CN215067234U - Magnetic flux measuring device - Google Patents

Abstract

A magnetic flux measuring device comprises a base body and a gauss meter arranged on the base body, wherein the base body comprises a panel, a positioning structure, a guide structure and a limiting structure, the positioning structure, the guide structure and the limiting structure are arranged on the panel, and the gauss meter comprises a Hall probe and a measuring instrument; the measuring instrument is fixed in the positioning structure, the limiting structure comprises an object stage, the object stage is provided with a limiting groove for accommodating a magnetic part to be measured, the guiding structure comprises a guide rail, a sliding block which is embedded in the guide rail in a movable mode, and a first limiting block located at one end of the guide rail, and the Hall probe is fixed on the sliding block; when the sliding block moves to a position where the sliding block abuts against the first limiting block on the guide rail, the Hall probe needle is over against the limiting groove on the objective table. The measuring device has the advantages of simple and compact structure, simple and convenient operation, high measuring precision, low manufacturing cost and wide application range.

Description

Magnetic flux measuring device

Technical Field

The utility model relates to a magnetic flux measuring equipment technical field, concretely relates to magnetic flux measuring device.

Background

At present, the magnetic flux on the surface of a magnet is measured in an industrial mode that a handheld gaussmeter Hall probe is usually aligned to the surface of the magnet to measure, and the defects of long measuring time, low measuring efficiency, low measuring precision and the like exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a magnetic flux measuring device that simple structure is compact, easy operation is convenient, measurement accuracy is high, the cost of manufacture is low and be suitable for the object extensively is provided.

In order to solve the technical problem, the technical solution adopted by the utility model is to provide a magnetic flux measuring device, which is characterized in that the measuring device comprises a base body and a gaussmeter arranged on the base body, the base body comprises a panel and a positioning structure, a guiding structure and a limiting structure arranged on the panel, and the gaussmeter comprises a hall probe and a measuring instrument; the measuring instrument is fixed in the positioning structure, the limiting structure comprises an object stage, the object stage is provided with a limiting groove for accommodating a magnetic part to be measured, the guiding structure comprises a guide rail, a sliding block which is embedded in the guide rail in a movable mode, and a first limiting block located at one end of the guide rail, and the Hall probe is fixed on the sliding block; when the sliding block moves to a position where the sliding block abuts against the first limiting block on the guide rail, the Hall probe needle is over against the limiting groove on the objective table.

Through the measuring device adopting the technical scheme, when measuring the magnetic flux of the magnetic part to be measured, the magnetic part to be measured can be fixed in the limiting groove, then the slider is moved to the position abutted against the first limiting block, so that the Hall probe connected with the slider just faces the magnetic part to be measured fixed in the limiting groove, the magnetic flux of the magnetic part to be measured in the limiting groove is accurately measured, the operation steps are simple, and the detection efficiency can be improved.

The utility model provides an among the magnetic flux measuring device, the objective table rotatable install in the panel, one side of objective table is concave to be equipped with a plurality ofly spacing recess, a plurality of the shape size diverse of spacing recess. It can be understood that different spacing recesses on the objective table can hold the magnetic part that awaits measuring of shape size difference, can make through rotating the objective table the hall probe needle the slider with first stopper supports and just to different spacing recesses respectively when leaning on, thereby measuring device can measure the magnetic flux of the magnetic part that awaits measuring of multiple shape size difference, has promoted measuring device's compatibility and adaptability.

The utility model provides an among the magnetic flux measuring device, the orientation of objective table the bottom surface of panel is equipped with the annular groove, be fixed with the uide pin on the panel, the effluvium of uide pin a pot head of panel is equipped with the direction bush, the direction bush stretches into in the annular groove, the lateral surface of direction bush with the medial surface sliding contact of annular groove.

The utility model provides an among the magnetic flux measuring device, the objective table is flat cylindric, limit structure still includes that a pair of inboard has the spacing guide block of arc surface, and is a pair of the fixing of spacing guide block symmetry is on the panel, the objective table is located a pair of between the spacing guide block, the face of cylinder of objective table respectively with two the arc surface sliding contact of spacing guide block.

In the magnetic flux measuring device provided by the utility model, the guide structure further comprises a second limiting block positioned at the other end of the guide rail; the base body further comprises a demagnetizing structure arranged on the panel, the demagnetizing structure comprises a fixed block, a guide shaft which is arranged on the fixed block in a sliding mode and penetrates through the fixed block, a connecting plate connected to one end of the guide shaft, and a demagnetizing sleeve fixed on the connecting plate, and the axis of the demagnetizing sleeve, the axis of the guide shaft and the axis of the Hall probe are parallel to each other; when the sliding block moves to a position where the sliding block abuts against the second limiting block on the guide rail, the Hall probe needle is opposite to the demagnetization sleeve. When the Hall probe needle is opposite to the demagnetization sleeve, the connecting plate can be pushed to enable the demagnetization sleeve to move towards the Hall probe, so that the demagnetization sleeve covers the Hall probe, and then a zero clearing key on an operation interface of the measuring instrument is manually pressed to demagnetize the Hall probe for the next detection.

