Detection device for thyristor production

Abstract

The utility model discloses a detection device for thyristor production, which comprises a base, a supporting seat, a fixed transverse plate, a lifting rod, a mounting seat, an electric push rod, a first motor and a second motor, a placement box is arranged on one side of the base, a containing groove is arranged in the placement box, a plurality of placement grooves are arranged at the bottom of the placement box, and the first motor is arranged in the containing groove. Supporting seats are arranged on the two sides of the base, a first motor is arranged on one side of each supporting seat, an adjusting screw rod is arranged at the shaft end of each first motor, guide rods are arranged at the positions, corresponding to the adjusting screw rods, in the two supporting seats, adjusting seats are connected to the adjusting screw rods and the guide rods in a sleeving mode, and fixing columns are arranged on the two adjusting seats. And a fixed transverse plate is arranged at the ends, away from the adjusting seat, of the two fixed columns. The device is simple in structure, and meets the detection requirements of different pins of the thyristor.

Description

Technical Field

[0001] The utility model relates to the technical field of thyristor detection, in particular to a detection device used for thyristor production. Background Art

[0002] Thyristor is also called silicon controlled rectifier. Thyristor is a PNPN four-layer semiconductor structure with three poles: anode, cathode and gate. The working conditions of thyristor are: positive voltage is applied and there is trigger current at the gate. Its derived devices include fast thyristor, bidirectional thyristor, reverse conducting thyristor, photo-controlled thyristor, etc. Thyristor can be divided into ordinary thyristor, bidirectional thyristor, reverse conducting thyristor, gate turn-off thyristor, BTG thyristor, temperature-controlled thyristor and photo-controlled thyristor according to its turn-off, conduction and control mode.

[0003] At present, thyristors may fail in the process of production and use, such as open circuit and breakdown. Usually, they need to be tested for faults. The common method is to use a multimeter to measure the positive and negative resistance values ​​between the pins of the thyristor. The existing test usually places the thyristor on an insulating pad or holds it with the hand, and then makes the multimeter's test leads contact with the thyristor pins to complete the test.

[0004] However, in the prior art, the test leads of the multimeter need to be frequently taken and put down during actual testing, which causes a large amount of operation. Therefore, the utility model proposes a testing device for thyristor production, which automatically adjusts the contact position between different pins and the test leads to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide a detection device for thyristor production to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a detection device for thyristor production, comprising a base, a support seat, a fixed horizontal plate, a lifting rod, a mounting seat, an electric push rod, a first motor and a second motor, a placement box is provided on one side of the base, a receiving groove is provided in the placement box, a plurality of placement grooves are provided at the bottom of the placement box, support seats are provided on both sides of the base, a first motor is provided on one side of the two support seats, an adjusting screw is provided at the axial end of the first motor, guide rods are provided at positions corresponding to the adjusting screws in the two support seats, an adjusting seat is sleeved on the adjusting screw and the guide rod, a fixing column is provided on the two adjusting seats, and a fixing horizontal plate is provided on the end of the two fixing columns away from the adjusting seat.

[0007] Preferably, a lifting rod is provided on the fixed horizontal plate, a mounting seat is provided on one end of the lifting rod away from the fixed horizontal plate, a second motor is provided on one side of the mounting seat, a moving screw is provided at the shaft end of the second motor, and a sliding rod is provided in the mounting seat near the moving screw.

[0008] Preferably, a moving seat is sleeved on the moving screw and the sliding rod, a moving column is provided on the lower side of the moving seat, a sliding groove is provided at a position corresponding to the moving column on the mounting seat, a placing tube is provided on the end of the moving column away from the moving seat, and a circular groove is provided in the placing tube.

[0009] Preferably, a fixing plate is provided on the side of the mounting seat away from the second motor, an electric push rod is provided on the fixing plate, and a placement tube is also provided on the end of the electric push rod away from the fixing plate.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a simple structure and meets the detection requirements of different pins of the thyristor. Through the placement box and the placement groove, it is ensured that the pins of the thyristor can extend out of the placement box for detection. Through the placement tube, it is ensured that the test leads of the multimeter can be placed and the test leads can contact with the pins of the thyristor, thereby completing the detection operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0013] Figure 3 It is a schematic diagram of the top structure of the utility model.

