CN217059744U - Detection device and detection system for strength of magnetic ring - Google Patents
Detection device and detection system for strength of magnetic ring Download PDFInfo
- Publication number
- CN217059744U CN217059744U CN202220521961.7U CN202220521961U CN217059744U CN 217059744 U CN217059744 U CN 217059744U CN 202220521961 U CN202220521961 U CN 202220521961U CN 217059744 U CN217059744 U CN 217059744U
- Authority
- CN
- China
- Prior art keywords
- magnetic ring
- fixture
- pressure tester
- lifting mechanism
- clamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring Magnetic Variables (AREA)
Abstract
The utility model discloses a detection device for magnetic ring strength, which comprises a combined clamp, a pressure tester and a test board, wherein the test board comprises a storage platform and a lifting mechanism, the lifting mechanism is connected with the storage platform, the pressure tester and the storage platform are arranged oppositely, and the lifting mechanism is used for driving the storage platform to move towards the direction close to or far away from the pressure tester; the modular fixture is located between the object placing table and the pressure tester and comprises a first fixture and a second fixture, temperature control heating rods are arranged in the first fixture and the second fixture, and a clamping portion used for containing a magnetic ring to be tested is formed between the first fixture and the second fixture. The utility model also discloses a detecting system of magnetic ring intensity. Adopt the utility model discloses a detection device and detecting system can detect the intensity of magnetic ring under the uniform temperature, simple structure, simple operation.
Description
Technical Field
The utility model relates to a detection tool technical field especially relates to a detection device and check out test set of magnetic ring intensity.
Background
The conventional inductor includes a coil and a magnetic body covering the coil, and is generally manufactured by placing the coil in a mold, filling the empty space inside and around the coil with metal soft magnetic powder, and press-molding. In the pressing process, in order to ensure the stability of the structure, the pressing pressure is usually higher and can reach 500MPa, 600MPa, 800MPa or even higher. However, such a high pressing pressure often damages the soft magnetic metal powder and the internal coil structure, which leads to problems such as overall deformation of the coil structure, further causes problems such as attenuation of initial voltage resistance of the coil, short circuit of the inductor, and the like, and reduces reliability of the inductor.
In the prior art, in order to ensure the good product quality of the annular magnetic core, before the inductor is prepared, the annular magnetic core obtained after the magnetic material for preparing the inductor is pressed needs to be pressed to detect the strength of the annular magnetic core. The conventional detection method is as follows, when the pressing device presses the ring-shaped magnetic core, if the ring-shaped magnetic core is damaged, for example: if the magnetic core is broken, the magnetic core is unqualified, otherwise, if the annular magnetic core is not damaged, the magnetic core is qualified. However, the conventional pressing device for detection has a complex structure and is inconvenient to detect.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem that will solve lies in, provides a detection device and detecting system of magnetic ring intensity, can detect the load that the magnetic ring can bear under the uniform temperature to simple structure, simple operation.
In order to solve the technical problem, a first aspect of the present invention provides a detecting device for strength of a magnetic ring, the detecting device includes a combined clamp, a pressure tester and a test board, the test board includes a placement platform and a lifting mechanism, the lifting mechanism is connected to the placement platform, the pressure tester and the placement platform are arranged oppositely, and the lifting mechanism is used for driving the placement platform to move towards a direction close to or away from the pressure tester; the modular fixture is located between the object placing table and the pressure tester and comprises a first fixture and a second fixture, temperature control heating rods are arranged in the first fixture and the second fixture, and a clamping portion used for containing a magnetic ring to be tested is formed between the first fixture and the second fixture.
In a feasible implementation manner, the first clamp and the second clamp are made of metal, mounting holes are formed in the first clamp and the second clamp, and the temperature control heating rod is placed in the first clamp and the second clamp through the mounting holes.
In a possible implementation manner, the first clamp and the second clamp are made of iron, and the first clamp and the second clamp are rectangular solids.
In a possible implementation manner, the horizontal plane of the test platform is perpendicular to the plane of the magnetic ring along the diameter direction.
In one possible implementation, the width of the pressure head of the pressure tester is smaller than the thickness of the magnetic ring.
In a possible implementation manner, the test bench further comprises a heat insulation plate, and the heat insulation plate is located between the object placing bench and the lifting mechanism.
