CN218213394U - Magnetic flux detection device of magnetic element - Google Patents
Magnetic flux detection device of magnetic element Download PDFInfo
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- CN218213394U CN218213394U CN202222392287.XU CN202222392287U CN218213394U CN 218213394 U CN218213394 U CN 218213394U CN 202222392287 U CN202222392287 U CN 202222392287U CN 218213394 U CN218213394 U CN 218213394U
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Abstract
A magnetic flux detecting apparatus of a magnetic element, comprising: a base; the first coil and the second coil are Helmholtz coils, are detachably arranged on the end face of the base, and are vertically and oppositely arranged; and the rotating assembly is arranged between the first coil and the second coil and is used for clamping the magnetic element and driving the magnetic element to rotate. The utility model adopts the first coil and the second coil which are detachably connected, so that the Helmholtz coil matched with the magnetic element can be replaced before detection, thereby facilitating assembly and replacement and having better adaptability; set up rotatable magnetic element's rotating assembly simultaneously between first coil and second coil, realize the calculation of magnetic flux through the rotation, it is simple high-efficient, all can pass through automatic rotation control during the use, avoided the artifical inaccurate problem of measurement that waits the condition to lead to of taking.
Description
Technical Field
The utility model relates to a measurement technical field of magnetic element magnetic flux specifically is a magnetic element's magnetic flux detection device.
Background
With the development of scientific technology, the application field of the magnetic element is increasingly expanded. At the same time, the performance requirements of magnetic elements are increasing. In order to ensure the quality of the magnetic element, after the production of the magnetic element is completed, whether each important performance parameter of the magnetic element is in an acceptable range needs to be detected. Magnetic flux is one of important performance indexes of a magnetic element, and becomes one of the necessary items of the magnetic element.
At present, a helmholtz coil and a fluxmeter are generally adopted to measure the magnetic flux of a magnetic element at normal temperature, and the main process is as follows: firstly, the model of a Helmholtz coil is selected according to the specification of a magnetic element to be measured, the magnetic field area of the Helmholtz coil is determined by the model and the specification of the magnetic element, then the Helmholtz coil is connected with a fluxmeter, the magnetic element is placed in the Helmholtz coil, then the fluxmeter is cleared, then the magnetic element to be measured is moved from the Helmholtz coil to a position far away from the Helmholtz coil to a position outside the magnetic field area and is static, and the output value of the fluxmeter is read at the moment, namely the flux value of the magnetic element to be measured at normal temperature. The method for measuring the magnetic flux mainly utilizes the principle of a Helmholtz coil, when the magnetic element is far away from the Helmholtz coil, the magnetic element cuts the magnetic line of force of the Helmholtz coil to generate induced current, and the fluxmeter acquires the induced current to obtain the magnetic flux value output of the magnetic element. However, the above detection means has the following problems:
1. the magnetic flux value is influenced by the distance of the magnetic element far away from the Helmholtz coil, and a tester manually moves the magnetic element, so that the distance of the magnetic element far away from the Helmholtz coil cannot be guaranteed to be equal every time, thus the magnetic flux data of each magnetic element obtained by testing are more different, and the repeatability and the accuracy of the value are poorer;
2. the magnetic element with small volume is very inconvenient to take manually, and often generates certain displacement when taking, so that test deviation is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnetic flux detection device specifically is a magnetic element to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: a magnetic flux detecting apparatus of a magnetic element, comprising: a base; the device comprises a first coil and a second coil, wherein the first coil and the second coil are Helmholtz coils, the first coil and the second coil are detachably arranged on the end face of a base, and the first coil and the second coil are vertical and arranged oppositely; a rotating assembly disposed between the first coil and the second coil for clamping the magnetic element and driving it to rotate.
The rotating assembly comprises a rotating base and two first and second blocks which are oppositely arranged, at least one of the first and second blocks can be adjustably limited on the rotating base, and a clearance area is formed between the first and second blocks and used for accommodating a magnetic element to drive the magnetic element to be limited.
The first block and the second block are both adjustably disposed on the rotating base.
The heating device is arranged on the inner side surfaces opposite to the first block body and the second block body respectively, and the heating device is used for heating the magnetic element.
The heating element is electrically connected with the temperature controller.