The utility model provides an among the magnetic flux measuring device, guide structure still includes deflector and guide post, the deflector seted up the extending direction with the unanimous first guide way of guide rail and second guide way, the guide post with hall probe interval and parallel install in the slider, hall probe with the guide post passes respectively first guide way and second guide way. Here, during the process that the slider moves on the guide rail, the hall probe and the guide post move in the first guide groove and the second guide groove respectively, and the key function of the hall probe and the guide post is to prevent the hall probe and the guide post from shaking during the moving process.

In the magnetic flux measuring device provided by the utility model, a guide hole is arranged on the connecting plate in a penetrating way; when the sliding block moves to a position where the sliding block abuts against the second limiting block on the guide rail, the guide column is opposite to the guide hole. Therefore, when the sliding block moves on the guide rail to a position abutted against the second limiting block, the guide post can pass through the guide hole in the process that the connecting plate moves towards or away from the Hall probe, so that the connecting plate is prevented from deviating in the moving process, and the demagnetization sleeve can be smoothly sleeved on the Hall probe.

The utility model provides an among the magnetic flux measuring device, the demagnetization structure is still including being fixed in the panel and with the quick clamp that the connecting plate is connected. The quick clamp is used for facilitating a tester to quickly push and pull the connecting plate so as to enable the degaussing sleeve to quickly cover or withdraw the Hall probe.

The utility model provides an among the magnetic flux measuring device, be equipped with adsorption magnet on the second stopper, the slider is made by the material that can magnetism inhale. It can be understood that, when the slider on the guide rail move to with the second stopper leans on the position, adsorption magnet can hold the slider to the realization is to the location of slider, prevents to lead to because of untimely rocking the slider dislocation.

The utility model provides an among the magnetic flux measuring device, still be equipped with the tool groove on the panel, the instrument is put to have magnet in the tool groove and is got and put the instrument, magnet get put the instrument by with compact heap that the panel is connected is fixed, the compact heap through the hand screw with the panel is connected. The magnet that configuration was convenient for take on the panel is got and is put the instrument, makes things convenient for the tester quick takes out or puts into the magnetic part that awaits measuring in the spacing recess of objective table.

Implement the utility model discloses a magnetic flux measuring device can reach following beneficial effect at least:

1. through adopting the utility model provides a measuring device, when measuring the magnetic flux of the magnetic part that awaits measuring, can fix the magnetic part that awaits measuring in spacing recess, then remove the slider to the position of leaning on with first stopper to make the hall probe who is connected with the slider just to fixing the magnetic part that awaits measuring in spacing recess, thereby carry out the precision measurement to the magnetic flux of the magnetic part that awaits measuring in the spacing recess, and operating procedure is simple, can improve detection efficiency.

2. Different spacing grooves on the objective table can accommodate magnetic parts to be measured with different shapes and sizes, the Hall probe needle can be enabled to be in by rotating the objective table, the slider is abutted against the first spacing block to respectively measure different spacing grooves, so that the measuring device can measure the magnetic fluxes of the magnetic parts to be measured with different shapes and sizes, and the compatibility and adaptability of the measuring device are improved

3. When the Hall probe needle is over against the demagnetization sleeve, the connecting plate can be pushed to enable the demagnetization sleeve to move towards the Hall probe, so that the demagnetization sleeve covers the Hall probe, and then a zero clearing key on an operation interface of the measuring instrument is manually pressed to demagnetize the Hall probe for the next detection.

4. In the process that the sliding block moves on the guide rail, the Hall probe and the guide post respectively move in the first guide groove and the second guide groove, and the key effect is that the Hall probe and the guide post can be prevented from shaking in the moving process.

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, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts:

fig. 1 is a perspective assembly view of the measuring device provided in this embodiment;

fig. 2 is a perspective assembly view (one) of a part of the components of the guiding structure provided in this embodiment;

fig. 3 is a perspective assembly view of the positioning structure provided in this embodiment;

fig. 4 is a schematic cross-sectional view of the limiting structure provided in this embodiment;

fig. 5 is a schematic perspective assembly view of the degaussing structure provided in this embodiment;

fig. 6 is a perspective assembly view (ii) of a part of the components of the guiding structure provided in this embodiment;

fig. 7 is a schematic structural diagram of a connection plate provided in this embodiment;

fig. 8 is an installation diagram of the magnet picking and placing tool according to the embodiment.

