CN107807283A - A kind of core inductance detection means - Google Patents

Abstract

The invention discloses a magnetic core inductance detection device, which comprises a fixing seat, a positioning frame is fixed in the middle of the fixed top, a through hole is arranged in the middle of the positioning frame, a coil is arranged around the outer side of the positioning frame, and a top side of the fixing seat is provided with a There is an inductance detector, and the inductance detector is connected to both ends of the coil. The positioning blocks are symmetrically arranged on both sides of the positioning frame. The positioning block is equipped with a C-type card slot on the side close to the positioning frame, and the positioning block is far away from the side of the positioning frame. Both are equipped with a push structure, the push structure includes a support seat 1, a support seat 2, a push rod, a return groove 1, a return groove 2, a threaded rod 1 and a threaded rod 2, the support seat 1 is located on the side of the fixed seat, and the support seat A groove is arranged on the inner top, a threaded rod is arranged on the side of the groove away from the fixing seat, and a motor is arranged on the side of the threaded rod away from the fixing seat. Beneficial effects: the force of the positioning blocks on both sides is more uniform, and at the same time, the distance from the magnetic core to be detected is the same, thereby greatly ensuring the detection accuracy.

Description

A magnetic core inductance detection device

technical field

The invention relates to the technical field of inductance detection, in particular to a magnetic core inductance detection device.

Background technique

A magnetic core inductance detection fixture currently used on the market comprises a positioning frame and a positioning block arranged on opposite sides of the positioning frame, a magnetic core to be detected is installed in the positioning frame, and the positioning block Set a standard magnetic core on it. When in use, manually push the positioning block to move closer to the positioning frame, so that the standard magnetic core is in contact with the magnetic core to be tested, so as to realize the detection function. However, the above method relies on manually pushing the positioning block. The strength of the blocks is also different, resulting in uneven force on the positioning frame, and the position of the standard magnetic core is not fixed each time, the detection speed is slow, and it is difficult to meet the needs of the market.

Aiming at the problems in the related technologies, no effective solution has been proposed yet.

Contents of the invention

Aiming at the problems in the related art, the present invention proposes a magnetic core inductance detection device to overcome the above-mentioned technical problems existing in the related art.

Technical scheme of the present invention is realized like this:

A magnetic core inductance detection device, comprising a fixing seat, a positioning frame is fixed in the middle of the top of the fixing seat, a through hole is provided in the middle of the positioning frame, a coil is arranged around the outer side of the positioning frame, and the fixing seat An inductance detector is provided on one side of the top, and the inductance detector is connected to the two ends of the coil, and positioning blocks are arranged symmetrically on both sides of the positioning frame, and the positioning block is arranged on one side close to the positioning frame. There is a C-shaped card slot, and the positioning block is provided with a push structure on the side far from the positioning frame. The push structure includes a support seat 1, a support seat 2, a push rod, a return groove 1, and a return groove 2 , threaded rod one and threaded rod two, the support seat one is located on the side of the fixed seat, the inner top of the support seat one is provided with a groove, and the groove is provided with a The threaded rod one, the threaded rod one is provided with a motor one away from the side of the fixed seat, and the rotation shaft of the motor one is rotationally connected with the threaded rod one, and the support seat one is far away from the fixed seat. One side of the seat is provided with a rocker arm one outside, and the rocker arm one is rotationally connected with the threaded rod one, and the threaded rod one is provided with a fixing plate, and the diameter of the top cross section of the fixing plate is larger than the The cross-sectional diameter of the support seat 1, the top of the fixed plate near the side of the fixed seat is provided with a chute 1, and the chute 1 is provided with the push rod that is compatible with the chute 1 , the side of the push rod away from the fixing seat is fixed with the return groove one, the inside of the return groove one is a hollow structure, and the outside of the return groove one is provided with a limit plate on the side close to the push rod , the back-shaped groove one is provided with a sliding column one matched with the back-shaped groove one, the bottom side of the sliding column one is connected with a connecting rod one, and the connecting rod one is far away from the sliding column One side of one is fixed on the fixed column, the bottom end of the fixed column is fixed on the top of the fixed plate, and the other side of the fixed column is fixedly connected with the connecting rod two, and the connecting rod two is far away from the fixed One side of the column is provided with a sliding column two, the sliding column two is located in the second return groove, the inside of the second return groove is a hollow structure, and the second return groove is connected to the side far away from the connecting rod two There is a slide bar, and the slide bar is located inside the support seat 2 perpendicular to the support seat 1, and the inside of the support seat 2 is provided with a chute 2 matching the slide bar. The inside of the groove two is provided with the threaded rod two on the side far away from the back-shaped groove two, and the threaded rod two is provided with the slide rod matched with the threaded rod two, and the threaded rod two Rod 2 is fixedly connected to motor 2 on one side away from said back-shaped groove 2, and the rotating shaft of said motor 2 is connected to said threaded rod 2 in rotation, and said support seat 2 is far away from the outer part of said back-shaped groove 2. A rocker arm 2 is provided on the side, and the rocker arm 2 is rotatably connected with the threaded rod 2.

