CN218767218U

CN218767218U - Detection device for thyristor production

Info

Publication number: CN218767218U
Application number: CN202222808563.6U
Authority: CN
Inventors: 夏清波
Original assignee: Xiangyang Zhongli Electronics Co ltd
Current assignee: Xiangyang Zhongli Electronics Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-03-28
Anticipated expiration: 2032-10-25

Abstract

The application relates to a detection device for thyristor production, which comprises a universal meter, a first detection device and a second detection device, wherein the universal meter is provided with two meter pens for detecting a thyristor; the pen-shaped meter comprises a base, wherein three clamping grooves matched with a meter pen are formed in the base; the auxiliary supporting mechanism comprises a support column, a support plate and a clamping piece, the support column is arranged on the base, the support plate is arranged on the support column in a sliding mode, and the clamping piece is arranged on the support plate and used for clamping the thyristor; three cushion, it is three the cushion equidistance sets up on the base, just the cushion is located the holder bottom, and this application accessible universal meter, base, pillar, backup pad and holder can avoid the thyristor to take place to slide for the contact is more stable between universal meter pen-shape metre and the thyristor pin, guarantees the effect that detects, and testing process convenient operation, and is simple convenient.

Description

Detection device for thyristor production

Technical Field

The application relates to the technical field of thyristor production, in particular to a detection device for thyristor production.

Background

A thyristor, also known as a silicon controlled rectifier, is a PNPN four-layer semiconductor structure having three poles: an anode, a cathode and a gate; the working conditions of the thyristor are as follows: applying a forward voltage and having a trigger current at the gate; the derivative devices are as follows: fast thyristors, bidirectional thyristors, reverse conducting thyristors, photothyristors, etc.

The thyristors can be divided into a plurality of types, such as ordinary thyristors, bidirectional thyristors, reverse conducting thyristors, gate turn-off thyristors, BTG thyristors, temperature-controlled thyristors, and light-controlled thyristors, according to their turn-off, turn-on, and control modes.

At present, the thyristor can appear opening a way and breakdown the inefficacy condition such as in production and use, generally need carry out fault detection to it, the mode commonly used adopts the universal meter to go on to positive, negative resistance value between each pin of thyristor, current detection is usually put the thyristor on the insulating pad, or support with the hand, make the pen-shape metre of universal meter and the contact of thyristor pin afterwards, thereby accomplish and detect, but because pen-shape metre and pin area of contact are smaller in the testing process, the thyristor is directly placed and is taken place the slip easily, the contact is not stable enough between the two, influence the effect that detects, it is inconvenient to use to have.

In view of the above problems, a testing apparatus for thyristor production is now devised.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a detection apparatus for be used for thyristor production to because pen-shape metre is smaller with pin area of contact in solving the prior art in the testing process, the thyristor directly places and takes place to slide easily, and the contact is not stable enough between the two, influences the effect that detects, uses and has inconvenient problem.

In a first aspect, a testing apparatus for thyristor production is provided, comprising:

the universal meter is provided with two meter pens for detecting the thyristor;

the pen-shaped meter comprises a base, wherein three clamping grooves matched with a meter pen are formed in the base;

the auxiliary supporting mechanism comprises a support column, a support plate and a clamping piece, the support column is arranged on the base, the support plate is arranged on the support column in a sliding mode, and the clamping piece is arranged on the support plate and used for clamping the thyristor;

the three cushion blocks are arranged on the base at equal intervals and are located at the bottom of the clamping piece.

In some embodiments, a placing groove is formed in the base, the three cushion blocks are located inside the placing groove, and the three cushion blocks and the three clamping grooves are respectively arranged in parallel correspondingly.

In some embodiments, the meter pen is clamped inside the corresponding clamping groove, and one end of the meter pen close to the base is in contact with the top of the cushion block.

In some embodiments, the clamping member comprises a first clamping plate, a second clamping plate, four groups of springs and a fixing plate, wherein the first clamping plate is arranged on the supporting plate in four groups, the second clamping plate is arranged on the supporting plate in a sliding mode, the four groups of springs are arranged on the side, away from the first clamping plate, of the second clamping plate, and the fixing plate is arranged on the supporting plate;

one side, far away from the second splint, of the spring is connected with the fixed plate, the first splint and the second splint are arranged oppositely, a pull rod is arranged on one side, far away from the first splint, of the second splint, and one end, far away from the second splint, of the pull rod penetrates through the fixed plate and extends to the outer side of the fixed plate.

In some embodiments, the sponge rubber pads are arranged on the opposite sides of the first clamping plate and the second clamping plate, and the opposite sides of the two sponge rubber pads are arc-shaped.

In some embodiments, the lifting mechanism comprises a sliding block, a connecting rod, a threaded rod and a driving motor, wherein the threaded rod and the driving motor are connected with each other;

the strut is provided with a sliding hole, and one end of the connecting rod, which is far away from the sliding block, penetrates through the sliding hole and is connected with the supporting plate.

