush with the middle connecting strip (312); a lower accommodating groove (314) is further formed between the middle connecting strip (312) and the edge supporting strip (313).

4. The power module detector according to claim 3, wherein A vertical through groove (321) vertically penetrating the block body of the upper inclined surface guide block (32) is formed in the upper inclined surface guide block (32), and a guide sliding groove (322) is further formed on the inclined top surface of the upper inclined surface guide block (32).

5. The power module detector according to claim 4, wherein A guide sliding block (331) capable of slidingly clamping in the guide sliding groove (322) and a lower pull position adjusting rod (332) inserted in the through groove (321) are arranged on the inclined bottom surface of the lower inclined surface guide block (33); The rod body of the lower pull position adjusting rod (332) extending out of the through groove (321) penetrates the seat body (31) so that the magnetic metal plate (333) connected at the bottom end of the rod body is suspended in the lower accommodating groove (314); The top surface of the magnetic metal plate (333) is connected with a reset spring (334) sleeved on the lower pull position adjusting rod (332).

6. The power module detector according to claim 5, wherein The magnetic support plate (4) is connected with the support column (61) of the support frame (6) in a manner that supports the conveying belt (21) and adjusts the working position of the positioning clamping plate (34) in cooperation with the magnetic metal plate (333).

7. The power module detector according to claim 6, wherein The detection assembly (5) comprises an electric drive guide rail (51), a detection module (52), a hydraulic lifting rod (53), a plate groove (54), an adjusting seat (55) and a probe (56), wherein, The electric drive guide rail (51) is mounted on the overhanging mounting top plate (62) of the support frame (6), a detection module (52) is arranged on the moving surface of the electric drive guide rail (51), and the lower surface of the detection module (52) is provided with the hydraulic lifting rod (53); The axial lower end of the hydraulic lifting rod (53) is connected with the plate groove (54), and a plurality of interval distributed adjusting seats (55) are slidably arranged in the groove cavity of the plate groove (54), and the lower surface of the adjusting seat (55) is inserted with the probe (56).

8. The power module detector according to claim 7, wherein The detection module (52) comprises a mounting frame body (521) and a detection unit (522) detachably mounted in the mounting frame body (521).

9. The power module detector according to claim 8, wherein A through track (541) is formed in the groove wall of the plate groove (54), the seat body side of the adjusting seat (55) is provided with a positioning sliding block (551) capable of being slidably clamped in the through track (541), and a positioning bolt (552) is also inserted on the adjusting seat (55).

10. The power module detector according to claim 9, wherein The overhanging mounting top plate (62) is arranged on the axial upper end of the support column (61).

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