Further, a number of scales are provided on the outer side of the support seat one away from the connecting rod one, and the bottom end of the limit plate is clamped on one side of the scale outside the support seat one .

Further, an opening is provided at the top of the slot, and a baffle is provided at the opening.

Further, a fixed block is provided at the top of the positioning block above the opening, a telescopic rod is provided at the bottom of the fixed block, a telescopic motor is provided inside the telescopic rod, and a An adjustment button, and the adjustment button is connected with the control of the telescopic motor.

Further, the bottom end of the telescopic rod is provided with a flexible insulating plate suitable for the opening.

Further, a control button is provided on the outer side of the support base 1, and the control button is connected to the motor 1 for control.

Further, both sides of the bottom end of the positioning frame are fixed to the top end of the fixing base by bolts.

Further, the top end of the fixing base is provided with a third slide slot, and the bottom end of the positioning block is provided with a slider matching the third slide slot.

Further, the angle between the first connecting rod and the second connecting rod is less than 90 degrees.

Beneficial effects of the present invention: by putting the magnetic core to be tested in the through hole of the positioning frame, and putting the standard magnetic core in the slot of the positioning blocks on both sides, the pushing structures on both sides can be pushed The positioning block moves, thereby driving the movement of the standard magnetic core, and the rotation of the motor 1 drives the rotation of the threaded rod 1, thereby driving the fixed plate on the threaded rod to slide along the groove, and the sliding of the fixed plate makes the connecting rod at the top of the fixed plate The first and the connecting rod two slide in the return groove one and the return groove two, thereby driving the push rod to slide in the first slide groove, and at the same time, the second connecting rod can drive the slide rod to slide in the second slide groove, and can also pass through The rocker arm 1 and the rocker arm 2 are manually adjusted. By adjusting the rotation frequency of the motor, it is more convenient to drive the push rod to push the sliding of the positioning block. stroke, so as to ensure that the force on the positioning blocks on both sides is more uniform, so that the distance between the positioning blocks on both sides and the magnetic core to be tested is the same, which is more conducive to the movement of the standard magnetic core, so that the detection accuracy can be greatly guaranteed. At the same time Save labor and make testing more convenient.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is a schematic structural view of a magnetic core inductance detection device according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of a pushing structure according to an embodiment of the present invention.

In the picture:

1. Fixed seat; 2. Positioning frame; 3. Through hole; 4. Coil; 5. Inductance detector; 6. Positioning block; 7. Card slot; 8. Pushing structure; 9. Support seat one; 10. Support seat Two; 11, push rod; 12, return groove one; 13, return groove two; 14, threaded rod one; 15, threaded rod two; 16, groove; 17, motor one; 18, rocker one; 19 , fixed plate; 20, chute one; 21, opening; 22, baffle plate; 23, limit plate; 24, sliding post one; 25, connecting rod one; 26, fixed post; 27, connecting rod two; 28, Sliding column two; 29, sliding rod; 30, chute two; 31, motor two; 32, rocking arm two; 33, scale; 34, fixed block; 35, telescopic rod; 36, telescopic motor; 37, adjustment button; 38, flexible insulation board; 39, control button; 40, bolt; 41, chute three; 42, slider.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

According to an embodiment of the present invention, a magnetic core inductance detection device is provided.

