CN213001276U

CN213001276U - Triode withstand voltage testing device

Info

Publication number: CN213001276U
Application number: CN202021502003.2U
Authority: CN
Inventors: 罗小兵; 王琴; 黄爱民
Original assignee: Zhuhai Jintai Electronic Technology Co ltd
Current assignee: Zhuhai Jintai Electronic Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-20
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a triode withstand voltage testing arrangement, concretely relates to triode test field, including the installing frame, the bottom fixed mounting of installing frame has the fixed column, bearing movable mounting has the sheave at the top of fixed column, the top of sheave is provided with the carousel, the top fixed mounting of carousel has four groups to be the work piece that the annular array set up and places the board, the work piece is placed the top of board and has been seted up the multiunit draw-in groove, the inboard top fixed mounting of installing frame has electric telescopic handle, electric telescopic handle's bottom fixed mounting has the mounting panel. The utility model discloses a set up the multiunit draw-in groove, place the triode in the draw-in groove, make its pin up, control electric telescopic handle moves down, and electric telescopic handle drives the mounting panel and moves down, and the mounting panel drives the base plate and moves down, makes the test piece and corresponds the pin overlap joint of triode in the draw-in groove, and the circular telegram can carry out withstand voltage test to the triode, has improved the efficiency of software testing of device greatly.

Description

Triode withstand voltage testing device

Technical Field

The utility model relates to a triode test technical field, more specifically says, the utility model relates to a triode withstand voltage test device.

Background

The triode is a semiconductor device for controlling current, which is called a semiconductor triode, also called a bipolar transistor and a transistor. The function is to amplify the weak signal into an electric signal with larger amplitude value, and the electric signal is also used as a contactless switch.

The triode is one of semiconductor basic components, has the function of current amplification and is a core element of an electronic circuit. The triode is formed by manufacturing two PN junctions which are very close to each other on a semiconductor substrate, the whole semiconductor is divided into three parts by the two PN junctions, the middle part is a base region, the two side parts are an emitter region and a collector region, and the arrangement modes include PNP and NPN. The triode is firstly subjected to a withstand voltage test before being sold and delivered. The operation steps are generally as follows: and adding test voltage on two sides of the manufactured triode for a plurality of times, manually setting the voltage value and the test time, observing whether the triode is damaged or not and burnt out, judging that the element belongs to a qualified product after the test if the appearance of the element is not changed before and after the test, and otherwise, judging that the element is a defective product.

In the prior art, the steps are generally tested one by one manually, so that the speed is low, the testing efficiency is low, and risks also exist.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a triode withstand voltage test device, the utility model aims to solve the problem that: the existing triode withstand voltage testing device has low working efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a triode withstand voltage testing device comprises an installation frame, wherein the installation frame is of a C-shaped structure, a fixed column is fixedly installed at the bottom of the installation frame, a grooved pulley is movably installed at the top of the fixed column through a bearing, a rotary table is arranged at the top of the grooved pulley, four groups of workpiece placing plates arranged in an annular array are fixedly installed at the top of the rotary table, multiple groups of clamping grooves are formed in the top of each workpiece placing plate, an electric telescopic rod is fixedly installed at the top of the inner side of the installation frame, and an installation plate is fixedly installed at the bottom end of the electric telescopic rod;

the bottom fixed mounting of mounting panel has the base plate, the bottom fixed mounting of base plate has the multiunit interface seat, two sets of test card of the bottom fixedly connected with of interface seat, test card and interface seat electric connection, the base plate is located the work piece and places the board directly over, and the multiunit the interface seat sets up with multiunit draw-in groove one-to-one, the bottom fixed mounting of installing frame has driving motor, driving motor's the fixed cover of output shaft end is equipped with the connecting rod, driving motor's one end fixed mounting is kept away from to the connecting rod has the movable block, the U-shaped groove that sets up four groups and be the annular array setting is run through at the top of sheave, the movable block slides and.

In a preferred embodiment, a display device and a withstand voltage tester are fixedly mounted on the top of the mounting frame, and both the display device and the withstand voltage tester are electrically connected with the interface seat and the test strip.

In a preferred embodiment, a plurality of groups of display lamps are arranged on the display device, and the plurality of groups of display lamps are respectively arranged in one-to-one correspondence with the plurality of groups of test strips.

