CN218824650U

CN218824650U - Double-station transformer testing device

Info

Publication number: CN218824650U
Application number: CN202222439040.9U
Authority: CN
Inventors: 王强; 肖果; 梁敏
Original assignee: Zixing Huihua Electronics Co ltd
Current assignee: Zixing Huihua Electronics Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-04-07
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a duplex position transformer testing arrangement, include: the testing device comprises a fixing plate, a testing circuit board and a testing circuit board, wherein the fixing plate is a horizontally arranged rectangular flat plate, and the top surface of the fixing plate is provided with the testing circuit board; the test fixture is arranged above the fixed plate; a hinge mount; the bottom surface of the fixed plate is provided with a clamping cylinder for pushing the pressure rod to rotate; the top of drive frame is equipped with the measuring pole, the top of measuring pole is equipped with the probe. Has the advantages that: the testing jig is used for positioning the miniature transformer, the pneumatic type detection method is used for assisting in matching with the detection rod and the probe to detect the miniature transformer, the pin of the miniature transformer is not required to be positioned, the positioning difficulty in the testing process is obviously reduced, the testing stability is improved, meanwhile, the structural design of double stations is matched, the miniature transformer can be stored in a staggered mode, the two miniature transformers are detected simultaneously, the testing time is reasonably optimized, the detection efficiency is improved, and the testing jig is suitable for batch production.

Description

Duplex position transformer testing arrangement

Technical Field

The utility model relates to a transformer production technical field, concretely relates to duplex position transformer testing arrangement.

Background

In the micro-transformer production process, in order to prolong the service life of the micro-transformer and avoid the damage and corrosion of the micro-transformer, the winding of the micro-transformer needs to be coated with insulating paint, and meanwhile, the outer side of the micro-transformer is wound with an insulating tape, so that the physical performance of the micro-transformer is improved, the service life is prolonged, and in order to ensure the yield, the winding needs to be subjected to breakdown test before leaving a factory, so that whether the winding breaks down in a high-voltage state is detected, and the coating quality of the insulating paint on the surface of the winding can be judged.

The insulation tape is wound on the outer side of the micro transformer during detection, so that a common detection method mostly adopts a manual operation thimble to abut against a pin of the micro transformer, and a numerical value of a detection instrument is observed to judge whether the micro transformer is normal or not, the detection method has the main problems that high voltage exists in detection equipment, the danger during operation is high, potential safety hazards exist, meanwhile, a manual detection method is adopted, the positioning difficulty of a probe abutting against the pin is high, false touch is easy to occur, a test result is unstable, the detection precision is further influenced, the detection efficiency is not high, and the detection method is not suitable for batch production.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a duplex position transformer testing arrangement in order to solve above-mentioned problem to solve the mode that adopts artifical the measuring among the prior art, its detection efficiency is lower, and the location degree of difficulty of probe is big, takes place the mistake easily and touches, and then influences the precision that detects, and detection efficiency is also not high, is not suitable for batch production, can not satisfy the technical problem that present detection needs. The utility model provides an adopt test fixture to fix a position micro-transformer among the preferred technical scheme among a great deal of technical scheme to the detection method cooperation measuring bar and the probe of supplementary utilization pneumatic type detect micro-transformer, need not to fix a position to micro-transformer's pin, it reduces the location degree of difficulty when testing to show, the test stability has been promoted, the structural design of while cooperation duplex position, can carry out the dislocation and deposit, thereby detect two micro-transformer simultaneously, rationally optimize test time, detection efficiency has been promoted, be applicable to the technological effect of batch production, see the explanation below for more detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a duplex position transformer testing arrangement, include:

the fixing plate is a horizontally arranged rectangular flat plate and is used for supporting;

the testing jig is arranged above the fixing plate and used for detecting the micro transformer;

the hinge seat is arranged on the outer wall of the fixed plate in the length direction and the width direction;

the pressing rod is hinged in a hinge seat on the outer wall of the fixed plate in the length direction and used for pushing the glass fiber plate to clamp and position the pins of the micro transformer, and a clamping cylinder for pushing the pressing rod to rotate is arranged on the bottom surface of the fixed plate;

the driving frame is hinged to the hinge seat on the outer wall of the fixed plate in the width direction, a detection rod is arranged at the top of the driving frame, a probe is arranged at the top of the detection rod, and a pneumatic push rod for driving the driving frame to rotate is arranged on the bottom surface of the fixed plate.

