Auxiliary device for power test of MOS (Metal Oxide Semiconductor) controlled thyristor

Abstract

The utility model discloses an MOS control thyristor power test auxiliary device, which comprises a placing seat and a base, the upper part of the placing seat is provided with a placing groove, the front end and the upper end of the placing groove are open ends, the front end of the placing seat is provided with a fixing plate corresponding to the placing groove, the fixing plate is fixed with the placing seat through a screw, and the fixing plate is fixed with the base. Symmetrical guide holes are formed in the upper portion of the fixing plate and slidably connected with guide rods, one end of each guide rod is connected with a limiting plate, and locking assemblies are arranged at the positions, corresponding to the guide holes, of the front side of the fixing plate. The push guide rod enables the limiting plate to press the MOS control thyristor, the guide rod is locked through the locking assembly, the MOS control thyristor is fixed, and due to the fact that the MOS control thyristor is fixed, only a connecting terminal of a detection instrument needs to be inserted into a pin of the MOS control thyristor during detection, and operation is more convenient and faster.

Description

TECHNICAL FIELD

[0001] The utility model relates to a semiconductor processing detection technical field, concretely relates to a MOS control thyristor power test auxiliary device. BACKGROUND

[0002] MOS control thyristor is a kind of power electronic device by MOSFET and thyristor compound, its input pole is controlled by MOS tube, belongs to field control device;Its drive circuit is simpler than the drive circuit of GTO;On-state voltage drop is equivalent to SCR, is lower than IGBT and GTR.MCT has high voltage, large current high input impedance low driving power, low on-state voltage drop, switching speed is fast and switching loss is small and other characteristics.In addition, the ability of MCT to bear di / dt and du / dt is extremely high, can simplify its protection circuit.

[0003] MOS control thyristor needs to insert the pin of MOS control thyristor into the connecting terminal of detection instrument when carrying out power experiment, we know that the volume of MOS control thyristor is small, and it is difficult to operate when hand-holding MOS control thyristor is inserted into the connecting terminal, and if the quantity of detection is more, the detection process is easily confused.

[0004] Therefore, the person skilled in the art provides a MOS control thyristor power test auxiliary device to solve the problems raised in the above background. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a MOS control thyristor power test auxiliary device, including placing seat and base, the upper part of placing seat is equipped with placing groove, and the front end and the upper end of placing groove are open end, the fixed plate is set in the front end of placing seat and is corresponding with placing groove, and the fixed plate is fixed with placing seat through screw, the upper part of fixed plate is equipped with symmetrical guide hole, and guide hole is connected with guide rod slidingly, one end of guide rod is connected with limiting plate, the front side of fixed plate is set with locking assembly and is corresponding with guide hole, and guide rod passes through locking assembly, locking assembly can lock guide rod, a plurality of MOS control thyristors are placed into placing groove in turn, guide rod is pushed to make limiting plate compress MOS control thyristor, and guide rod is locked through locking assembly, and MOS control thyristor is fixed, the lower part of placing seat is set with turning shaft and is corresponding with base, and placing seat can be rotated by a certain angle relative to base.

[0006] Preferably, the base includes a bottom plate, the bottom plate has support blocks symmetrically disposed on both sides of the upper end of the bottom plate, the support blocks have mounting holes disposed on the support blocks and corresponding to the turning shafts, the turning shafts are inserted into the mounting holes and rotate relative to the mounting holes, and the support blocks have limiting grooves disposed on the upper portions of the support blocks to limit the placing seat.

[0007] Preferably, the limiting groove is an arc-shaped groove, and the center of the arc of the limiting groove coincides with the center of the mounting hole.

[0008] Preferably, the lower part of the placing seat is provided with symmetrical limiting shafts, the smooth part of the limiting shaft is located in the limiting groove and slides relative to the limiting groove, the sliding range of the limiting shaft in the limiting groove is the adjusting range of the placing seat relative to the base, the threaded part of the limiting shaft extends to the outside of the supporting block and is threadedly connected with the adjusting sleeve, the adjusting sleeve is tightened, the adjusting sleeve is tightly attached to the supporting block on one side, and the placing seat is positioned by using friction.

[0009] Preferably, the locking assembly comprises a guide ring fixedly arranged on the fixed plate, the axis of the guide ring coincides with the axis of the guide hole, the front end of the guide ring is provided with clamping jaws at equal intervals, the clamping jaws are of elastic structure, the outer side of the guide ring is threadedly connected with an adjusting sleeve, the inner side of the adjusting sleeve is provided with a tapered hole in the front part, and the tapered hole in the inner side of the adjusting sleeve extrudes the clamping jaws in the process of being tightened, and the clamping jaws clamp the guide rod.

