CN112986630A - High-frequency transformer testing tool and using method thereof - Google Patents
High-frequency transformer testing tool and using method thereof Download PDFInfo
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- CN112986630A CN112986630A CN202110287853.8A CN202110287853A CN112986630A CN 112986630 A CN112986630 A CN 112986630A CN 202110287853 A CN202110287853 A CN 202110287853A CN 112986630 A CN112986630 A CN 112986630A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/06705—Apparatus for holding or moving single probes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
- G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a high-frequency transformer testing tool and a using method thereof, and the high-frequency transformer testing tool comprises a testing box body and a transformer body, wherein the transformer body and the testing box body are arranged side by side along the vertical direction; through being provided with first adjusting screw, extension board, first slider, elastic rubber strip and connecting block, be convenient for adjust the position of test probe according to the wiring pin of different length, strain the test wire, through being provided with guide block, reset spring, a piece, second slider and second adjusting screw, be convenient for avoid wiring pin and test box body to take place great mistake contact collision, cause the wiring pin to damage, be convenient for lead.
Description
Technical Field
The invention belongs to the technical field of high-frequency transformers, and particularly relates to a high-frequency transformer testing tool and a using method thereof.
Background
A transformer is a device for transforming ac voltage, current and impedance, and when an ac current flows through a primary winding, an ac magnetic flux is generated in an iron core (or a magnetic core), so that a voltage (or a current) is induced in a secondary winding. The transformer is composed of iron core (or magnetic core) and coil, the high frequency transformer is a power transformer whose working frequency exceeds the medium frequency (10 kHz), and is mainly used as a high frequency switching power transformer in a high frequency switching power supply, and also used as a high frequency inverter power transformer in a high frequency inverter power supply and a high frequency inverter welding machine. According to the working frequency, the method can be divided into several grades: 10kHz-50kHz, 50kHz-100kHz, 100 kHz-500 kHz, 500 kHz-1 MHz and more than 10MHz, most of the high-frequency transformer is encapsulated in a box body, and the lower surface of the box body is provided with a pin for wiring. When testing, the test fixture is provided with a through hole for inserting the pin on a jig plate, the test probe is arranged in the through hole and is externally connected with test equipment, and after the pin is contacted with the test probe, the relevant parameters of the transformer are tested to be qualified.
In addition, when the wiring pins are inserted into the inner side of the test through holes, a good guide mechanism for the high-frequency transformer does not exist, the wiring pins and the test box are mistakenly contacted, collided and bent, and test safety is affected.
Disclosure of Invention
The invention aims to provide a high-frequency transformer testing tool and a using method thereof, and aims to solve the problems that the conventional high-frequency transformer testing tool in the background art is inconvenient to operate because most of the height of a testing probe can be adjusted in order to conveniently adapt to wiring pins with different lengths in the using process, but the positions of a plurality of adjusting nuts need to be adjusted in a rotating mode when the height of the testing probe is adjusted, a testing wire connected with the testing probe is loosened and wound to influence the adjusting effect of the testing probe next time, and in addition, when the wiring pins are inserted into the inner side of a testing through hole, a good guide mechanism for the high-frequency transformer is not provided, the wiring pins and a testing box are mistakenly contacted, collided and bent, and the testing safety is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a high-frequency transformer testing tool comprises a testing box body and a transformer body, wherein the transformer body and the testing box body are arranged side by side along the vertical direction, a wiring pin is arranged at the lower end of the transformer body, a base is fixed on the lower surface of the testing box body, a first adjusting screw rod is rotatably arranged at the lower end of the inner side of the testing box body, a first sliding block is sleeved on the outer side of the first adjusting screw rod, a first threaded hole is formed in the inner surface of the first sliding block, the first sliding block and the first adjusting screw rod are in matched connection through the first threaded hole, a connecting block is fixed at the upper end of the inner side of the testing box body, a mounting plate is arranged on the inner side of the connecting block, a support plate is rotatably arranged on the front surface of the mounting plate, the support plate and the first sliding block are in matched connection, the testing device comprises a testing probe and is characterized in that a testing lead is fixed at the lower end of the testing probe, an elastic rubber strip is fixed on the edge of the inner surface of a testing box body, a testing hole is formed in the upper surface of the testing box body, and a guide mechanism is arranged on the edge of the upper surface of the testing box body.