[0014] In the figure: 1. base; 2. support seat; 3. fixed horizontal plate; 4. lifting rod; 5. mounting seat; 6. electric push rod; 7. first motor; 8. second motor; 9. placement box; 10. receiving slot; 11. placement slot; 12. adjustment seat; 13. fixed column; 14. fixed plate; 15. moving seat; 16. placement cylinder. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0017] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] See also Figure 1-3 The utility model provides a technical solution: a detection device for thyristor production, comprising a base 1, a support base 2, a fixed horizontal plate 3, a lifting rod 4, a mounting base 5, an electric push rod 6, a first motor 7 and a second motor 8. A placement box 9 is provided on one side of the base 1, and a receiving groove 10 is provided in the placement box 9. A plurality of placement grooves 11 are provided at the bottom of the placement box 9. Support bases 2 are provided on both sides of the base 1. A first motor 7 is provided on one side of the two support bases 2. An adjusting screw is provided at the axial end of the first motor 7. A guide rod is provided at a position corresponding to the adjusting screw in the two support bases 2. An adjusting base 12 is sleeved on the adjusting screw and the guide rod. A fixing column 13 is provided on the two adjusting bases 12. A fixing horizontal plate 3 is provided on the end of the two fixing columns 13 away from the adjusting base 12.

[0019] In this embodiment, a lifting rod 4 is provided on the fixed horizontal plate 3, and a mounting seat 5 is provided on the end of the lifting rod 4 away from the fixed horizontal plate 3. A second motor 8 is provided on one side of the mounting seat 5, and a moving screw is provided at the shaft end of the second motor 8. A sliding rod is provided in the mounting seat 5 near the moving screw.

[0020] In this embodiment, a moving seat 15 is sleeved on the moving screw and the sliding rod, a moving column is provided on the lower side of the moving seat 15, a sliding groove is provided at a position corresponding to the moving column on the mounting seat 5, and a placing tube 16 is provided on the end of the moving column away from the moving seat 15, and a circular groove is provided in the placing tube 16.

[0021] In this embodiment, a fixing plate 14 is provided on the side of the mounting base 5 away from the second motor 8 , an electric push rod 6 is provided on the fixing plate 14 , and a placement tube 16 is also provided on the end of the electric push rod 6 away from the fixing plate 14 .

[0022] Working principle: the staff places the thyristor in the placement box 9, and its pins extend out of the placement box 9 through the placement slot 11, and then the second motor 8 is used to rotate the moving screw, so that the moving seat 15 moves accordingly, and then the placement tube 16 is aligned with one of the pins, and then the multimeter's test lead is placed in the placement tube 16, and then the electric push rod 6 is used to align the other placement tube 16 with the other pin, and then the lifting rod 4 is used to align the placement tube 16 with the pin height, and then the first motor 7 is used to rotate the adjusting screw, and the adjusting seat 12 moves accordingly, so that the test lead contacts with the pin, and then the detection is completed.

[0023] It is worth noting that the entire device is controlled by a main control button. Since the device matched with the control button is a common device and belongs to the existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A detection device for thyristor production, characterized in that: The invention comprises a base (1), a support base (2), a fixed horizontal plate (3), a lifting rod (4), a mounting base (5), an electric push rod (6), a first motor (7) and a second motor (8); a placement box (9) is provided on one side of the base (1); a receiving groove (10) is provided in the placement box (9); a plurality of placement grooves (11) are provided at the bottom of the placement box (9); support bases (2) are provided on both sides of the base (1); a first motor (7) is provided on one side of the two support bases (2); an adjusting screw is provided at the axial end of the first motor (7); guide rods are provided at positions corresponding to the adjusting screws in the two support bases (2); an adjusting base (12) is sleeved on the adjusting screw and the guide rod; a fixing column (13) is provided on the two adjusting bases (12); a fixing horizontal plate (3) is provided on the ends of the two fixing columns (13) away from the adjusting base (12).

2. A detection device for thyristor production according to claim 1, characterized in that: A lifting rod (4) is provided on the fixed horizontal plate (3), a mounting seat (5) is provided on one end of the lifting rod (4) away from the fixed horizontal plate (3), a second motor (8) is provided on one side of the mounting seat (5), a moving screw is provided at the shaft end of the second motor (8), and a sliding rod is provided in the mounting seat (5) at a position close to the moving screw.

3. A detection device for thyristor production according to claim 2, characterized in that: A moving seat (15) is sleeved on the moving screw rod and the sliding rod, a moving column is provided on the lower side of the moving seat (15), a sliding groove is provided at a position corresponding to the moving column on the mounting seat (5), a placement tube (16) is provided on the end of the moving column away from the moving seat (15), and a circular groove is provided in the placement tube (16).

4. A detection device for thyristor production according to claim 3, characterized in that: A fixing plate (14) is provided on the side of the mounting seat (5) away from the second motor (8), an electric push rod (6) is provided on the fixing plate (14), and a placement tube (16) is also provided on the end of the electric push rod (6) away from the fixing plate (14).

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