[0010] Preferably, the front end of the guide rod is integrally provided with a disc structure with a diameter larger than that of the guide rod, the disc structure is used for limiting the sliding position of the guide rod, the rear end of the guide rod is of a threaded structure, and the rear end of the guide rod is threadedly connected with the limiting plate, so that the guide rod and the limiting plate can be conveniently disassembled.

[0011] Preferably, the surface of the limiting plate is provided with a threaded hole corresponding to the guide rod, and the rear end of the guide rod is threadedly connected with the threaded hole.

[0012] Preferably, the supporting block is of an L-shaped plate structure, so that the supporting block can be conveniently fixed on the bottom plate through screws.

[0013] Preferably, the outer side of the adjusting sleeve is provided with anti-skid lines, the friction between the adjusting sleeve and fingers is increased, and the adjusting sleeve can be conveniently rotated.

[0014] Preferably, the outer side of the adjusting sleeve is provided with anti-skid lines, the friction between the adjusting sleeve and fingers is increased, and the adjusting sleeve can be conveniently rotated.

[0015] The technical effects and advantages of the utility model are as follows:

[0016] The utility model discloses a pushing guide rod is arranged, makes the limiting plate press tightly MOS control thyristor, and is locked to the guide rod through locking assembly, and MOS control thyristor is fixed, and since MOS control thyristor is fixed, only need to insert the connecting terminal of detection instrument to the pin of MOS control thyristor when detecting, and operation is more convenient and fast.

[0017] The utility model discloses a placing groove can arrange and place multiple MOS control thyristors, and when detecting, only need to insert and plug connection the pin of MOS control thyristor and the connecting terminal of detection instrument, make the whole detection process more orderly.

[0018] The placing seat lower part both sides symmetry setting steering shaft, steering shaft and base rotation connection, placing seat can rotate certain angle relative to base, can adjust the angle of the pin on MOS control thyristor, facilitate better and detection instrument on the connection terminal cooperation connection. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structural diagram of the MOS control thyristor power test auxiliary device provided by the embodiment of the application;

[0020] Figure 2 It is the side view of the MOS control thyristor power test auxiliary device provided by the embodiment of the application;

[0021] Figure 3 It is the side view of the MOS control thyristor power test auxiliary device provided by the embodiment of the application after removing the base;

[0022] Figure 4 It is the side view structure schematic diagram of the MOS control thyristor power test auxiliary device provided by the embodiment of the application after removing the base;

[0023] Figure 5 It is the side view of the base in the MOS control thyristor power test auxiliary device provided by the embodiment of the application;

[0024] Figure 6 It is Figure 4 Structure diagram in A place in the middle;

[0025] Figure 7 It is the side view of the fixed plate in the MOS control thyristor power test auxiliary device provided by the embodiment of the application;

[0026] Figure 8 It is the structure diagram of the guide rod in the MOS control thyristor power test auxiliary device provided by the embodiment of the application;

[0027] Figure 9 It is the structure diagram of the MOS control thyristor power test auxiliary device provided by the embodiment of the application after removing the fixed plate;

[0028] Figure 10 It is the structure diagram of the placing seat in the MOS control thyristor power test auxiliary device provided by the embodiment of the application;

[0029] Figure 11 It is the structure diagram of the fixed plate in the MOS control thyristor power test auxiliary device provided by the embodiment of the application;

[0030] Figure 12 It is the structure diagram of the limiting plate in the MOS control thyristor power test auxiliary device provided by the embodiment of the application.

[0031] In the figure: placing seat 1, placing groove 2, supporting block 3, fixed plate 4, guide ring 5, clamping jaw 6, adjusting sleeve 7, guide rod 8, bottom plate 9, limiting plate 10, guide hole 11, limiting groove 12, mounting hole 13, threaded hole 14, MOS control thyristor 15, limiting shaft 16, steering shaft 17, adjusting screw sleeve 18. DETAILED DESCRIPTION

[0032] The embodiments of the present application are given for illustration and description only, and are not intended to be exhaustive or to limit the present application to the precise form disclosed. Many modifications and variations are possible in light of this disclosure. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application to thereby enable others skilled in the art to best utilize the present application for various embodiments with various modifications as are suited to the particular use contemplated. EMBODIMENT