In a preferred embodiment, the two groups of test strips are arranged obliquely, and the test strips are opposite to the clamping grooves.

In a preferred embodiment, a limiting spring is fixedly mounted at the top of the turntable, the limiting spring is located under the mounting plate and does not contact with the substrate, a connecting shaft is fixedly mounted at the center of the bottom of the turntable, and the turntable is fixedly connected with the grooved pulley through the connecting shaft.

In a preferred embodiment, a through hole is formed through one side of the mounting frame, which is close to the driving motor, and the through hole is opposite to the movable block.

In a preferred embodiment, a sliding groove is formed in the mounting frame close to the inner side of the electric telescopic rod, a sliding block is slidably mounted in the sliding groove, and the sliding block is fixedly connected with the mounting plate.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up the multiunit draw-in groove, place the triode in the draw-in groove, make its pin up, control electric telescopic handle move down, electric telescopic handle drives the mounting panel and moves down, the mounting panel drives the base plate and moves down, make the test strip overlap joint with the pin of triode in the corresponding draw-in groove, the circular telegram carries out the withstand voltage test to the triode, set up multiunit draw-in groove and corresponding test strip, make once testable multiunit triode, improved the test efficiency of device greatly, compared with the prior art, there is the progress that improves the test efficiency;

2. the utility model discloses a set up driving motor, the connecting rod, movable block and sheave, driving motor rotates and drives the connecting rod and rotate, the connecting rod drives the movable block and slides in the U-shaped inslot on the sheave, the movable block drives the sheave rotation in gliding, owing to set up four U-shaped grooves, consequently driving motor rotates the round per revolution, the sheave rotates the quarter round, thereby can set up four stations on the messenger's carousel, when one of them station is testing, another station can choose the ejection of compact or insert the draw-in groove with the triode that still does not detect with the substandard product that has detected, through the rotatory change of each station, can further improve the efficiency of software testing of device, compared with the prior art, there is the progress that further improves efficiency of software testing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic top view of the sheave and movable block matching structure of the present invention;

fig. 3 is a schematic top view of the turntable of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 5 is a schematic structural diagram of the triode of the present invention.

The reference signs are: the device comprises a mounting frame 1, a fixed column 11, a through hole 12, a sliding chute 13, a pressure tester 14, a grooved wheel 2, a U-shaped groove 21, a driving motor 3, a connecting rod 31, a movable block 32, a rotating disc 4, a connecting shaft 41, a limiting spring 42, a workpiece placing plate 5, a clamping groove 51, a triode 6, an electric telescopic rod 7, an installation plate 8, a base plate 81, a sliding block 82, an interface seat 83, a test piece 84, a display device 9 and a display lamp 91.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model relates to a triode withstand voltage testing arrangement, can include installing frame 1, installing frame 1 is C shape structure, the bottom fixed mounting of installing frame 1 has fixed column 11, there is sheave 2 at the top of fixed column 11 through bearing movable mounting, sheave 2's top is provided with carousel 4, the top fixed mounting of carousel 4 has four groups to be the work piece that the annular array set up and places board 5, the work piece is placed the top of board 5 and has been seted up multiunit draw-in groove 51, the inboard top fixed mounting of installing frame 1 has electric telescopic handle 7, electric telescopic handle 7's bottom fixed mounting has mounting panel 8.

Referring to fig. 1 to 5 in the specification, a substrate 81 is fixedly mounted at the bottom of a mounting plate 8 of the device for testing withstand voltage of a triode according to this embodiment, a plurality of sets of interface seats 83 are fixedly mounted at the bottom of the substrate 81, two sets of test pieces 84 are fixedly connected to the bottom of the interface seats 83, the test pieces 84 are electrically connected to the interface seats 83, the substrate 81 is located right above a workpiece placing plate 5, the plurality of sets of interface seats 83 are arranged in one-to-one correspondence with the plurality of sets of slots 51, a driving motor 3 is fixedly mounted at the bottom of the mounting frame 1, a connecting rod 31 is fixedly sleeved on an output end of the driving motor 3, a movable block 32 is fixedly mounted at one end of the connecting rod 31 far away from the driving motor 3, four sets of U-shaped grooves 21 arranged in an annular array are formed through the top of the.