The reference numerals in the detailed description illustrate:

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Typical embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The present embodiment provides a magnetic flux measuring apparatus. Referring to fig. 1, fig. 1 is a schematic perspective assembly view of a measuring device provided in this embodiment, and as shown in fig. 1, the measuring device includes a substrate and a gaussmeter mounted on the substrate. The gaussmeter generally comprises a Hall probe 14 and a measuring instrument 6, and the base body comprises a panel 1 and a positioning structure, a guide structure and a limiting structure which are arranged on the panel 1. In this embodiment, the bottom surface of the panel 1 is connected with a plurality of foot pads 2. In this embodiment, the limiting structure is used for fixing the magnetic component 28 to be measured, and specifically, as can be seen in fig. 1, the limiting structure includes an object stage 27, and the object stage 27 is provided with a limiting groove for accommodating the magnetic component 28 to be measured. In this embodiment, the hall probe 14 is fixed to the guide structure, specifically, with reference to fig. 1 and fig. 2, fig. 2 is a schematic perspective assembly diagram (i) of a part of components of the guide structure provided in this embodiment, as shown in fig. 1 and fig. 2, the guide structure includes a guide rail 9 laid on the panel 1, a slider 13 movably embedded in the guide rail 9, and a first stopper 12 located at one end of the guide rail 9, the hall probe 14 is fixed to the slider 13, and when the slider 13 moves on the guide rail 9 to a position abutting against the first stopper 12, the hall probe 14 faces a stopper groove on the stage 27. It is worth mentioning that a wire buckle 10 is further arranged on the sliding block 13, and the wire buckle 10 is used for fixing a connecting wire between the hall probe 14 and the measuring instrument 6. In addition, the top of the sliding block 13 is provided with a pushing block 11 which is convenient for a tester to pinch to push the sliding block 13. In this embodiment, the measuring instrument 6 is fixed to the positioning structure, specifically, referring to fig. 1 and 3, fig. 3 is a schematic three-dimensional combination diagram of the positioning structure provided in this embodiment, as shown in fig. 1 and 3, the positioning structure includes a carrier plate 3, and further includes a plurality of limiting posts 4 and a plurality of retaining posts 5 inserted into the carrier plate 3, the measuring instrument 6 is embedded in the carrier plate 3, the plurality of limiting posts 4 are respectively fixed to the left and right sides of the measuring instrument 6, and the plurality of retaining posts 5 are respectively fixed to the upper and lower sides of the measuring instrument 6.

When the measuring device provided by the embodiment is used for measuring the magnetic flux of the magnetic part 28 to be measured, the magnetic part 28 to be measured can be fixed in the limiting groove, and then the sliding block 13 is moved to the position abutted against the first limiting block 12, so that the hall probe 14 connected with the sliding block 13 is just opposite to the magnetic part 28 to be measured fixed in the limiting groove, and the magnetic flux of the magnetic part 28 to be measured in the limiting groove is accurately measured. Moreover, the whole operation steps are simple and easy to implement, and compared with the prior art, the detection efficiency can be greatly improved.

Further, the object stage 27 is rotatably mounted on the panel 1, specifically, referring to fig. 4, fig. 4 is a schematic cross-sectional view of the limiting structure provided in this embodiment, as shown in fig. 4, an annular groove 34 is formed in a bottom surface of the panel 1 facing the object stage 27, a guide pin 30 is fixed on the panel 1, a guide bush 29 is sleeved at an end of the guide pin 30 protruding out of the panel 1, the guide bush 29 extends into the annular groove 34, and an outer side surface of the guide bush 29 is in sliding contact with an inner side surface of the annular groove 34. In addition, as can be seen in fig. 1, the object stage 27 is in a flat cylindrical shape, the limiting structure further includes a pair of limiting guide blocks 26 having circular arc surfaces on inner sides, the pair of limiting guide blocks 26 are symmetrically fixed on the panel 1, the object stage 27 is located between the pair of limiting guide blocks 26, and cylindrical surfaces of the object stage 27 are in sliding contact with the circular arc surfaces of the two limiting guide blocks 26, respectively. As shown in fig. 1, a plurality of the limiting grooves are concavely formed on one side of the object stage 27, and the shape and size of the limiting grooves are different from each other. It can be understood that different limiting grooves on the object stage 27 can accommodate the magnetic members 28 to be measured with different shapes and sizes, and the hall probe 14 can be made to be respectively opposite to the different limiting grooves when the sliding block 13 abuts against the first limiting block 12 by rotating the object stage 27, so that the measuring device can measure the magnetic fluxes of the magnetic members 28 to be measured with different shapes and sizes, and the compatibility and the adaptability of the measuring device are improved.