[0033] Please refer to Figures 1-12 In the embodiment, to solve the above technical problems, the present application provides a MOS control thyristor power test auxiliary device, which comprises a placing seat 1 and a base, a placing groove 2 is formed in the upper part of the placing seat 1, the front end and the upper end of the placing groove 2 are open ends, a fixed plate 4 is arranged at the front end of the placing seat 1 corresponding to the placing groove 2, the fixed plate 4 is fixed with the placing seat 1 through screws, symmetric guide holes 11 are formed in the upper part of the fixed plate 4, guide rods 8 are connected with the guide holes 11 through sliding, one end of the guide rod 8 is connected with a limiting plate 10, a locking assembly is arranged at the front side of the fixed plate 4 corresponding to the guide hole 11, the guide rod 8 passes through the locking assembly, the locking assembly can lock the guide rod 8, a plurality of MOS control thyristors 15 are placed into the placing groove 2 in turn, the limiting plate 10 is pressed against the MOS control thyristors 15 by pushing the guide rod 8, the guide rod 8 is locked through the locking assembly, and the MOS control thyristors 15 are fixed. Since the MOS control thyristors 15 are fixed, only the connection terminals of the detection instrument need to be inserted into the pins of the MOS control thyristors 15 during detection, which is more convenient and fast. A plurality of MOS control thyristors 15 can be arranged in the placing groove 2, and only the pins of the MOS control thyristors 15 need to be connected with the connection terminals of the detection instrument during detection, which makes the whole detection process more orderly. The placing seat 1 is rotatably connected with the base through steering shafts 17 arranged symmetrically on the two sides of the lower part of the placing seat 1, the placing seat 1 can be rotated at a certain angle relative to the base, the angle of the pins on the MOS control thyristors 15 can be adjusted, and the MOS control thyristors 15 can be better connected with the connection terminals on the detection instrument.

[0034] The base comprises a bottom plate 9, symmetrical support blocks 3 are arranged on both sides of the upper end of the bottom plate 9, mounting holes 13 are arranged on the support blocks 3 corresponding to the steering shafts 17, the steering shafts 17 are inserted into the mounting holes 13 and rotate relative to the mounting holes 13, and limiting grooves 12 are arranged on the upper portions of the support blocks 3 and used for limiting the placement seat 1.

[0035] The limiting grooves 12 are arc grooves, and the center of the arc of the limiting grooves 12 coincides with the center of the mounting holes 13.

[0036] Symmetrical limiting shafts 16 are arranged on both sides of the lower portion of the placement seat 1, the smooth portions of the limiting shafts 16 are located in the limiting grooves 12 and slide relative to the limiting grooves 12, the range in which the limiting shafts 16 can slide in the limiting grooves 12 is the adjusting range of the placement seat 1 relative to the base, the threaded portions of the limiting shafts 16 extend to the outside of the support blocks 3 and are threadedly connected with adjusting sleeves 18, the adjusting sleeves 18 are tightened, the adjusting sleeves 18 are tightly attached to the support blocks 3 on one side, and the placement seat 1 is positioned by using friction.

[0037] The locking assembly comprises a guide ring 5 fixedly arranged on the fixed plate 4, the center of the guide ring 5 coincides with the center of the guide hole 11, clamping jaws 6 are arranged at equal intervals on the front end of the guide ring 5, the clamping jaws 6 are of elastic structure, an adjusting sleeve 7 is threadedly connected with the outside of the guide ring 5, the inside of the adjusting sleeve 7 is a tapered hole, the tapered hole of the inside of the adjusting sleeve 7 extrudes the clamping jaws 6 in the process of being tightened, the clamping jaws 6 are contracted to the center, the guide rod 8 is clamped and positioned, the adjusting sleeve 7 is loosened, the clamping jaws 6 return to the original position, the guide rod 8 is loosened, the guide rod 8 can move freely, the position of the limiting plate 10 can be adjusted at this time, and the use range of the auxiliary device can be increased.

[0038] The front end of the guide rod 8 is integrally provided with a disc structure with a diameter larger than that of the guide rod 8 and used for limiting the sliding position of the guide rod 8, the rear end of the guide rod 8 is of a threaded structure, and the rear end of the guide rod 8 is threadedly connected with the limiting plate 10, so that the guide rod 8 and the limiting plate 10 can be conveniently disassembled and assembled.

[0039] The surface of the limiting plate 10 is provided with a threaded hole 14 corresponding to the guide rod 8, and the rear end of the guide rod 8 is threadedly connected with the threaded hole 14.

[0040] The support block 3 is of an L-shaped plate structure, so that the support block 3 can be conveniently fixed on the bottom plate 9 by screws.

[0041] The outside of the adjusting sleeve 7 is engraved with anti-skid lines, the friction between the adjusting sleeve 7 and fingers is increased, and the adjusting sleeve 7 can be conveniently rotated.

[0042] The outside of the adjusting sleeve 18 is engraved with anti-skid lines, the friction between the adjusting sleeve 7 and fingers is increased, and the adjusting sleeve 18 can be conveniently rotated.

[0043] The control device, the control system, the switch and the driving module for making the device work in the embodiment 1 are provided by the corresponding manufacturers, in addition, the power supply module, the circuit, the electronic components and the control module in the utility model are all the prior art, and the person skilled in the art can realize them completely without unnecessary repetition, and the content protected by the utility model does not involve the improvement of the internal structure and the method.