As shown in Figure 1-2, the magnetic core inductance detection device according to the embodiment of the present invention includes a fixing seat 1, a positioning frame 2 is fixed in the middle of the top end of the fixing seat 1, and a through hole is provided in the middle of the positioning frame 2 3. A coil 4 is provided around the outside of the positioning frame 2, an inductance detector 5 is provided on one side of the top of the fixing base 1, and the inductance detector 5 is connected to both ends of the coil 4, the Both sides of the positioning frame 2 are symmetrically provided with a positioning block 6, and the side of the positioning block 6 near the positioning frame 2 is provided with a C-type card slot 7, and the side of the positioning block 6 is far away from the positioning frame 2. A push structure 8 is provided, and the push structure 8 includes a support seat one 9, a support seat two 10, a push rod 11, a return groove one 12, a return groove two 13, a threaded rod one 14 and a threaded rod two 15, the Support seat one 9 is positioned at the side of described fixed seat 1, and described support seat one 9 inner top is provided with groove 16, and described groove 16 is provided with described threaded rod one side away from described fixed seat 1 14. The threaded rod one 14 is provided with a motor one 17 away from the side of the fixed seat 1, and the rotation shaft of the motor one 17 is rotationally connected with the threaded rod one 14, and the support seat one 9 is far away from the fixed seat 1. One side of the fixed base 1 is provided with a rocker arm one 18, and the rocker arm one 18 is rotationally connected with the threaded rod one 14, and the threaded rod one 14 is sleeved with a fixed plate 19, and the fixed plate The diameter of the top cross-section of 19 is greater than the cross-sectional diameter of the support seat-9, and the top of the fixed plate 19 near the side of the fixed seat 1 is provided with a chute-20, and the chute-20 is provided with a The push rod 11 that is compatible with the chute-20, the push rod 11 is fixed with the return-shaped groove-12 on the side away from the fixed seat 1, and the inside of the return-form groove-12 is hollowed out Structure, the outside of the back-shaped groove-12 is provided with a limit plate 23 near the side of the push rod 11, and the inside of the back-shaped groove-12 is provided with a sliding column-24 that is compatible with the described back-shaped groove-12 , the bottom side of the sliding post-24 is connected with a connecting rod-25, the side of the connecting rod-25 away from the sliding post-24 is fixed on the fixed post 26, and the bottom end of the fixed post 26 is fixed On the top of the fixed plate 19, the other side of the fixed column 26 is fixedly connected with a second connecting rod 27, and the second connecting rod 27 is provided with a sliding column 28 away from the side of the fixed column 26. The second post 28 is located in the second return groove 13, the inside of the second return groove 13 is a hollow structure, and the side of the second return groove 13 away from the second connecting rod 27 is connected with a slide bar 29. The slide bar 29 is positioned at the inside of the support seat two 10 perpendicular to the support seat one 9, and the inside of the support seat two 10 is provided with a chute two 30 suitable for the slide bar 29. The inside of groove 2 30 is provided with said threaded rod 2 15 on the side far away from said back-type groove 2 13, and said threaded rod 2 15 is sleeved with said sliding rod matched with said threaded rod 2 15. Rod 29, the threaded rod 2 15 is fixedly connected with a motor 2 31 away from the side of the return groove 2 13, and the rotating shaft of the motor 2 31 rotates with the threaded rod 2 15 Connected, the outer side of the support base 10 away from the return groove 13 is provided with a rocker arm 2 32, and the rocker arm 2 32 is rotatably connected with the threaded rod 2 15.

With the help of the above technical solution, by putting the magnetic core to be tested in the through hole 3 of the positioning frame 2, and putting the standard magnetic core in the slot 7 of the positioning block 6 on both sides, through the pushing structure 8 on both sides, The positioning blocks 6 on both sides can be pushed to move, thereby driving the movement of the standard magnetic core, and then driving the rotation of the threaded rod 14 through the rotation of the motor one 17, thereby driving the fixed plate 19 on the threaded rod to slide along the groove 16, and fix the The sliding of the plate 19 makes the connecting rod one 25 and the connecting rod two 27 at the top of the fixed plate 19 slide in the return groove one 12 and the return groove two 13, thereby driving the push rod 11 to slide in the chute one 20, and at the same time The connecting rod 27 can drive the sliding rod 29 to slide in the chute 230, and can also be manually adjusted through the rocker arm 18 and the rocker arm 2 32. By adjusting the rotation frequency of the motor, it is more convenient to drive the push rod 11 to push The sliding of the positioning block 6 can be more convenient to adjust the stroke of the push rod 11 through the vertical support seat 9 and the support seat 2 10, thereby ensuring that the positioning blocks 6 on both sides are more evenly stressed, so that the positioning blocks 6 on both sides The distance between the magnetic cores to be tested is the same, which is more conducive to the movement of standard magnetic cores, thereby greatly ensuring the accuracy of detection, saving labor and making testing more convenient.

In addition, a number of scales 33 are provided on the side of the support base 9 away from the connecting rod 25, and the bottom end of the limit plate 23 is clamped on the outside of the support base 9. On one side of the scale 33, the moving distance of the push rod 11 can be observed conveniently and accurately through the scale 33, which further ensures the accuracy of the magnetic core detection, makes it easier for people to observe and record, and reduces the influence of errors.