Still including the wire rod, the wire rod sets firmly on the base to set in first coil and the second coil outside, be provided with many wires on the wire rod with the electricity even to the heating member, many the wiring end of wire is connected to the temperature controller.
According to the technical scheme, the Helmholtz coil matched with the magnetic element can be replaced before detection by adopting the first coil and the second coil which are detachably connected, so that the assembly and the replacement are convenient, and the adaptability is better; set up rotatable magnetic element's rotating assembly simultaneously between first coil and second coil, realize the calculation of magnetic flux through the rotation, it is simple high-efficient, all can pass through automatic rotation control during the use, avoided the artifical inaccurate problem of measurement that waits the condition to lead to of taking, effectively improved detection efficiency simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a local structure of the present invention.
In the figure: the device comprises a base 1, a first coil 2, a second coil 3, a first block 4, a second block 5, a connecting piece 6, a connecting terminal 7, a heating piece 8, a lead 9, a rotating seat 10, a lead rod 11, a temperature controller 12 and a control switch 13.
Detailed Description
To further clarify the objects, structures, features and functions of the present invention, a detailed description will be given below with reference to fig. 1-2 and the embodiments.
In the present disclosure, a magnetic flux detection device of a magnetic element is adopted, the magnetic flux detection device detects the magnetic element by using two helmholtz coils, the helmholtz coils are externally connected with a magnetic flux detector (not shown in the present disclosure), when the position of the magnetic element is changed, an induced current can be generated by cutting magnetic lines of force of the helmholtz coils, and the magnetic flux detector (which may be a fluxmeter generally) senses the current to obtain a magnetic flux value of the magnetic element and output and display the magnetic flux value. In this embodiment, the adopted magnetic flux detecting device specifically includes the following:
base 1, first coil 2, second coil 3 and rotating assembly, specifically, first coil 2 and second coil 3 are helmholtz coil, just first coil 2 and the equal detachable of second coil 3 install the terminal surface department at base 1, first coil 2 and the vertical and opposition setting of second coil 3. The rotating assembly is arranged between the first coil 2 and the second coil 3 for clamping the magnetic element and driving it in rotation. Furthermore, in order to detect different magnetic elements in a matching manner, the first coil 2 and the second coil 3 are respectively detachably mounted on the base 1, so that the matching size and the matching manner can be conveniently changed, meanwhile, in order to enable the Helmholtz coil to form effective magnetic lines, the first coil 2 and the second coil 3 are vertically arranged on the base in parallel and oppositely, and in order to achieve effective magnetic line cutting of the magnetic elements, the rotating assembly is arranged at a middle symmetrical position between the first coil 2 and the second coil 3;
the rotating assembly is mainly used for driving the magnetic part to rotate 180 degrees so as to cut magnetic lines, the bottom of the rotating assembly is provided with a rotating seat 10 and fixedly connected to the base 1, a motor (not shown in the figure) is arranged inside the rotating seat 10, and the output end of the motor extends to the outside to be directly or indirectly connected with the first block 4 and the second block 5 so as to drive the first block 4 and the second block 5 to rotate on a plane; it is important to point out that two oppositely arranged first block 4 and second block 5 are installed on the upper portion of the rotating base 10, and the two blocks are driven to load and unload the magnetic element by the relative or separated movement of the two blocks, generally speaking, the upper end face of the rotating base 10 can be guided in the direction of the first block 4 and second block 5 by arranging a sliding rail, etc., and meanwhile, the first block 4 and second block 5 can be penetrated with a connecting piece 6 to drive the first block 4 and second block 5 to abut against the rotating base 10 in a threaded manner, so that the positions of the first block 4 and second block 5 are limited, and the specific implementation manner is not limited herein. A control switch 13 is also installed on the base 1, and the control switch 13 is electrically connected to the motor inside the rotary base 10 to control the rotation thereof, so as to complete the cutting of the primary magnetic line of force of the magnetic element.
