CN217385798U - Three-dimensional magnetic field measuring device - Google Patents

Abstract

The utility model relates to a three-dimensional magnetic field measuring device, which belongs to the field of magnetic field measurement and comprises a vertical single-line numerical control sliding table, a horizontal single-line numerical control sliding table, a detecting rod, an object stage, a manual sliding table and a base, wherein the middle part of the top surface of the base is provided with the manual sliding table which is fixed with the object stage, one side of the manual sliding table is provided with the horizontal single-line numerical control sliding table which is provided with the vertical single-line numerical control sliding table, and the vertical single-line numerical control sliding table is provided with the detecting rod; the lower extreme of probe rod is provided with the measuring module who is used for measured data, all be provided with the motion module that is used for the removal on horizontal single line numerical control slip table and the vertical single line numerical control slip table, the inside of base is provided with storage module, power module and controller, controller and measuring module, storage module and motion module communication connection. Compared with other magnetic field measuring instruments, the device has the advantages of small size, convenience in movement, low cost and high precision.

Description

Three-dimensional magnetic field measuring device

Technical Field

The utility model relates to a three-dimensional magnetic field measuring device belongs to the magnetic field and measures the field.

Background

Gaussmeters and flux machines are commonly used in the market to measure magnetic fields. Gauss meter disadvantage: point test, it is inaccurate to survey, different people measure differently, the value that different producer's gauss meters measured is different, the value that different measurements of same gauss meter probe are different, test data has very big divergence, the reason of production is the chip of gauss meter probe, the thickness of probe encapsulation, the position of chip, it is very difficult that the test gauss value is the same point test, the chip size is different, it is inhomogeneous to also have the magnet surface magnetism, gauss meter factory standard is calibrated in even magnetic field, therefore the value that the gauss meter measured is difficult to unify and compare. The magnetic flowmeter has the advantages that: the detection operation is convenient and fast, and the device is an ideal instrument for measuring the magnetic field and the magnetic flux. The overall average value of the magnet is measured, the overall performance of the magnet can be reflected, the value of magnetic flux can be completely compared and transmitted, and the magnetic flux can reflect the overall performance of the magnet, for example, the surface magnetism is high (a certain point is high, and cannot represent all), and the magnetic flux is not necessarily large; conversely, the magnetic flux is large, and the magnetic flux performance is certain to be good (the combination of all magnetic lines of force in the magnet body). The disadvantages of the magnetic flowmeter are that: for each magnet sample with different specifications, coils with different sizes must be manufactured, and strictly speaking, for very thin samples, the manufacturing difficulty of the detection coils is large, and the detection coils are complex and inefficient. More professional magnetic field measuring instruments are large in size and poor in portability.

Therefore the utility model discloses a brand-new design thinking adopts two dimension slip table control hall sensor to reach accurate position and measures, utilizes single chip microcomputer control slip table shift position and carries out magnetic field measurement, and the data of simultaneous measurement gained can be passed through the singlechip and transmitted back to the computer.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned weak point, provide a three-dimensional magnetic field measuring device, avoided the deviation that probably appears in the people's measurement process, utilize single chip microcomputer control slip table shift position and carry out magnetic field measurement, the data of simultaneous measurement gained can be through the singlechip transmission back computer, the processing of the later stage data of being convenient for.

According to the technical scheme provided by the utility model, three-dimensional magnetic field measuring device, including vertical single line numerical control slip table, horizontal single line numerical control slip table, feeler lever, objective table, manual formula slip table and base, the middle part of the top surface of base is provided with manual formula slip table, is fixed with the objective table on the manual formula slip table, one side of manual formula slip table is provided with horizontal single line numerical control slip table, is provided with the vertical single line numerical control slip table that moves along with it on horizontal single line numerical control slip table, the feeler lever that reciprocates is provided with to vertical single line numerical control slip table upper level;

the lower extreme of probe rod is provided with the measuring module who is used for measured data, all be provided with the motion module that is used for the removal on horizontal single line numerical control slip table and the vertical single line numerical control slip table, the inside of base is provided with storage module, power module and controller, measuring module, motion module, storage module and controller all with power module electric connection, controller and measuring module, storage module and motion module communication connection.

As a further improvement of the present invention, the measuring module includes three sensors, and the three sensors are fixed below the detecting rod in the space in a two-two perpendicular manner.

As a further improvement of the present invention, the sensor is a hall sensor.

As a further improvement of the utility model, the storage module is the pcb circuit board.

As a further improvement, the controller adopts an arduino single chip microcomputer.

As a further improvement, the motion module adopts a stepping motor.

As a further improvement of the utility model, the objective table is fixed on manual formula slip table placed in the middle.

As a further improvement of the present invention, the center line of the manual sliding table is collinear with the center line of the base.

The beneficial effects of the utility model reside in that:

compared with other magnetic field measuring instruments, the device has the advantages of small volume, convenience in movement, low cost and high precision.

Drawings

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

Fig. 2 is a sensor arrangement diagram inside the probe rod of the present invention.

FIG. 3 is a schematic diagram of a memory module, a power module, and a control.

Fig. 4 is a control schematic.