Preferably, the guide mechanism comprises a guide block, a reset spring, a support block, a second adjusting screw and a second slider, a groove is formed in the edge of the upper surface of the test box body, the second adjusting screw is arranged on the inner side of the groove in a rotating mode, the second slider is sleeved on the outer side of the second adjusting screw, a second threaded hole is formed in the inner side of the second slider, the second slider and the second adjusting screw are connected in a matched mode through the second threaded hole, the guide block is fixed to the upper surface of the second slider, a sliding groove is formed in one side wall of the guide block, the reset spring is fixed to the upper end of the inner side of the sliding groove, the support block is fixed to the lower end of the reset spring, and the support block is in contact.
Preferably, the guide block is rectangular, and the guide block is provided with two positions which are symmetrically distributed along the center of the long edge of the test box body.
Preferably, the supporting block and the guide block are at right angles, and two second adjusting screws are arranged.
Preferably, the mounting plate lateral wall has been seted up the guide way, the connecting block internal surface is provided with the direction lug, the mounting plate is connected through guide way and direction lug cooperation with the connecting block.
Preferably, a support plate is fixed on the surface of one side of the test box body, a clamping hoop is connected to the support plate through a bolt, and the clamping hoop is sleeved on the outer side of the test lead.
Preferably, the front surface of the test box body is provided with an observation window, and a transparent acrylic plate is fixed on the inner side of the observation window.
Preferably, the first adjusting screw rod comprises a first external thread and a second external thread on the outer side, the rotating directions of the first external thread and the second external thread are opposite, and an adjusting rotating handle is fixed at one end of the first adjusting screw rod.
A high-frequency transformer testing tool and a using method thereof comprise the following steps:
a. according to the length of the wiring pin, the first adjusting screw rod is rotated through the adjusting rotary handle, and the first adjusting screw rod rotates to drive the first sliding block to move through the first threaded hole;
b. the first sliding block moves to drive the supporting plate to incline, the supporting plate drives the mounting plate to move, the mounting plate and the connecting block slide through the guide groove and the guide lug, and the mounting plate moves to drive the test probe to move so as to adjust the position of the test probe;
c. the test probe moves to drive the upper end of the test lead to move, the test lead is tensioned through the elastic force of the elastic rubber strip, and the winding of the plurality of test leads after the test leads are loosened is reduced, so that the height of the test probe is inconvenient to adjust in the later period;
d. the transformer body is moved downwards, the guide block guides the transformer body, the transformer body is abutted against the lower end of the support block and moves, the reset spring elastically extends, and the wiring pin at the lower end of the transformer body is contacted with the test probe to test the transformer body;
e. after the test is completed, the transformer body is pushed to move upwards under the action of the elastic force of the reset spring, so that the wiring pin is separated from the inner side of the test box body, the next transformer body is convenient to test, and the positions of the second sliding block and the guide block are adjusted by further rotating the second adjusting screw rod, so that the transformer with different lengths can be adapted conveniently.
Compared with the prior art, the invention has the beneficial effects that:
(1) through being provided with first adjusting screw, extension board, first slider, elastic rubber strip and connecting block, be convenient for adjust the position of test probe according to the wiring pin of different length, take-up the test wire, be convenient for avoid taking place the winding after a plurality of test wires relax to test probe position adjustment back, influence next time to the adjustment effect of test probe, device convenient operation has increased the practicality of device.