Preferably, the test fixture comprises a test bench, a test circuit board and a glass fiber board, the test circuit board is arranged on the top surface of the fixing plate, the test bench is arranged above the test circuit board, the glass fiber board is horizontally arranged in the test bench, and a detection slot for storing the pins of the miniature transformer is formed in the glass fiber board.

Preferably, a sliding seat is arranged below the fixed plate, a sliding block is arranged at the bottom of the sliding seat, a guide rail matched with the sliding block is arranged below the fixed plate, a pushing frame is arranged on the sliding seat, and a driving cylinder for driving the pushing frame to move is arranged below the guide rail.

Preferably, a buffer mounting seat is arranged at the end part of the guide rail, and an oil pressure buffer is arranged on the buffer mounting seat.

Preferably, an insulating plate is disposed above the fixing plate.

Preferably, the number of the guide rails is two, and the guide rails are arranged in a symmetrical structure.

Has the advantages that:

the testing jig is used for positioning the miniature transformer, the pneumatic type detection method is used for assisting in matching with the detection rod and the probe to detect the miniature transformer, the pin of the miniature transformer is not required to be positioned, the positioning difficulty in the testing process is obviously reduced, the testing stability is improved, meanwhile, the structural design of double stations is matched, the miniature transformer can be stored in a staggered mode, the two miniature transformers are detected simultaneously, the testing time is reasonably optimized, the detection efficiency is improved, and the testing jig is suitable for batch production.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first perspective view of the present invention;

fig. 2 is a second perspective view of the present invention;

fig. 3 is a second perspective view of the present invention.

The reference numerals are explained below:

1. a clamping cylinder; 2. a cylinder mounting seat; 3. a bumper mount; 4. a hydraulic buffer; 5. testing the circuit board; 6. a fixing plate; 7. an insulating plate; 8. a pressure lever; 9. a glass fiber board; 10. detecting a slot; 11. a probe; 12. a detection lever; 13. a driving frame; 14. a hinge mount; 15. a test bench; 16. a pneumatic push rod; 17. a driving cylinder; 18. a sliding seat; 19. a slider; 20. a push rod support; 21. a pushing frame; 22. a guide rail.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a duplex position transformer testing arrangement, include:

the fixing plate 6 is a rectangular flat plate which is horizontally arranged and used for providing support for the device;

the testing jig is arranged above the fixing plate 6 and used for detecting the micro transformer, the testing jig comprises a testing rack 15, a testing circuit board 5 and a glass fiber board 9, the testing circuit board 5 is arranged on the top surface of the fixing plate 6, the testing rack 15 is arranged above the testing circuit board 5, the glass fiber board 9 is horizontally arranged in the testing rack 15, a detecting slot 10 used for storing a pin of the micro transformer is arranged on the glass fiber board 9, the testing circuit board 5 is arranged on the top surface of the fixing plate 6, the testing circuit board 5 is used for matching high-voltage detection on the micro transformer, the testing rack 15 is arranged above the testing circuit board 5, the number of the testing racks 15 is two, the testing racks are arranged on the fixing plate 6 in a symmetrical structure, the testing function of double stations can be realized, the testing efficiency is improved, the testing rack 15 is arranged above the fixing plate 6 through a bracket, a gap for installing the test circuit board 5 is reserved in the middle for convenient insertion and positioning installation, the glass fiber boards 9 are horizontally installed in a test bench 15, the number of the glass fiber boards 9 is two, the glass fiber boards 9 are arranged in a vertically parallel stacking manner, the glass fiber board 9 positioned at the bottom is fixedly installed in the test bench 15, a clamping groove for limiting the glass fiber boards 9 is formed in the test bench 15, the glass fiber boards 9 at the top can be conveniently installed, the glass fiber boards 9 at the top can be conveniently guided and positioned, the glass fiber boards 9 at the top can freely move, detection slots 10 are formed in the two glass fiber boards 9, the pins of a transformer can be conveniently inserted and positioned, it needs to be noted that the bottom of the test circuit board 5 is communicated with a wiring and can be led out and connected from the fixed plate 6, the top of the test circuit board 5 is provided with a beryllium copper sheet, the size of the copper sheet corresponds to the detection slots 10, the micro transformer can be inserted into the detection slot 10 and is in contact with a beryllium copper sheet to realize circuit conduction so as to be convenient for high-voltage detection, the beryllium copper sheet extends into the detection slot 10 and is connected with the glass fiber board 9 at the top, the glass fiber board 9 can be positioned, the glass fiber board 9 at the top is prevented from falling off from the inside of the test bench 15, the beryllium copper sheet has deformation capacity and can extend into the detection slot 10 for positioning, so that the detection slots 10 on the two glass fiber boards 9 correspond in position, the positioning can be recovered by utilizing the elastic capacity of the copper sheet beryllium after the two glass fiber boards 9 are opposite, the detection slot 10 for storing the pins of the micro transformer is formed in the glass fiber board 9, and the detection slot 10 is a strip hole vertically penetrating through the top surface of the glass fiber board 9 and is used for inserting and positioning the pins of the micro transformer;