The embodiment of the application provides a detection device for thyristor production, carry out the centre gripping to the thyristor through the holder to let the pin of thyristor bottom be located corresponding cushion top respectively or contact with the cushion, later with the pen-shape metre joint of universal meter inside the draw-in groove, let the pin contact of pen-shape metre and thyristor, thereby avoid the thyristor to take place to slide, make the contact between the two more stable, guarantee the effect that detects, and testing process convenient operation, it is simple convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic three-dimensional structure provided in an embodiment of the present application;

FIG. 2 is a front view of a clamp connection provided in accordance with an embodiment of the present application;

FIG. 3 is an elevational cross-sectional view of a strut provided in accordance with an embodiment of the present application;

fig. 4 is a top view of a base provided in an embodiment of the present application.

In the figure: 1. a universal meter; 2. a base; 3. cushion blocks; 10. an auxiliary support mechanism; 11. a pillar; 12. a support plate; 13. a clamping member; 131. a first splint; 132. a second splint; 133. a spring; 134. a fixing plate; 135. a pull rod; 30. a lifting mechanism; 31. a threaded rod; 32. a drive motor; 33. a slider; 34. a connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a detection apparatus for be used for thyristor production, and it is because pen-shape metre and pin area of contact are smaller in can solving the prior art in the testing process, the thyristor directly places and takes place to slide easily, and the contact is not stable enough between the two, influences the effect that detects, uses and has inconvenient problem.

Referring to fig. 1-3, a detection device for thyristor production comprises a multimeter 1, a base 2, an auxiliary support mechanism 10 and three cushion blocks 3, wherein the multimeter 1 is provided with two meter pens for detecting thyristors, and the base 2 is provided with three card slots adapted to the meter pens; the auxiliary supporting mechanism 10 comprises a support column 11, a supporting plate 12 and a clamping piece 13, wherein the support column 11 is arranged on the base 2, the supporting plate 12 is arranged on the support column 11 in a sliding mode, and the clamping piece 13 is arranged on the supporting plate 12 and used for clamping the thyristor; the three cushion blocks 3 are equidistantly arranged on the base 2, the three cushion blocks 3 are arranged along the width direction of the base 2, and the cushion blocks 3 are positioned at the bottom of the clamping piece 13.

The meter pen is clamped inside the corresponding clamping groove, and one end, close to the base 2, of the meter pen is in contact with the top of the cushion block 3.

In the testing process, with the thyristor centre gripping on holder 13, let thyristor bottom pin and the cushion 3 that corresponds contact, inside two pen-shape metre joints on multimeter 1 are inside the draw-in groove that corresponds afterwards, let the nib and the pin of pen-shape metre contact, can let the contact between the two stable.

Preferably, as shown in fig. 1 and 4, the pad 3 in this embodiment is a metal conductor, and when the device is used, the pin of the thyristor is in contact with the corresponding metal conductor, and then the stylus is inserted into the slot, so that the stylus and the corresponding metal conductor can still be detected, and thus the contact area between the stylus and the pin is increased, and the contact between the stylus and the pin is more stable.

It should be noted that, in this embodiment, a placing groove is formed in the base 2, three of the pads 3 are located inside the placing groove, the three pads 3 and three slots are respectively arranged in parallel, and in the using process, the pads are arranged at the bottom of the pen point, so that the pins of the thyristor can be kept in contact with the side wall of the meter pen head, and the detection effect is improved.

Further, as shown in fig. 1 and 2, the clamping member 13 in this embodiment includes a first clamping plate 131, a second clamping plate 132, four sets of springs 133 and a fixing plate 134, the first clamping plate 131 is arranged on the support plate 12 in four sets, the second clamping plate 132 is arranged on the support plate 12 in a sliding manner, the four sets of springs 133 are arranged on the side of the second clamping plate 132 away from the first clamping plate 131, and the fixing plate 134 is arranged on the support plate 12;

one side of the spring 133, which is far away from the second clamping plate 132, is connected with the fixing plate 134, the first clamping plate 131 and the second clamping plate 132 are oppositely arranged, a pull rod 135 is arranged on one side of the second clamping plate 132, which is far away from the first clamping plate 131, and one end of the pull rod 135, which is far away from the second clamping plate 132, penetrates through the fixing plate 134 and extends to the outer side of the fixing plate 134.

In order to facilitate clamping of the thyristor, in use, by pulling the pull rod 135 towards the side away from the second clamp 132, the pull rod 135 drives the second clamp 132 away from the first clamp 131 while compressing the spring 133, then the thyristor is placed between the first clamp 131 and the second clamp 132, the pull rod 135 is slowly released, and the second clamp 132 is brought close to the thyristor and clamps it by the elastic action of the spring 133.

Preferably, as shown in fig. 2, sponge rubber pads are disposed on opposite sides of the first clamping plate 131 and the second clamping plate 132, and opposite sides of the two sponge rubber pads are arc-shaped.

When carrying out the centre gripping to the thyristor, can protect it through the sponge rubber pad, the arc side of sponge rubber pad can improve the centre gripping effect to the thyristor simultaneously.