(2) Through being provided with the guide block, reset spring, a piece, second slider and second adjusting screw, be convenient for avoid transformer body lower extreme wiring pin when inserting the test hole, the great misconnection collision takes place for wiring pin and test box body, cause the wiring pin to damage, be convenient for lead to transformer body and wiring pin, improve the result of use of device, can adjust the position of guide block simultaneously, so that be suitable for the transformer body of different length, the application scope of device has been increased.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic diagram of a mounting plate structure according to the present invention;
FIG. 4 is a schematic cross-sectional view at A of FIG. 1 in accordance with the present invention;
in the figure: 1. a test box body; 2. a clampband; 3. a wiring pin; 4. a transparent acrylic sheet; 5. a transformer body; 6. a guide block; 7. a second adjusting screw; 8. adjusting the rotary handle; 9. a base; 10. mounting a plate; 11. testing the probe; 12. connecting blocks; 13. a support plate; 14. a first adjusting screw; 15. a first slider; 16. testing the lead; 17. an elastic rubber strip; 18. a guide groove; 19. mounting holes; 20. a return spring; 21. supporting a block; 22. and a second slider.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-frequency transformer testing tool comprises a testing box body 1 and a transformer body 5, wherein the transformer body 5 and the testing box body 1 are arranged side by side along the vertical direction, a wiring pin 3 is arranged at the lower end of the transformer body 5, a base 9 is fixed on the lower surface of the testing box body 1, a first adjusting screw 14 is rotatably arranged at the lower end of the inner side of the testing box body 1, a first slide block 15 is sleeved on the outer side of the first adjusting screw 14, a first threaded hole is formed in the inner surface of the first slide block 15, the first slide block 15 and the first adjusting screw 14 are in matched connection through the first threaded hole so as to facilitate left and right adjustment of the position of the first slide block 15, a connecting block 12 is fixed at the upper end of the inner side of the testing box body 1, a mounting plate 10 is arranged on the inner side of the connecting block 12 so as to facilitate mounting and fixing of a testing probe 11, be convenient for adjust the high position of mounting panel 10, mounting hole 19 has been seted up to mounting panel 10 inboard, 19 inboard sides of mounting hole are fixed with test probe 11, test probe 11 lower extreme is fixed with test wire 16, 1 internal surface edge of test box body is fixed with elasticity rubber banding 17, be convenient for strain test wire 16, reduce behind adjustment test probe 11 high position, test wire 16 takes place lax winding, the test hole has been seted up to 1 upper surface of test box body, 1 upper surface edge of test box body is provided with guiding mechanism.
Preferably, guiding mechanism includes guide block 6, reset spring 20, a piece 21, second adjusting screw 7 and second slider 22, test box body 1 upper surface edge is seted up flutedly, the recess inboard is rotated and is provided with second adjusting screw 7, second adjusting screw 7 outside cover is equipped with second slider 22, second slider 22 inboard is provided with the second screw hole, second slider 22 cooperates through the second screw hole with second adjusting screw 7 and is connected, second slider 22 upper surface is fixed with guide block 6, a spout has been seted up to 6 lateral walls of guide block, spout inboard upper end is fixed with reset spring 20, reset spring 20 lower extreme is fixed with a piece 21, a piece 21 contacts with transformer body 5, be convenient for lead transformer body 5, it bumps the buckling damage to reduce wiring pin 3 and test box body 1.
Preferably, the guide block 6 is rectangular, the guide block 6 is provided with two positions, and the two guide blocks 6 are symmetrically distributed along the center of the long edge of the test box body 1, so that the transformer body 5 can be guided better.
Preferably, the support block 21 is at right angles to the guide block 6, and two second adjusting screws 7 are provided to facilitate adjustment of the position of the guide block 6.
Preferably, the side wall of the mounting plate 10 is provided with a guide groove 18, the inner surface of the connecting block 12 is provided with a guide projection, and the mounting plate 10 and the connecting block 12 are connected in a matching manner through the guide groove 18 and the guide projection, so that the mounting plate 10 can be adjusted to move up and down better.
Preferably, a support plate is fixed on the surface of one side of the test box body 1, a clamp 2 is connected to the support plate through a bolt, and the clamp 2 is sleeved on the outer side of the test lead 16, so that the test lead 16 can be better fixed, and the movement of the test lead 16 is reduced.
Preferably, 1 front surface of test box body is provided with the observation window, and the observation window inboard is fixed with transparent ya keli board 4, is convenient for look over the inboard business turn over of test hole.