In addition, an opening 21 is provided at the top of the slot 7 , and a baffle 22 is provided at the opening 21 , through the opening 21 and the baffle 22 , it is more convenient to open and close the objects in the positioning block 6 .

In addition, the top inside of the positioning block 6 is located above the opening 21 and is provided with a fixed block 34, and the bottom end of the fixed block 34 is provided with a telescopic rod 35, and a telescopic motor 36 is arranged inside the telescopic rod 35. Block 34 outside one side is provided with adjustment button 37, and described adjustment button 37 is connected with described telescopic motor 36 control, can drive the expansion and contraction of telescopic rod 35 conveniently by telescopic motor 36, simultaneously adjustment button 37 can drive the expansion and contraction of telescopic motor 36 conveniently. Rotation, greatly saving labor.

In addition, the bottom end of the telescopic rod 35 is provided with a flexible insulating plate 38 adapted to the opening 21, and the standard magnetic core in the slot 7 can be effectively fixed through the flexible insulating plate 38, reducing the sliding process. Sliding occurs in the middle, and the insulating plate can reduce the influence on the experimental results, which greatly guarantees the accuracy of the test results.

In addition, a control button 39 is provided on the outer side of the support base 9, and the control button 39 is connected to the motor 17, and the control button 39 can conveniently drive the rotation of the motor 17, thereby driving the push button 39. Slide of rod 11.

In addition, both sides of the bottom end of the positioning frame 2 are fixed to the top of the fixing seat 1 by bolts 40, and the positioning frame 2 can be fixed more firmly by the bolts 40, thereby ensuring the detection accuracy.

Simultaneously, the top of the fixed base 1 is provided with a slide groove three 41, and the bottom end of the positioning block 6 is provided with a slide block 42 matching with the slide groove three 41, and the connecting rod one 25 is connected with the slide groove three 41. The included angle between the two connecting rods 27 is less than 90 degrees, the sliding of the positioning block 6 can be more convenient through the third chute 41, and the sliding block 42 can reduce the friction to the positioning block 6, thereby increasing the service life of the device.

In summary, with the help of the above technical solution of the present invention, by putting the magnetic core to be tested in the through hole 3 of the positioning frame 2, and putting the standard magnetic core in the slot 7 of the positioning blocks 6 on both sides, Through the pushing structures 8 on both sides, the positioning blocks 6 on both sides can be pushed to move, thereby driving the movement of the standard magnetic core, and then driving the rotation of the threaded rod 14 through the rotation of the motor 17, thereby driving the fixed plate 19 on the threaded rod Sliding along the groove 16, the sliding of the fixing plate 19 makes the connecting rod one 25 and the connecting rod two 27 at the top of the fixing plate 19 slide in the back-shaped groove one 12 and the back-shaped groove two 13, thereby driving the push rod 11 in the Sliding in chute one 20, can drive slide bar 29 to slide in chute two 30 by connecting rod two 27 simultaneously, can also carry out manual adjustment by rocking arm one 18 and rocking arm two 32, by adjusting the rotational frequency of motor, thereby It is more convenient to drive the push rod 11 to push the sliding of the positioning block 6, and at the same time, it is more convenient to adjust the stroke of the push rod 11 through the mutually perpendicular support seat 9 and support seat 2 10, thereby ensuring that the positioning blocks 6 on both sides are more evenly stressed , so that the distance between the positioning blocks 6 on both sides of the magnetic core to be tested is the same, which is more conducive to the movement of the standard magnetic core, thereby greatly ensuring the detection accuracy, saving labor and making testing more convenient.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (9)