Further, referring to fig. 2, the guide structure further includes a second stopper 7 located at the other end of the guide rail 9. The base body further includes a demagnetizing structure mounted on the panel 1, specifically, referring to fig. 1 and 5, fig. 5 is a schematic three-dimensional assembly diagram of the demagnetizing structure provided in this embodiment, as shown in fig. 1 and 5, the demagnetizing structure includes a fixed block 20 fixed on the panel 1, a guide shaft 22 slidably disposed through the fixed block 20, a connecting plate 19 connected to one end of the guide shaft 22, and a demagnetizing sleeve 24 fixed on the connecting plate 19, and an axis of the demagnetizing sleeve 24, an axis of the guide shaft 22, and an axis of the hall probe 14 are parallel to each other; when the sliding block 13 moves on the guide rail 9 to a position abutting against the second limiting block 7, the hall probe 14 is opposite to the demagnetization sleeve 24. Preferably, a bearing 21 is arranged in the fixed block 20, and the guide shaft 22 is arranged in the bearing 21 in a penetrating manner. It can be understood that, after the hall probe 14 is aligned with the demagnetization sleeve 24, the connection plate 19 can be pushed to move the demagnetization sleeve 24 toward the hall probe 14, so that the demagnetization sleeve 24 surrounds the hall probe 14, and then the clear key on the operation interface of the measuring instrument 6 is manually pressed to demagnetize the hall probe 14 for the next detection.

Further, referring to fig. 6, fig. 6 is a perspective assembly schematic view (ii) of a part of components of the guide structure provided in this embodiment, and as can be seen in fig. 6, the guide structure further includes a guide plate 36 and a guide post 15, the guide plate 36 is provided with a first guide slot 16 and a second guide slot 17 whose extension directions are consistent with the guide rail 9, the guide post 15 and the hall probe 14 are mounted on the slider 13 at intervals and in parallel, and the hall probe 14 and the guide post 15 respectively pass through the first guide slot 16 and the second guide slot 17. Here, during the movement of the slider 13 on the guide rail 9, the hall probe 14 and the guide post 15 move in the first guide slot 16 and the second guide slot 17, respectively, and the key function is to prevent the hall probe 14 and the guide post 15 from shaking during the movement. Referring to fig. 7, fig. 7 is a schematic structural view of the connecting plate 19 provided in this embodiment, and as shown in fig. 7, a guide hole 18 is formed in the connecting plate 19 in a penetrating manner; when the sliding block 13 moves on the guide rail 9 to a position abutting against the second limiting block 7, the guide column 15 is opposite to the guide hole 18. In this way, when the slider 13 moves on the guide rail 9 to a position abutting against the second stopper 7, the guide post 15 can pass through the guide hole 18 in the process that the connecting plate 19 moves towards or away from the hall probe 14, so that the connecting plate 19 is ensured not to deviate in the moving process, and the demagnetization sleeve 24 is ensured to smoothly sleeve the hall probe 14. In addition, referring to fig. 7, the connecting plate 19 is provided with a positioning notch 35, the demagnetization sleeve 24 is locked in the positioning notch 35 (as shown in fig. 5), and a locking block 25 fixed with the connecting plate 19 is arranged on the upper side of the demagnetization sleeve 24, so that the demagnetization sleeve 24 is fixed on the connecting plate 19.

Further, with continued reference to fig. 5, the demagnetizing structure further includes a quick clamp 23 fixed to the panel 1 and connected to the connecting plate 19. Here, the function of the quick clamp 23 is to facilitate the tester to quickly push and pull the connecting plate 19 so as to quickly sleeve or withdraw the degaussing sleeve 24 on or from the hall probe 14.

Further, referring back to fig. 2, the second stopper 7 is provided with an attracting magnet 8, and the slider 13 is made of a material capable of being magnetically attracted. It can be understood that, when the slider 13 moves on the guide rail 9 to a position abutting against the second stopper 7, the attracting magnet 8 can attract the slider 13 to realize the positioning of the slider 13, so as to prevent the slider 13 from being dislocated due to unexpected shaking.