In another embodiment, based on the first embodiment described above, a heating element 8 is further included, the heating element 8 is respectively disposed on the opposite inner side surfaces of the first block 4 and the second block 5, and the heating element 8 is used for heating the magnetic element, where it should be noted that the heating element 8 may be made of a plurality of materials that can be heated, such as a graphene heating sheet, or other heating devices or materials, and when the magnetic element is disposed in the gap region between the first block 4 and the second block 5 and is clamped and limited, the magnetic element can be controlled at an artificially set heating temperature by heating the heating element 8, which is advantageous in that the detection accuracy of the magnetic flux can be further improved, i.e., the detection of the magnetic flux is controlled at the same set test temperature. In addition, a connecting terminal 7 is arranged on the first block 4 and the second block 5, one end of the connecting terminal is connected with a heating element 8, the other end of the connecting terminal is connected with a lead 9, the lead 9 is partially limited at a lead rod 11 and is connected to a temperature controller 12, and the temperature detected by the temperature controller 12 is controlled.
The detection steps comprise the following steps:
firstly, connecting a first coil 2 and a second coil 3 (namely, helmholtz coils) with a fluxmeter (not shown in the figure);
turning on a temperature controller, and setting a target temperature to be heated;
step three: placing a magnetic element to be detected in a gap between the first block 4 and the second block 5 (the magnetizing direction of the magnetic element to be detected needs to be ensured to be along the axial direction of the Helmholtz coil, the magnetic element is positioned in the middle of the first coil 2 and the second coil 3, and the front surface of the magnetic element faces the end surfaces of the first coil 2 and the second coil 3), and locking the relative positions of the first block 4 and the second block 5 through a connecting piece 6 so as to drive the magnetic element to be effectively limited;
step four: after the magnetic element is heated to the target temperature and kept stable, a control switch 13 located on one side of the base 1 is pressed, the control switch 13 is in control connection with the fluxmeter and the rotating seat 10, at the moment, the fluxmeter is cleared to zero, the magnetic element to be detected keeps static after rotating 180 degrees on the rotating seat 10, and at the moment, the front face of the magnetic element faces the end faces of the first coil 2 and the second coil 3;
step five: and reading an output value of the fluxmeter, wherein the output value is a magnetic flux value of the magnetic element to be measured at the target temperature.
It should be pointed out that the setting of heating member 8 can make magnetic element's test environment temperature remain artificial controllable throughout, avoids because the ambient temperature changes the detection data difference that leads to under the different test environment to the inaccurate problem of test data has been solved.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (6)
1. A magnetic flux detecting apparatus for a magnetic element, comprising:
a base;
the first coil and the second coil are Helmholtz coils, are detachably arranged on the end face of the base, and are vertically and oppositely arranged;
a rotating assembly disposed between the first coil and the second coil for clamping the magnetic element and driving it to rotate.
2. A magnetic flux detecting device of a magnetic member according to claim 1, wherein: the rotating assembly comprises a rotating base and two first and second blocks which are oppositely arranged, at least one of the first and second blocks can be adjustably limited on the rotating base, and a clearance area is formed between the first and second blocks and used for accommodating a magnetic element to drive the magnetic element to be limited.
3. A magnetic flux detecting device of a magnetic member according to claim 2, wherein: the first block and the second block are both adjustably disposed on the rotating base.
4. A magnetic flux detecting device of a magnetic member according to claim 2 or 3, wherein: the heating device is arranged on the inner side surfaces opposite to the first block body and the second block body respectively, and the heating device is used for heating the magnetic element.
5. The magnetic flux detecting device of a magnetic member according to claim 4, wherein: the heating element is electrically connected with the temperature controller.
6. The magnetic flux detecting device of a magnetic member according to claim 4, wherein: still including the lead wire pole, the lead wire pole sets firmly on the base to place first coil and the second coil outside in, be provided with many wires on the lead wire pole with the electricity even to heating member, many the wiring end of wire is connected to the temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222392287.XU CN218213394U (en) | 2022-09-05 | 2022-09-05 | Magnetic flux detection device of magnetic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222392287.XU CN218213394U (en) | 2022-09-05 | 2022-09-05 | Magnetic flux detection device of magnetic element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218213394U true CN218213394U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222392287.XU Active CN218213394U (en) | 2022-09-05 | 2022-09-05 | Magnetic flux detection device of magnetic element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218213394U (en) |
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2022
- 2022-09-05 CN CN202222392287.XU patent/CN218213394U/en active Active
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