the hinge bases 14 are arranged on the outer walls of the fixed plate 6 in the length direction and the width direction, the number of the hinge bases 14 is four, two hinge bases are symmetrically arranged on the side wall of the fixed plate 6 in the length direction through bolts, the other two hinge bases are arranged on the outer wall of the fixed plate 6 in the width direction on the same side, the air cylinder mounting base 2 and the push rod support 20 corresponding to the hinge base 14 are arranged below the fixed plate 6 and can be respectively matched with the air cylinder mounting base 2 and the push rod support 20 for installation, a groove is reserved in the middle of each hinge base 14 so as to facilitate installation of the compression rod 8 or the driving frame 13, and the compression rod 8 or the driving frame 13 is hinged and fixed through a rotating shaft so as to facilitate rotation of the compression rod 8 or the driving frame 13;

the device comprises pressure rods 8, which are hinged and installed in a hinge seat 14 on the outer wall of a fixing plate 6 in the length direction through a rotating shaft, wherein the number of the pressure rods 8 is two, the top of each pressure rod 8 is provided with a pressing block corresponding to the height of a top glass fiber plate 9 and used for pushing the glass fiber plates 9 to clamp and position the pins of the micro-transformer, the clamping cylinder 1 for pushing the pressure rods 8 to rotate is arranged on the bottom surface of the fixing plate 6, when the micro-transformer is positioned, the clamping cylinder 1 pushes the pressure rods 8 to rotate by taking the rotating shaft in the hinge seat 14 as the center, so that the pressing blocks at the top of the pressure rods 8 push the glass fiber plates 9 at the top to move transversely, and therefore the two glass fiber plates 9 are staggered, pins of the micro-transformer extending into a detection slot 10 on the surface of the glass fiber plates 9 are clamped and positioned, the stability of the micro-transformer in the detection process is ensured, and meanwhile, the pins can be kept in contact with beryllium copper sheets to realize the connection and conduction of a test circuit board 5 and the micro-transformer;

the driving frames 13 are hinged and installed in a hinge seat 14 on the outer wall of the fixing plate 6 in the width direction, the number of the driving frames 13 is two, the driving frames 13 are symmetrically arranged on the outer wall of the fixing plate 6 in the width direction, the positions of the driving frames correspond to detection slots 10 on a glass fiber plate 9, probes 11 on the detection rod 12 can be conveniently abutted to the outer wall of the micro-transformer for detection, the top of each driving frame 13 is provided with the detection rod 12, the top of each detection rod 12 is provided with the probe 11, the bottom surface of the fixing plate 6 is provided with a pneumatic push rod 16 for driving the driving frames 13 to rotate, the pneumatic push rod 16 is connected with an external air pump through a pipeline and can control the driving frames 13 to rotate, and when the micro-transformer is used, the pneumatic push rod 16 works to drive the driving frames 13 to rotate inside the hinge seat 14, so that the detection rods 12 and the probes 11 on the tops of the driving frames 13 are pushed to move and are abutted to the outer wall of the micro-transformer for high-voltage conduction detection;

when the device is used, the external clamping mechanism drives the micro transformer to be detected to move to the glass fiber plate 9, pins at the bottom of the micro transformer are inserted into the detection slots 10 to be positioned, so that the pins at the bottom of the micro transformer are in contact with beryllium copper sheets in the detection slots 10, connection between the micro transformer and the test circuit board 5 is realized, then the clamping cylinder 1 works to drive the pressure rod 8 to rotate in the hinge seat 14, the pressing block at the top of the pressure rod 8 pushes the glass fiber plate 9 at the top to horizontally move, clamping and positioning of the micro transformer are realized through dislocation of the detection slots 10 in the two glass fiber plates 9, and after positioning is finished, the pneumatic push rod 16 works to push the driving frame 13 to rotate in the hinge seat 14, therefore, the probe 11 on the detection rod 12 is abutted against the magnetic core of the micro transformer, high voltage passes through the micro transformer, when a circuit is conducted, insulation failure of a winding is proved, the micro transformer is a defective product, when the circuit is not conducted, insulation is proved to be normal, the micro transformer is a good product, after detection is finished, the clamping cylinder 1 and the pneumatic push rod 16 are reset, the clamping effect on the micro transformer is removed, the glass fiber plate 9 positioned at the top is reset under the action of the internal beryllium copper sheet, so that follow-up detection is matched, the good product and the defective product of the micro transformer are respectively stored by using an external clamping mechanism, and the operation is repeated, so that the whole detection process is completed.