Preferably, the outer side of the first adjusting screw 14 includes a first external thread and a second external thread, the turning directions of the first external thread and the second external thread are opposite, and an adjusting handle 8 is fixed at one end of the first adjusting screw 14, so that the two first sliding blocks 15 can be driven to be close to or far away from each other better.
A high-frequency transformer testing tool and a using method thereof comprise the following steps:
a. according to the length of the wiring pin 3, the first adjusting screw 14 is rotated through the adjusting rotary handle 8, and the first adjusting screw 14 rotates to drive the first sliding block 15 to move through the first threaded hole;
b. the first sliding block 15 moves to drive the supporting plate 13 to incline, the supporting plate 13 drives the mounting plate 10 to move, the mounting plate 10 and the connecting block 12 slide through the guide groove 18 and the guide lug, the mounting plate 10 moves to drive the test probe 11 to move, and then the position of the test probe 11 is adjusted;
c. the test probe 11 moves to drive the upper end of the test lead 16 to move, the test lead 16 is tensioned through the elastic force of the elastic rubber strip 17, and the phenomenon that the test leads 16 are wound after being loosened is reduced, so that the height of the test probe 11 is inconvenient to adjust in the later period;
d. the transformer body 5 is moved downwards, the guide block 6 guides the transformer body 5, the transformer body 5 is abutted against the lower end of the support block 21 and moves, the reset spring 20 elastically extends, and the wiring pin 3 at the lower end of the transformer body 5 is contacted with the test probe 11 to test the transformer body 5;
e. after the test is finished, the transformer body 5 is pushed to move upwards under the action of the elastic force of the return spring 20, so that the wiring pin 3 is separated from the inner side of the test box body 1, the next test of the transformer body 5 is facilitated, and the positions of the second sliding block 22 and the guide block 6 can be adjusted by further rotating the second adjusting screw 7, so that the transformers with different lengths can be adapted conveniently.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a high frequency transformer test fixture, includes test box body (1) and transformer body (5), transformer body (5) set up side by side along vertical direction with test box body (1), transformer body (5) lower extreme is provided with wiring pin (3), fixed surface has base (9), its characterized in that under test box body (1): the test box comprises a test box body (1), wherein a first adjusting screw rod (14) is arranged at the lower end of the inner side of the test box body (1) in a rotating mode, a first slider (15) is sleeved on the outer side of the first adjusting screw rod (14), a first threaded hole is formed in the inner surface of the first slider (15), the first slider (15) is connected with the first adjusting screw rod (14) in a matching mode through the first threaded hole, a connecting block (12) is fixed at the upper end of the inner side of the test box body (1), a mounting plate (10) is arranged on the inner side of the connecting block (12), a support plate (13) is arranged on the front surface of the mounting plate (10) in a rotating mode, the support plate (13) is connected with the first slider (15) in a matching mode through a rotating rod, a mounting hole (19) is formed in the inner side of the mounting plate (10), the testing box is characterized in that an elastic rubber strip (17) is fixed on the edge of the inner surface of the testing box body (1), a testing hole is formed in the upper surface of the testing box body (1), and a guiding mechanism is arranged on the edge of the upper surface of the testing box body (1).
2. The high-frequency transformer test tool according to claim 1, characterized in that: the guide mechanism comprises a guide block (6), a return spring (20), a support block (21), a second adjusting screw rod (7) and a second sliding block (22), the edge of the upper surface of the test box body (1) is provided with a groove, the inner side of the groove is rotatably provided with a second adjusting screw rod (7), a second sliding block (22) is sleeved on the outer side of the second adjusting screw rod (7), a second threaded hole is formed in the inner side of the second sliding block (22), the second sliding block (22) is connected with the second adjusting screw rod (7) in a matching way through a second threaded hole, a guide block (6) is fixed on the upper surface of the second sliding block (22), a sliding groove is arranged on one side wall of the guide block (6), the transformer is characterized in that a return spring (20) is fixed at the upper end of the inner side of the sliding groove, a support block (21) is fixed at the lower end of the return spring (20), and the support block (21) is in contact with the transformer body (5).