1. a magnetic core inductance detection device is characterized in that, comprises fixed seat (1), and the top middle part of described fixed seat (1) is fixed with positioning frame (2), and the middle part of described positioning frame (2) is provided with Through holes (3), the outside of the positioning frame (2) is surrounded by a coil (4), the top side of the fixed base (1) is provided with an inductance detector (5), and the inductance detector ( 5) It is connected to both ends of the coil (4), and positioning blocks (6) are arranged symmetrically on both sides of the positioning frame (2), and the positioning block (6) is close to the side of the positioning frame (2) A C-like card slot (7) is provided, and the positioning block (6) is provided with a pushing structure (8) on one side away from the positioning frame (2), and the pushing structure (8) includes a support seat ( 9), support seat two (10), push rod (11), return groove one (12), return groove two (13), threaded rod one (14) and threaded rod two (15), the support seat One (9) is located on the side of the fixed seat (1), and the inner top of the support seat one (9) is provided with a groove (16), and the inside of the groove (16) is far away from the fixed seat (1) One side is provided with the threaded rod one (14), and the one side of the threaded rod (14) is provided with the motor one (17) away from the fixed seat (1), and the motor one (17) The rotating shaft is rotatably connected with the threaded rod one (14), and the support seat one (9) is provided with a rocking arm one (18) on the outside of the side away from the fixed seat (1), and the rocking arm one (18) ) is rotationally connected with the threaded rod one (14), the threaded rod one (14) is sleeved with a fixed plate (19), and the diameter of the top cross-section of the fixed plate (19) is larger than that of the support seat The cross-sectional diameter of one (9), the top of the fixed plate (19) near the side of the fixed seat (1) is provided with a chute one (20), and the chute one (20) is provided with a The push rod (11) that is compatible with the chute one (20), the push rod (11) is fixed with the return groove one (12) on the side away from the fixed seat (1), the The inside of the return groove one (12) is a hollow structure, and the outside of the return groove one (12) is provided with a limit plate (23) near the side of the push rod (11), and the inside of the return groove one (12) Be provided with a sliding column one (24) that is compatible with the described return groove one (12), the bottom side of the sliding column one (24) is connected with a connecting rod one (25), and the connecting rod one ( 25) The side away from the sliding column one (24) is fixed on the fixed column (26), and the bottom end of the fixed column (26) is fixed on the top of the fixed plate (19), and the fixed column ( The other side of 26) is fixedly connected with connecting rod two (27), and described connecting rod two (27) is provided with sliding column two (28) away from described fixing column (26), and described sliding column two (28) ) is located in the two back-shaped grooves (13), the inside of the two back-shaped grooves (13) is a hollow structure, and the side of the two back-shaped grooves (13) away from the two connecting rods (27) is connected with A slide bar (29), the slide bar (29) is located on the vertical side of the support seat one (9). The inside of the support seat two (10), the inside of the support seat two (10) is provided with a chute two (30) that is compatible with the slide bar (29), and the inside of the two chute (30) is far away from the One side of the reciprocal groove two (13) is provided with the threaded rod two (15), and the threaded rod two (15) is sleeved with the threaded rod two (15). Said slide bar (29), said threaded rod two (15) is fixedly connected with motor two (31) on one side away from said return groove two (13), and the rotating shaft of said motor two (31) is connected with said The threaded rod two (15) are rotationally connected, and the outer side of the support seat two (10) away from the return groove two (13) is provided with a rocker arm two (32), and the rocker arm two (32) It is rotatably connected with the threaded rod two (15). 2. magnetic core inductance detection device according to claim 1, is characterized in that, the outside of described support seat one (9) is provided with some scales (33) away from the side of described connecting rod one (25), And the bottom end of the limiting plate (23) is clamped on one side of the scale (33) outside the support seat one (9). 3. The magnetic core inductance detection device according to claim 1, characterized in that an opening (21) is provided at the top of the slot (7), and a baffle (22) is provided at the opening (21). 4. magnetic core inductance detection device according to claim 3, is characterized in that, described positioning block (6) inner top is positioned at described opening (21) and is provided with fixed block (34), and described fixed block (34 ) is provided with a telescopic rod (35), the telescopic rod (35) is provided with a telescopic motor (36), and the outer side of the fixed block (34) is provided with an adjustment button (37), and the adjustment The button (37) is connected with the control of the telescoping motor (36). 5. The magnetic core inductance detection device according to claim 4, characterized in that, the bottom end of the telescopic rod (35) is provided with a flexible insulating plate (38) adapted to the opening (21). 6. magnetic core inductance detecting device according to claim 1, is characterized in that, the outer one side of described support seat one (9) is provided with control button (39), and described control button (39) and described Described motor one (17) control connection. 7. The magnetic core inductance detection device according to claim 1, characterized in that, both sides of the bottom end of the positioning frame (2) are fixed to the top end of the fixing base (1) by bolts (40). 8. The magnetic core inductance detection device according to claim 1, characterized in that, the top of the holder (1) is provided with a chute three (41), and the bottom of the positioning block (6) is provided with The slide block (42) that is matched with described chute three (41). 9. The magnetic core inductance detection device according to claim 1, characterized in that the angle between the first connecting rod (25) and the second connecting rod (27) is less than 90 degrees.