Further, referring to fig. 1 and 8, fig. 8 is an installation schematic diagram of a magnet picking and placing tool 31 provided in this embodiment, and as can be seen from fig. 1 and 8, a tool slot is further provided on the panel 1, the magnet picking and placing tool 31 is accommodated in the tool slot, the magnet picking and placing tool 31 is fixed by a pressing block 32 connected to the panel 1, and the pressing block 32 is connected to the panel 1 by a hand screw 33. A magnet taking and placing tool 31 convenient to take is arranged on the panel 1, so that a tester can conveniently and quickly take out or place the magnetic part 28 to be tested into the limit groove of the objective table 27.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is protected by the following claims.

Claims (10)

1. A magnetic flux measuring device, characterized in that the measuring device comprises a base body and a gauss meter arranged on the base body, wherein the base body comprises a panel (1) and a positioning structure, a guiding structure and a limiting structure which are arranged on the panel (1), and the gauss meter comprises a hall probe (14) and a measuring instrument (6); the measuring instrument (6) is fixed in the positioning structure, the limiting structure comprises an object stage (27), the object stage (27) is provided with a limiting groove for accommodating a magnetic part (28) to be measured, the guiding structure comprises a guide rail (9), a sliding block (13) embedded in the guide rail (9) in a movable manner, and a first limiting block (12) located at one end of the guide rail (9), and the Hall probe (14) is fixed on the sliding block (13); when the sliding block (13) moves on the guide rail (9) to a position abutting against the first limiting block (12), the Hall probe (14) is opposite to the limiting groove in the objective table (27).

2. The magnetic flux measuring device of claim 1, wherein the stage (27) is rotatably mounted on the panel (1), and a plurality of limiting grooves are recessed on one side of the stage (27) and have different shapes and sizes.

3. The magnetic flux measuring device according to claim 2, characterized in that the bottom surface of the object stage (27) facing the panel (1) is provided with an annular groove (34), a guide pin (30) is fixed on the panel (1), one end of the guide pin (30) protruding out of the panel (1) is sleeved with a guide bush (29), the guide bush (29) extends into the annular groove (34), and the outer side surface of the guide bush (29) is in sliding contact with the inner side surface of the annular groove (34).

4. The magnetic flux measuring device according to claim 3, wherein the stage (27) is in a flat cylindrical shape, the limiting structure further comprises a pair of limiting guide blocks (26) with arc surfaces on the inner sides, the pair of limiting guide blocks (26) are symmetrically fixed on the panel (1), the stage (27) is located between the pair of limiting guide blocks (26), and the cylindrical surfaces of the stage (27) are in sliding contact with the arc surfaces of the two limiting guide blocks (26), respectively.

5. A magnetic flux measuring device according to claim 1, characterized in that the guiding structure further comprises a second stopper (7) at the other end of the guide rail (9); the base body further comprises a demagnetizing structure arranged on the panel (1), the demagnetizing structure comprises a fixed block (20), a guide shaft (22) capable of being slidably arranged on the fixed block (20) in a penetrating mode, a connecting plate (19) connected to one end of the guide shaft (22), and a demagnetizing sleeve (24) fixed on the connecting plate (19), and the axis of the demagnetizing sleeve (24), the axis of the guide shaft (22) and the axis of the Hall probe (14) are parallel to each other; when the sliding block (13) moves on the guide rail (9) to a position where the sliding block abuts against the second limiting block (7), the Hall probe (14) is opposite to the demagnetization sleeve (24).

6. The magnetic flux measuring device according to claim 5, wherein the guide structure further comprises a guide plate (36) and a guide post (15), the guide plate (36) is provided with a first guide groove (16) and a second guide groove (17) with the extension directions consistent with that of the guide rail (9), the guide post (15) and the Hall probe (14) are mounted on the slider (13) in a spaced and parallel manner, and the Hall probe (14) and the guide post (15) respectively penetrate through the first guide groove (16) and the second guide groove (17).

7. A magnetic flux measuring device according to claim 6, characterized in that said connecting plate (19) is pierced with a guide hole (18); when the sliding block (13) moves on the guide rail (9) to a position abutting against the second limiting block (7), the guide column (15) is opposite to the guide hole (18).

8. A magnetic flux measuring device according to claim 5, characterized in that said degaussing structure further comprises a quick clamp (23) fixed to said panel (1) and connected to said connection plate (19).

9. The magnetic flux measuring device of claim 5, wherein the second stopper (7) is provided with a magnet (8), and the slider (13) is made of a magnetically attractable material.

10. The magnetic flux measuring device according to claim 1, characterized in that a tool slot is further provided on the panel (1), a magnet picking and placing tool (31) is accommodated in the tool slot, the magnet picking and placing tool (31) is fixed by a pressing block (32) connected with the panel (1), and the pressing block (32) is connected with the panel (1) through a hand screw (33).

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