Further, as shown in fig. 1 and 3, the lifting device 30 further includes a lifting mechanism 30, the lifting mechanism 30 includes a sliding block 33, a connecting rod 34, a threaded rod 31 and a driving motor 32 which are connected with each other, the driving motor 32 is disposed inside the pillar 11, the threaded rod 31 is far away from the driving motor 32 and is rotatably connected with the inner side wall of the pillar 11, an internal thread matched with the external thread of the threaded rod 31 is disposed inside the sliding block 33, the sliding block 33 is connected with the threaded rod 31, and the connecting rod 34 is disposed on the sliding block 33; a sliding hole is formed in the pillar 11, and one end of the connecting rod 34, which is far away from the sliding block 33, penetrates through the sliding hole and is connected with the supporting plate 12.

In the use, in order to let the thyristor bottom pin of different length either can contact with cushion 3 or can be located and correspond cushion 3 top, when using, through starting driving motor 32, driving motor 32 drives threaded rod 31 and rotates, under the screw thread rotation thrust of threaded rod 31 and the limiting displacement of connecting rod 34, drives slider 33 and goes up and down, and then connecting rod 34 carries out height control to backup pad 12.

The working principle of the application is as follows:

according to the length of the thyristor to be detected, the driving motor 32 is started, the driving motor 32 drives the threaded rod 31 to rotate, under the screw thread rotating thrust of the threaded rod 31 and the limiting effect of the connecting rod 34, the sliding block 33 and the supporting plate 12 are driven to lift, the supporting plate 12 is adjusted to a proper height, the pull rod 135 is pulled to drive the second clamping plate 132 to be far away from the first clamping plate 131, meanwhile, the second clamping plate 132 is driven to compress the spring 133, then, the thyristor is placed between the first clamping plate 131 and the second clamping plate 132, the pull rod 135 is slowly loosened, the spring 133 recovers a natural state, the second clamping plate 132 is close to the thyristor and clamps the thyristor, pins at the bottom of the thyristor and the corresponding cushion blocks 3 are made, then, two meter pens of the universal meter 1 are inserted into corresponding clamping grooves, metal pen points at the front ends of the meter pens are in contact with the pins, and therefore detection work is carried out on positive and negative resistance values between the pins.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A testing apparatus for thyristor production, comprising:

a multimeter (1) having two styluses for detecting thyristors;

the pen-shaped meter comprises a base (2), wherein three clamping grooves matched with a meter pen are formed in the base (2);

the auxiliary supporting mechanism (10) comprises a support column (11), a supporting plate (12) and a clamping piece (13), the support column (11) is arranged on the base (2), the supporting plate (12) is arranged on the support column (11) in a sliding mode, and the clamping piece (13) is arranged on the supporting plate (12) and used for clamping the thyristor;

the three cushion blocks (3) are arranged on the base (2) at equal intervals, and the cushion blocks (3) are located at the bottom of the clamping piece (13).

2. A testing apparatus for thyristor production according to claim 1, wherein:

the base (2) is provided with a placing groove, the three cushion blocks (3) are located inside the placing groove, and the three cushion blocks (3) and the three clamping grooves are respectively arranged in parallel correspondingly.

3. A testing apparatus for thyristor production according to claim 1, wherein:

the meter pen is clamped inside the corresponding clamping groove, and one end, close to the base (2), of the meter pen is in contact with the top of the cushion block (3).

4. A testing apparatus for thyristor production according to claim 1, wherein:

the clamping piece (13) comprises a first clamping plate (131), a second clamping plate (132), four groups of springs (133) and a fixing plate (134), wherein the four groups of the first clamping plate (131) are arranged on the supporting plate (12), the second clamping plate (132) is arranged on the supporting plate (12) in a sliding mode, the four groups of the springs (133) are arranged on one side, far away from the first clamping plate (131), of the second clamping plate (132), and the fixing plate (134) is arranged on the supporting plate (12);

spring (133) are kept away from second splint (132) one side and are connected with fixed plate (134), first splint (131) and second splint (132) set up relatively, just second splint (132) are kept away from first splint (131) one side and are provided with pull rod (135), pull rod (135) are kept away from second splint (132) one end and are run through fixed plate (134) and extend to the fixed plate (134) outside.

5. A testing apparatus for thyristor production according to claim 4 wherein:

the opposite sides of the first clamping plate (131) and the second clamping plate (132) are provided with sponge rubber pads, and the opposite sides of the two sponge rubber pads are arc-shaped.

6. A testing apparatus for thyristor production according to claim 1, wherein:

the lifting mechanism (30) comprises a sliding block (33), a connecting rod (34), a threaded rod (31) and a driving motor (32), wherein the threaded rod (31) and the driving motor (32) are connected with each other, the driving motor (32) is arranged in the strut (11), the sliding block (33) is connected with the threaded rod (31), and the connecting rod (34) is arranged on the sliding block (33);

a sliding hole is formed in the support column (11), and one end, far away from the sliding block (33), of the connecting rod (34) penetrates through the sliding hole and is connected with the supporting plate (12).