As shown in fig. 1 to 5, the implementation scenario specifically includes: in practical use, a testing part of the triode voltage-withstanding testing device mainly comprises a substrate 81, an interface seat 83 electrically connected with a testing instrument, a plurality of groups of conducting wires and a plurality of pairs of testing pieces 84 used for lapping the pins of the triode 6, wherein the interface seat 83 and the plurality of pairs of testing pieces 84 are fixedly arranged on the substrate 81, each pair of testing pieces 84 is electrically connected with a fastening screw of the interface seat 83 and fixedly connected with the interface seat 83 through the conducting wires, and when in testing, each pin of a triode 6 device is only required to be lapped with one pair of testing pieces 84 respectively, and a testing passage is formed through a conventional series connection mode, so that the voltage-withstanding test of the device can be realized; because the triodes 6 are placed in the clamping grooves 51 by the plurality of groups of clamping grooves 51 arranged in the application, pins of the triodes 6 are upward, the electric telescopic rod 7 is controlled to move downwards, the electric telescopic rod 7 drives the mounting plate 8 to move downwards, the mounting plate 8 drives the base plate 81 to move downwards, so that the test sheet 84 is in lap joint with the pins of the triodes 6 in the corresponding clamping grooves 51, the triodes 6 are electrified to carry out withstand voltage test, firstly, 220V working voltage is continuously applied, then, the voltage is sequentially increased, whether a relay communicated with a test passage is disconnected at the moment is checked, if the relay is disconnected, the triodes 6 are punctured, the test is failed, and; if the relay is not disconnected, the triodes 6 pass a voltage withstanding test and are qualified in detection, and a plurality of groups of clamping grooves 51 and corresponding test pieces 84 are arranged, so that a plurality of groups of triodes 6 can be tested at one time, the test efficiency of the device is greatly improved, and workers can be helped to quickly find unqualified and unqualified inferior products in detection by comparing the display lamps 91 (each display lamp 91 corresponds to the triode 6 with the clamping groove at different positions); through setting up driving motor 3, connecting rod 31, movable block 32 and sheave 2, driving motor 3 rotates and drives connecting rod 31 and rotate, connecting rod 31 drives movable block 32 and slides in the U-shaped groove 21 on sheave 2, movable block 32 drives sheave 2 rotatory in gliding, owing to set up four U-shaped grooves 21, therefore driving motor 3 rotates once, sheave 2 rotates quarter round, thereby can set up four stations on making carousel 4, when one of them station is testing, another station can choose the ejection of compact with the substandard product that has detected or insert triode 6 that has not yet detected into draw-in groove 51, through the rotatory change of each station, can further increase the test efficiency of device, this embodiment has specifically solved the problem that the testing arrangement work efficiency that exists among the prior art is low.

The top fixed mounting of installing frame 1 has display device 9 and withstand voltage tester 14, display device 9 and withstand voltage tester 14 all with interface seat 83 and test piece 84 electric connection.

A plurality of groups of display lamps 91 are arranged on the display device 9, and the plurality of groups of display lamps 91 are respectively arranged in one-to-one correspondence with the plurality of groups of test pieces 84.

The two groups of test strips 84 are arranged in an inclined manner, and the test strips 84 are opposite to the clamping grooves 51.

The top fixed mounting of carousel 4 has spacing spring 42, spacing spring 42 is located mounting panel 8 under and not contacts with base plate 81, the bottom central point of carousel 4 puts fixed mounting of department has connecting axle 41, carousel 4 passes through connecting axle 41 and sheave 2 fixed connection.

One side of the mounting frame 1 close to the driving motor 3 is penetrated through and provided with a through hole 12, the through hole 12 is right opposite to the movable block 32, and the connection rod 31 is prevented from colliding with the side edge of the mounting frame 1 when rotating.

The mounting frame 1 has been seted up near the inboard of electric telescopic handle 7 spout 13, the inside slidable mounting of spout 13 has slider 82, slider 82 and mounting panel 8 fixed connection.