In another embodiment, a sliding seat 18 is arranged below the fixed plate 6, a sliding block 19 is arranged at the bottom of the sliding seat 18, a guide rail 22 matched with the sliding block 19 is arranged below the fixed plate 6, the sliding block 19 is in sliding fit with the guide rail 22, the stability of the sliding block 19 during movement can be improved, a pushing frame 21 is arranged on the sliding seat 18, a driving cylinder 17 for driving the pushing frame 21 to move is arranged below the guide rail 22, the driving cylinder 17 drives the pushing frame 21 and the sliding block 19 to move together, the positions of the sliding seat 18 and the fixed plate 6 can be adjusted, and therefore a micro transformer is placed in a detection slot 10 of a glass fiber plate 9 on a test bench 15 to be positioned in cooperation with an external clamping mechanism, position adjustment of a test station is achieved, clamping of the micro transformer is facilitated, simultaneous detection can be achieved by utilizing two test stations, and detection efficiency is improved.

In another embodiment, the end of the guide rail 22 is provided with the buffer mounting seat 3, the buffer mounting seat 3 is provided with the hydraulic buffer 4, and by arranging the hydraulic buffer 4, when the driving cylinder 17 drives the pushing frame 21 and the sliding block 19 to move on the guide rail 22, the hydraulic buffer 4 can be used for positioning, so that noise and vibration in the operation process of the equipment are reduced.

In another embodiment, the insulating plate 7 is arranged above the fixing plate 6, and by adopting the insulating plate 7, danger caused by overlarge voltage in the high-voltage test process can be avoided, the insulating capability is improved, and the safety during the test is ensured.

In another embodiment, the number of the guide rails 22 is two, and the guide rails 22 are arranged in a symmetrical structure, and the guide rails 22 arranged in an opposite array are adopted, so that the stability of the sliding block 19 in the moving process can be improved.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a duplex position transformer testing arrangement which characterized in that: the method comprises the following steps:

the fixing plate (6) is a horizontally arranged rectangular flat plate, and is used for supporting;

the testing jig is arranged above the fixing plate (6) and used for detecting the micro transformer;

the hinge seat (14) is arranged on the outer wall of the fixed plate (6) in the length direction and the width direction;

the pressing rod (8) is hinged and installed in a hinge seat (14) on the outer wall of the fixing plate (6) in the length direction and used for pushing the glass fiber plate (9) to clamp and position the pins of the micro transformer, and a clamping cylinder (1) for pushing the pressing rod (8) to rotate is arranged on the bottom surface of the fixing plate (6);

drive rack (13), the articulated hinge seat (14) of installing on fixed plate (6) width direction outer wall in, the top of drive rack (13) is equipped with test rod (12), the top of test rod (12) is equipped with probe (11), be equipped with on the bottom surface of fixed plate (6) and drive rack (13) pivoted pneumatic push rod (16).

2. The double-station transformer testing device according to claim 1, characterized in that: the testing jig comprises a testing bench (15), a testing circuit board (5) and a glass fiber board (9), wherein the testing circuit board (5) is arranged on the top surface of the fixing plate (6), the testing bench (15) is arranged above the testing circuit board (5), the glass fiber board (9) is horizontally installed in the testing bench (15), and a detection slot (10) for storing a miniature transformer pin is arranged on the glass fiber board (9).

3. The double-station transformer testing device according to claim 1, characterized in that: the improved structure of the automobile seat is characterized in that a sliding seat (18) is arranged below the fixing plate (6), a sliding block (19) is arranged at the bottom of the sliding seat (18), a guide rail (22) matched with the sliding block (19) is arranged below the fixing plate (6), a pushing frame (21) is arranged on the sliding seat (18), and a driving cylinder (17) for driving the pushing frame (21) to move is arranged below the guide rail (22).

4. The double-station transformer testing device according to claim 3, characterized in that: the end part of the guide rail (22) is provided with a buffer mounting seat (3), and the buffer mounting seat (3) is provided with an oil buffer (4).

5. The double-station transformer testing device according to claim 1, characterized in that: an insulating plate (7) is arranged above the fixed plate (6).

6. The double-station transformer testing device according to claim 3, characterized in that: the number of the guide rails (22) is two, and the guide rails are arranged in a symmetrical structure.