[0044] Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art and the related field without creative labor should belong to the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field without special description and limitation.

Claims

1. A MOS controlled thyristor power test aid comprising a seating (1) and a base, characterized in that, The upper part of the placing seat (1) is provided with a placing groove (2), the front end and the upper end of the placing groove (2) are open ends, the front end of the placing seat (1) is provided with a fixed plate (4) corresponding to the placing groove (2), the fixed plate (4) is fixed to the placing seat (1) through screws, the upper part of the fixed plate (4) is provided with symmetrical guide holes (11), the guide holes (11) are slidably connected with guide rods (8), one end of the guide rod (8) is connected with a limiting plate (10), the front side of the fixed plate (4) is provided with a locking assembly corresponding to the guide hole (11), the guide rod (8) penetrates through the locking assembly, the locking assembly can lock the guide rod (8), a plurality of MOS control thyristors (15) are sequentially placed into the placing groove (2), the guide rod (8) is pushed to press the MOS control thyristor (15) by the limiting plate (10), and the guide rod (8) is locked by the locking assembly, so that the MOS control thyristor (15) is fixed, the lower part of the placing seat (1) is provided with symmetrical turning shafts (17) on the two sides, the turning shafts (17) are rotatably connected with the base, and the placing seat (1) can rotate relative to the base.

2. A MOS controlled thyristor power test aid according to claim 1, characterized in that The base comprises a bottom plate (9), symmetrical supporting blocks (3) are arranged on the both sides of the upper end of the bottom plate (9), mounting holes (13) are formed in the supporting blocks (3) corresponding to the turning shafts (17), the turning shafts (17) are inserted into the mounting holes (13) and rotate relative to the mounting holes (13), and the upper part of the supporting block (3) is provided with a limiting groove (12) for limiting the placing seat (1).

3. A MOS controlled thyristor power test aid according to claim 2, characterised in that, The limiting groove (12) is an arc-shaped groove, and the center of the arc of the limiting groove (12) coincides with the center of the mounting hole (13).

4. A MOS controlled thyristor power test aid according to claim 1, wherein, The lower part of the placing seat (1) is provided with symmetrical limiting shafts (16) on the two sides, the smooth part of the limiting shaft (16) is located in the limiting groove (12) and slides relative to the limiting groove (12), the sliding range of the limiting shaft (16) in the limiting groove (12) is the adjusting range of the placing seat (1) relative to the base, the threaded part of the limiting shaft (16) extends to the outside of the supporting block (3) and is threadedly connected with an adjusting sleeve (18), the adjusting sleeve (18) is tightened, the adjusting sleeve (18) is tightly attached to the supporting block (3) on one side, and the placing seat (1) is positioned by using friction.

5. A MOS controlled thyristor power test aid according to claim 1, wherein, The locking assembly comprises a guide ring (5) fixedly arranged on the fixed plate (4), the axis of the guide ring (5) coincides with the axis of the guide hole (11), equidistant clamping jaws (6) are arranged at the front end of the guide ring (5), the clamping jaws (6) are of elastic structure, an adjusting sleeve (7) is threadedly connected to the outer side of the guide ring (5), the inner side of the adjusting sleeve (7) is a tapered hole, and the tapered hole of the adjusting sleeve (7) extrudes the clamping jaw (6) in the process of being tightened, and the clamping jaw (6) clamps the guide rod (8).

6. A MOS controlled thyristor power test aid according to claim 1, wherein, The front end of the guide rod (8) is integrally provided with a disc structure with a diameter larger than that of the guide rod (8), which is used for limiting the sliding position of the guide rod (8), the rear end of the guide rod (8) is a threaded structure, and the rear end of the guide rod (8) is threadedly connected with the limiting plate (10), so that the guide rod (8) and the limiting plate (10) can be disassembled conveniently.

7. A MOS controlled thyristor power test aid according to claim 1, wherein, The plate surface of the limiting plate (10) is provided with a threaded hole (14) corresponding to the guide rod (8), and the rear end of the guide rod (8) is threadedly connected with the threaded hole (14).

8. A MOS controlled thyristor power test aid according to claim 2, wherein, The support block (3) is an L-shaped plate structure, which is convenient for being fixed on the bottom plate (9) through screws.

9. A MOS controlled thyristor power test aid according to claim 5, wherein, The outer side surface of the adjusting sleeve (7) is engraved with anti-skid lines, so as to increase the friction between the adjusting sleeve (7) and fingers, and facilitate the rotation of the adjusting sleeve (7).

10. A MOS controlled thyristor power test aid according to claim 4, wherein, The outer side surface of the adjusting sleeve (18) is engraved with anti-skid lines, so as to increase the friction between the adjusting sleeve (7) and fingers, and facilitate the rotation of the adjusting sleeve (18).

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