As shown in fig. 1 to 5, the implementation scenario specifically includes: in the time of in-service use, through setting up display lamp 91, compare the bright dark (bright then be the substandard product, bright then be qualified product) of display lamp 91, can help the staff to find the unqualified substandard product of detection fast, through setting up test piece 84 slope, when making test piece 84 move down along with electric telescopic handle, can with triode 6's pin overlap joint and make both contact effectually, through setting up spacing spring 42, it is too big to avoid mounting panel 8 to move down the distance, crush triode 6, through setting up spout 13 and slider 82, it is spacing to move down mounting panel 8, be favorable to improving the contact effect of test piece 84 and triode 6, and then guarantee that the test result is accurate, this embodiment has specifically solved the problem that the withstand voltage test device efficiency that exists among the prior art is low.

In summary, the following steps: the utility model discloses a set up multiunit draw-in groove 51, place triode 6 in draw-in groove 51, make its pin up, control electric telescopic handle 7 moves down, electric telescopic handle 7 drives mounting panel 8 and moves down, mounting panel 8 drives base plate 81 and moves down, make test piece 84 and the corresponding draw-in groove 51 in triode 6's pin overlap joint, the circular telegram carries out withstand voltage test to triode 6, set up multiunit draw-in groove 51 and the test piece 84 that corresponds, make once testable multiunit triode 6, the efficiency of software testing of device has been improved greatly.

And finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a triode withstand voltage testing arrangement, includes installing frame (1), its characterized in that: the mounting frame (1) is of a C-shaped structure, a fixing column (11) is fixedly mounted at the bottom of the mounting frame (1), a grooved pulley (2) is movably mounted at the top of the fixing column (11) through a bearing, a turntable (4) is arranged at the top of the grooved pulley (2), four groups of workpiece placing plates (5) arranged in an annular array are fixedly mounted at the top of the turntable (4), a plurality of groups of clamping grooves (51) are formed in the top of each workpiece placing plate (5), an electric telescopic rod (7) is fixedly mounted at the top of the inner side of the mounting frame (1), and a mounting plate (8) is fixedly mounted at the bottom end of the electric telescopic rod (7);

a base plate (81) is fixedly arranged at the bottom of the mounting plate (8), a plurality of groups of interface seats (83) are fixedly arranged at the bottom of the base plate (81), the bottom of the interface seat (83) is fixedly connected with two groups of test pieces (84), the test pieces (84) are electrically connected with the interface seat (83), the substrate (81) is positioned right above the workpiece placing plate (5), and the plurality of groups of the interface seats (83) are arranged corresponding to the plurality of groups of the clamping grooves (51) one by one, a driving motor (3) is fixedly installed at the bottom of the installation frame (1), a connecting rod (31) is fixedly sleeved at the output shaft end of the driving motor (3), one end of the connecting rod (31) far away from the driving motor (3) is fixedly provided with a movable block (32), four groups of U-shaped grooves (21) arranged in an annular array are formed in the top of the grooved wheel (2) in a penetrating mode, and the movable block (32) is arranged in the U-shaped grooves (21) in a sliding mode.

2. The device of claim 1, wherein: the display device (9) and the pressure tester (14) are fixedly mounted at the top of the mounting frame (1), and the display device (9) and the pressure tester (14) are electrically connected with the interface seat (83) and the test piece (84).

3. The device of claim 2, wherein: the display device (9) is provided with a plurality of groups of display lamps (91), and the plurality of groups of display lamps (91) are respectively arranged corresponding to the plurality of groups of test pieces (84).

4. The device of claim 1, wherein: the two groups of test pieces (84) are obliquely arranged, and the test pieces (84) are right opposite to the clamping grooves (51).

5. The device of claim 1, wherein: the top fixed mounting of carousel (4) has spacing spring (42), spacing spring (42) are located mounting panel (8) under and do not contact with base plate (81), the bottom central point of carousel (4) puts fixed mounting of department has connecting axle (41), carousel (4) are through connecting axle (41) and sheave (2) fixed connection.

6. The device of claim 1, wherein: one side of the mounting frame (1) close to the driving motor (3) is penetrated through and provided with a through hole (12), and the through hole (12) is opposite to the movable block (32).

7. The device of claim 1, wherein: the mounting frame (1) is close to the inboard of electric telescopic handle (7) and has seted up spout (13), the inside slidable mounting of spout (13) has slider (82), slider (82) and mounting panel (8) fixed connection.