CN202126494U - Performance measurement device of permanent magnet material - Google Patents
Performance measurement device of permanent magnet material Download PDFInfo
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- CN202126494U CN202126494U CN201120154520XU CN201120154520U CN202126494U CN 202126494 U CN202126494 U CN 202126494U CN 201120154520X U CN201120154520X U CN 201120154520XU CN 201120154520 U CN201120154520 U CN 201120154520U CN 202126494 U CN202126494 U CN 202126494U
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- magnetic pole
- performance measurement
- magnetic material
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Abstract
The utility model discloses a performance measurement device of a permanent magnet material. The device consists of a magnetization detection device and a data processing system, wherein the data processing system consists of a program control device; the magnetization detection device consists of an adjusting bolt, a magnetic pole, a magnet yoke, an excitation coil, an H exploring coil, a B exploring coil and an automatic magnetism adjusting device; the excitation coil is fixed in the magnet yoke; the magnetic pole is fixed on the excitation coil; an automatic reinforcing adjustment device is fixed on the adjusting bolt; the automatic reinforcing adjustment device and a test sample are respectively provided with a signal processor and a signal generator; and the program control device is a chip with an inbuilt program of data control. The performance measurement device in the technical scheme is accurate in measurement and convenient in operation.
Description
Technical field
The utility model relates to a kind of device for measuring properties of permanent magnetic material, and what be specifically related to is the device for measuring properties that a kind of measurement has permanent magnetic materials such as high coercive force and magnetic energy product.
Background technology
The test of the magnetic property of permanent magnetic material mainly is to measure residual magnetic flux density (Br), i.e. and the measurement of remanent magnetism rate, coercive force (bHc, jHc), maximum magnetic energy product parameters such as (BH).The main method of measuring at present the magnetic property of permanent magnetic material makes it become sample the effect of permanent-magnet powder through external force, and the permanent magnetism powder is contained in the pressing mold, and closed mould cavity is exerted pressure to material through stamping then; Release behind the pressurize certain hour; Obtain the magnet goods of definite shape after the demoulding, then sample is magnetized, the step that magnetizes is at first mould to be put into electromagnet two inter-stages; Mix up the distance of two inter-stages, make it just to take out till the mould; The power turn-on switch is opened magnet charger switch board power control switch, opens control knob, and magnet charger is started working; After treating several seconds, open and stop CS, take out mould, on press, suppress, then mould is relay back in the magnet charger; Open the demagnetization control knob, magnet charger demagnetizes, and treats to take out mould after several seconds, and magnetizing finishes.Using now maximum is exactly ballistic method, and said method can be measured coercive force and the lower permanent magnetic material of magnetic energy product, has very high coercive force and magnetic energy product for neodymium iron boron etc., and using with said method wastes time and energy, and the test result error is bigger.
The utility model content
The utility model provides a kind of measurement to have the device for measuring properties of permanent magnetic materials such as high coercive force and magnetic energy product according to above-mentioned deficiency.
For realizing above-mentioned purpose, the technical scheme of the utility model is a kind of device for measuring properties of permanent magnetic material, is made up of magnetization pick-up unit and data handling system, and described data handling system is to be made up of presetting apparatus; Described magnetization pick-up unit is to regulate bolt, magnetic pole, yoke, field coil, H detecting coil B detecting coil and magnetic self-checking device to form; Field coil is fixed in the yoke; Be fixed with magnetic pole on the field coil, reinforce regulating device automatically and be fixed on the adjusting bolt.
Be mounted with signal processor and signal generator respectively on described automatic reinforcing regulating device and the sample.
Described presetting apparatus is meant the chip of the program that is built-in with Data Control.
The beneficial effect of technique scheme is: be provided with presetting apparatus, be meant the program that is built-in with Data Control.Programmed control can substitute assembly routine complicated in the single-chip microcomputer, and control accurately; Especially be fit to measure the performance parameter of permanent magnetic material with high coercive force and magnetic energy product.
Description of drawings
Fig. 1 is the utility model embodiment one one-piece construction synoptic diagram.
Fig. 2 is the utility model embodiment one data handling system electric diagram.
Fig. 3 is the utility model embodiment two one-piece construction synoptic diagram.
Fig. 4 is the utility model embodiment two data handling system electric diagram.
Embodiment
Do bright specifically below in conjunction with accompanying drawing and embodiment to the utility model.
Embodiment one:
By illustrated in figures 1 and 2, the magnetizing assembly of the utility model is made up of yoke 3, cartridge 6 and magnetization winding 1.Yoke 3, cartridge 4, cartridge 8, magnetic field detectors 2 and sample 5 composition closed-loop paths, two pole-faces of cartridge 4 and cartridge 8 should be parallel and vertical with the direction in magnetic field.The position of magnetization winding 1 should be as far as possible near sample 5 and symmetrical; Its axis is consistent with cartridge 6 axis; H detecting coil 6 is wrapped on the sample 5 with B detecting coil 7 in the same way, is in series by two groups of positive and negative coilings of the identical number of turn, and magnetizing assembly should be able to produce and make sample be magnetized into saturated magnetizing field; But its value changes with the kind of permanent magnetic material, and relevant with the orientation of crystal.The selection of saturation magnetic field intensity Hmax is usually relevant with HCJ, i.e. Hmax=KHcj, and K is generally 3-5.