Description of the reference numerals: the device comprises a single-wire numerical control sliding table 1, a detection rod 2, a horizontal single-wire numerical control sliding table 3, an object to be detected 4, an object stage 5, a manual sliding table 6, a knob 7, a base 8, a motion module 9, a measurement module 21, a storage module 81, a power module 82, a controller 83 and a sensor 201.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

the utility model discloses a three-dimensional magnetic field measuring device, its structure mainly includes vertical single line numerical control slip table 1, horizontal single line numerical control slip table 3, feeler lever 2, objective table 5, manual slip table 6 and base 8, the middle part of the top surface of base 8 is provided with manual slip table 6, is fixed with objective table 5 on manual slip table 6, and the object 4 to be measured sets up on objective table 5, one side of manual slip table 6 is provided with horizontal single line numerical control slip table 3, and horizontal single line numerical control slip table 3 is perpendicular to manual slip table 6 horizontal direction's single line numerical control slip table and leaves 5mm clearance to put, is provided with vertical single line numerical control slip table 1 that can move along with it on horizontal single line numerical control slip table 3, vertical single line numerical control slip table 1 is last level be provided with the hold-in range 2 that can reciprocate, and the tip of base 8 is provided with knob 7, knob 7 passes through the manual formula slip table 6 and links to each other, for controlling the position movement of the manual slide table 6;

three-dimensional magnetic field measuring device's control system includes measuring module, control module, storage module, control module and power module, the lower extreme of feeler lever 2 is provided with measuring module 21 that is used for measured data, all be provided with the motion module 9 that is used for the removal on horizontal single line numerical control slip table 3 and the vertical single line numerical control slip table 1, the inside of base 8 is provided with storage module 81, power module 82 and controller 83, measuring module 21, motion module 9, storage module 81 and controller 83 all with power module 82 electric connection, controller 83 and measuring module 21, storage module 81 and motion module 9 communication connection.

The measuring module 21 comprises three sensors 201, and the three sensors 201 are fixed below the detecting rod 2 in a pairwise perpendicular manner in space.

The sensor 201 is a hall sensor.

The memory module 81 is a pcb.

The controller 83 is an arduino single-chip microcomputer.

The motion module 9 adopts a stepping motor.

The object table 5 is fixed centrally on a manual slide 6.

The centre line of the manual ramp 6 is co-linear with the centre line of the base 8.

The base 8 is made of an acrylic plate material, and a data line interface are further arranged on the side face of the base 8, so that data of the storage module can be connected and transmitted to external equipment.

The utility model discloses a working process does:

when the magnetic field of the object to be detected is measured, the object is placed in the center of the objective table, and the manual sliding table is adjusted to enable the center of the object to be detected to be aligned with the center of the initial position of the detection rod. After the data line is connected with a computer, measurement parameters (measurement range and scanning distance) which are measurement requirements are input into the serial port. The device can meet the requirements of one-dimensional measurement and two-dimensional measurement. One-dimensional measurement is to scan a line in the vertical direction or the horizontal direction of any point (the set parameter should avoid the collision between the probe rod and the measured object when the probe rod moves) in the sliding table stroke point by point at a set interval, so as to obtain the magnetic field size of each point on the measurement path. The two-dimensional measurement is performed by scanning point by point in a plane formed by the horizontal direction and the vertical direction.

Claims (8)

1. The three-dimensional magnetic field measuring device is characterized by comprising a vertical single-wire numerical control sliding table (1), a horizontal single-wire numerical control sliding table (3), a detecting rod (2), an object stage (5), a manual sliding table (6) and a base (8), wherein the manual sliding table (6) is arranged in the middle of the top surface of the base (8), the object stage (5) is fixed on the manual sliding table (6), the horizontal single-wire numerical control sliding table (3) is arranged on one side of the manual sliding table (6), the vertical single-wire numerical control sliding table (1) moving along with the horizontal single-wire numerical control sliding table (3) is arranged on the horizontal single-wire numerical control sliding table (3), and the detecting rod (2) moving up and down is horizontally arranged on the vertical single-wire numerical control sliding table (1);

the lower extreme of probe rod (2) is provided with measuring module (21) that is used for measured data, all be provided with motion module (9) that are used for the removal on horizontal single line numerical control slip table (3) and vertical single line numerical control slip table (1), the inside of base (8) is provided with storage module (81), power module (82) and controller (83), measuring module (21), motion module (9), storage module (81) and controller (83) all with power module (82) electric connection, controller (83) and measuring module (21), storage module (81) and motion module (9) communication connection.

2. The three-dimensional magnetic field measurement device according to claim 1, characterized in that the measurement module (21) comprises three sensors (201), the three sensors (201) being fixed in space below the probe rod (2) in a pairwise perpendicular manner.

3. The three-dimensional magnetic field measuring device according to claim 2, characterized in that the sensor (201) is a hall sensor.

4. The three-dimensional magnetic field measurement device according to claim 1, characterized in that the memory module (81) is a pcb circuit board.

5. The three-dimensional magnetic field measuring device according to claim 1, characterized in that the controller (83) employs an arduino single chip microcomputer.

6. The three-dimensional magnetic field measurement device according to claim 1, characterized in that the motion module (9) employs a stepper motor.

7. A three-dimensional magnetic field measuring device according to claim 1, characterized in that the object table (5) is centrally fixed on a manual slide (6).

8. A three-dimensional magnetic field measuring device according to claim 1, characterized in that the centre line of the manual slide (6) is collinear with the centre line of the base (8).

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