3. The high-frequency transformer test tool according to claim 2, characterized in that: the guide block (6) is rectangular, the guide block (6) is provided with two positions, and the two positions of the guide block (6) are symmetrically distributed along the center of the long edge of the test box body (1).
4. The high-frequency transformer test tool according to claim 2, characterized in that: the supporting block (21) and the guide block (6) form a right angle with each other, and the number of the second adjusting screw rods (7) is two.
5. The high-frequency transformer test tool according to claim 1, characterized in that: guide way (18) have been seted up to mounting panel (10) lateral wall, connecting block (12) internal surface is provided with the direction lug, mounting panel (10) and connecting block (12) are connected through guide way (18) and direction lug cooperation.
6. The high-frequency transformer test tool according to claim 1, characterized in that: a support plate is fixed on the surface of one side of the test box body (1), a clamping hoop (2) is connected onto the support plate through a bolt, and the clamping hoop (2) is sleeved on the outer side of the test lead (16).
7. The high-frequency transformer test tool according to claim 1, characterized in that: the test box comprises a test box body (1), and is characterized in that an observation window is arranged on the front surface of the test box body (1), and a transparent acrylic plate (4) is fixed on the inner side of the observation window.
8. The high-frequency transformer test tool according to claim 1, characterized in that: the outer side of the first adjusting screw rod (14) comprises a first external thread and a second external thread, the rotating directions of the first external thread and the second external thread are opposite, and one end of the first adjusting screw rod (14) is fixed with an adjusting rotating handle (8).
9. The use method of the high-frequency transformer testing tool according to claim 1, characterized in that: the method comprises the following steps:
a. according to the length of the wiring pin (3), a first adjusting screw (14) is rotated through an adjusting rotary handle (8), and the first adjusting screw (14) rotates to drive a first sliding block (15) to move through a first threaded hole;
b. the first sliding block (15) moves to drive the supporting plate (13) to incline, the supporting plate (13) drives the mounting plate (10) to move, the mounting plate (10) and the connecting block (12) slide through the guide groove (18) and the guide lug, and the mounting plate (10) moves to drive the test probe (11) to move so as to adjust the position of the test probe (11);
c. the test probe (11) moves to drive the upper end of the test lead (16) to move, the test lead (16) is tensioned through the elastic force of the elastic rubber strip (17), and the winding of the plurality of test leads (16) after being loosened is reduced, so that the height of the test probe (11) is inconvenient to adjust in the later period;
d. the transformer body (5) is moved downwards, the guide block (6) is used for guiding the transformer body (5), the transformer body (5) is abutted against the lower end of the support block (21) to move, the reset spring (20) is elastically extended, the wiring pin (3) at the lower end of the transformer body (5) is contacted with the test probe (11), and the transformer body (5) is tested;
e. after the test is finished, the transformer body (5) is pushed to move upwards under the action of the elastic force of the reset spring (20), so that the wiring pin (3) is separated from the inner side of the test box body (1), the next transformer body (5) is convenient to test, the second sliding block (22) and the guide block (6) can be adjusted by further rotating the second adjusting screw (7), and the transformer with different lengths can be adapted conveniently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110287853.8A CN112986630A (en) | 2021-03-17 | 2021-03-17 | High-frequency transformer testing tool and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110287853.8A CN112986630A (en) | 2021-03-17 | 2021-03-17 | High-frequency transformer testing tool and using method thereof |
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| CN112986630A true CN112986630A (en) | 2021-06-18 |
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Cited By (1)
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|---|---|---|---|---|
| CN114563745A (en) * | 2022-04-26 | 2022-05-31 | 江苏天利机电有限公司 | Transformer detection device |
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| CN114563745A (en) * | 2022-04-26 | 2022-05-31 | 江苏天利机电有限公司 | Transformer detection device |
| CN114563745B (en) * | 2022-04-26 | 2022-07-05 | 江苏天利机电有限公司 | Transformer detection device |
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