As shown in Figure 2, this practical information port data handling system is fixed in the electromagnetic generator 8 being wound with the sample of measuring coil; When magnetization current produced Sa Miao magnetizing field in electromagnet when, the magnetic flux through sample changed thereupon, according to the law of electromagnetic induction; The induced voltage of measuring in the coil is carried out integral and calculating through integral and calculating device 1; Obtain the voltage behind the integration, the voltage behind the integration through behind the NS scaling converter 2, directly is presented on the display 3.According to Hall effect, can pick up field signal through hall probe, after amplifier 6 is handled; Directly obtain the H value; Be presented on the display 5, the numerical value of display 3 and display 5 is sent in the computer 4, change the magnetization current value by different modes; Just can draw out the demagnetizing curve and the magnetic hysteresis loop of sample, these parameters just can be obtained parameters such as HCJ, remanent magnetism rate.
Embodiment two:
Like Fig. 3 and shown in Figure 4, the device for measuring properties of a kind of permanent magnetic material of the utility model is made up of magnetization pick-up unit and data handling system, and described data handling system is to be made up of presetting apparatus; Described magnetization pick-up unit is to regulate bolt 1, magnetic pole 3, yoke 4, field coil 5, H detecting coil 6, B detecting coil 7 and reinforce regulating device 2 compositions automatically; Field coil 5 is around framework 10 and be fixed in the yoke 4; Be fixed with magnetic pole on the field coil 5, magnetic self-checking device 2 is fixed on to be regulated on the bolt, and wherein H detecting coil 6 and B detecting coil 7 are on sample 8; H detecting coil 6 is around the outside of B detecting coil 7, formed by two groups of positive back winding coil strings of the identical number of turn.Be mounted with signal processor and signal generator 9 respectively on described automatic reinforcing regulating device 2 and the sample 8.In fixing sample 3, the signal generator 3 on the sample 3 sends the signal of fastening situation, and the signal processor of reinforcing regulating device 2 automatically receives signal and processing signals, controls the cooperation of bolt 1 and magnetic pole 3 automatically, makes to reach optimum duty.
As shown in Figure 4; The utility model data handling system is made up of power supply 17, control system 13, B integrator 15, H integrator 16, signal pickup assembly 14; Wherein power supply 17 provides power supply through A.C. contactor 18 to circuit, and field coil is directly through the power supply of 380V power supply, and the B detecting coil connects B integrator 15 and signal is passed to control system 13; Pulsed triggering circuit 11 is isolated forceful electric power lotus light current through photoelectricity coupled circuit 12; Come the silicon controlled in the gating pulse trigger circuit 11 to trigger by control system 13 outputs, cooperate with control system 13 through signal pickup assembly 14 and handle, and demonstration and printout test result.
Claims (3)
1. the device for measuring properties of a permanent magnetic material is made up of magnetization pick-up unit and data handling system, and it is characterized in that: described data handling system is to be made up of presetting apparatus; Described magnetization pick-up unit is to regulate bolt, magnetic pole, yoke, field coil, H detecting coil, B detecting coil and reinforce the regulating device composition automatically; Field coil is fixed in the yoke; Be fixed with magnetic pole on the field coil, reinforce regulating device automatically and be fixed on the adjusting bolt.
2. the device for measuring properties of a kind of permanent magnetic material according to claim 1 is characterized in that: be mounted with signal processor and signal generator respectively on described automatic reinforcing regulating device and the sample.
3. the device for measuring properties of a kind of permanent magnetic material according to claim 1, it is characterized in that: described presetting apparatus is meant the program that is built-in with Data Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120154520XU CN202126494U (en) | 2011-05-16 | 2011-05-16 | Performance measurement device of permanent magnet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120154520XU CN202126494U (en) | 2011-05-16 | 2011-05-16 | Performance measurement device of permanent magnet material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202126494U true CN202126494U (en) | 2012-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120154520XU Expired - Fee Related CN202126494U (en) | 2011-05-16 | 2011-05-16 | Performance measurement device of permanent magnet material |
Country Status (1)
| Country | Link |
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| CN (1) | CN202126494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901367A (en) * | 2014-03-28 | 2014-07-02 | 浙江省计量科学研究院 | Device for measuring magnetic property of magnetic material based on embedded measuring coils |
| CN113093072A (en) * | 2021-04-09 | 2021-07-09 | 中国计量大学 | Device and method for measuring magnetism of permanent magnet material at high temperature |
-
2011
- 2011-05-16 CN CN201120154520XU patent/CN202126494U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901367A (en) * | 2014-03-28 | 2014-07-02 | 浙江省计量科学研究院 | Device for measuring magnetic property of magnetic material based on embedded measuring coils |
| CN113093072A (en) * | 2021-04-09 | 2021-07-09 | 中国计量大学 | Device and method for measuring magnetism of permanent magnet material at high temperature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU SOUTHERN PERMANENT MAGNETS SCIENCE + TECHN Free format text: FORMER OWNER: ZHANG ZUOZHOU Effective date: 20120608 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120608 Address after: 221300 No. 220, youth East Road, Yunhe Town, Jiangsu, Pizhou Patentee after: Jiangsu Nanfang Permanent Magnetic Technology Co., Ltd. Address before: 221300 Chengxi street, canal town, Jiangsu, Pizhou Patentee before: Zhang Zuozhou |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20120516 |