In a feasible implementation manner, when the lifting mechanism moves towards the direction close to the magnetic ring, the pressure tester detects that the load borne by the magnetic ring is gradually increased; when the lifting mechanism is far away from the magnetic ring, the pressure tester detects that the load borne by the magnetic ring is gradually reduced.
In one possible implementation, the heat insulation board is made of bakelite.
In one possible implementation, the first and second clamps are symmetrically placed on the stand.
Correspondingly, the second aspect of the present invention further provides a detecting device and a detecting system for detecting the strength of the magnetic ring, wherein the detecting system comprises the detecting device of the first aspect.
Implement the utility model discloses, following beneficial effect has:
the utility model provides a detection device for the strength of a magnetic ring, which comprises a combined clamp, a pressure tester and a test board, wherein the test board comprises a placing platform and a lifting mechanism, and the placing platform is driven by the lifting mechanism to move towards or away from the pressure tester, so that the load can be applied to or reduced by the magnetic ring; the modular fixture is located between the object placing table and the pressure tester, comprises a first fixture and a second fixture, and is used for heating the magnetic ring to be tested through arranging a temperature control heating rod in the first fixture and the second fixture so as to detect the strength of the magnetic ring to be tested at a certain temperature.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application and are not to be construed as limiting the application.
Fig. 1 is a schematic front view structure diagram of a detection device in an embodiment of the present invention;
fig. 2 is a schematic top view structure diagram of the detection device in the embodiment of the present invention.
Reference numerals in the drawings: 1-combined fixture, 2-pressure tester, 3-test bench, 4-magnetic ring, 11-first fixture, 12-second fixture, 10-temperature control heating rod, 13-mounting hole, 30-object placing bench, 31-lifting mechanism and 32-heat insulation board.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
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 this 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. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The conventional inductor includes a coil and a magnetic body covering the coil, and is generally manufactured by placing the coil in a mold, filling the empty space inside and around the coil with metal soft magnetic powder, and press-molding. In the pressing process, in order to ensure the stability of the structure, the pressing pressure is often larger and can reach 500MPa, 600MPa, 800MPa or even higher. In the prior art, in order to ensure the good product quality of the annular magnetic core, before the inductor is prepared, the annular magnetic core obtained after the magnetic material for preparing the inductor is pressed needs to be pressed to detect the strength of the annular magnetic core. The conventional detection method is as follows, when the pressing device presses the ring-shaped magnetic core, if the ring-shaped magnetic core is damaged, for example: if the magnetic core is broken, the magnetic core is unqualified, otherwise, if the annular magnetic core is not damaged, the magnetic core is qualified. However, the conventional pressing device for detection is complex in structure and inconvenient to detect. On the other hand, after the molded inductor is pressed, resin is cured in a certain temperature range in an oven, and the magnetic material is subjected to treatment at different temperatures in the curing process, so that the magnetic material has the characteristic of strength reduction, and meanwhile, shrinkage stress is generated in the curing process of the resin, so that the magnetic material needs to meet certain strength in the temperature range, and cracks caused by expansion of the shrinkage stress can be avoided.
In order to solve the above mentioned need to press the ring-shaped magnetic core obtained after the magnetic material for preparing the inductance is pressed under different temperatures to detect the strength thereof, the utility model provides a detection device for the strength of a magnetic ring, as shown in figure 1, the detection device comprises a combined clamp 1, a pressure tester 2 and a test bench 3, the test bench 3 comprises a placing table 30 and a lifting mechanism 31, the lifting mechanism 31 is connected to the placing table 30, the pressure tester 2 and the placing table 30 are arranged oppositely, the lifting mechanism 31 is used for driving the placing table 30 to move towards the direction close to or far away from the pressure tester 2; modular fixture 1 is located and puts between thing platform 30 and the pressure tester 2, and modular fixture 1 includes first anchor clamps 11 and second anchor clamps 12, is provided with control by temperature change heating rod 10 in first anchor clamps 11 and the second anchor clamps 12, forms the clamping part that is used for holding magnetic ring 4 that awaits measuring between first anchor clamps 11 and the second anchor clamps 12.
In a possible implementation manner, the first fixture 11 and the second fixture 12 are made of metal, mounting holes 13 are formed in the first fixture 11 and the second fixture 12, and the temperature-controlled heating rod 10 is placed in the first fixture 11 and the second fixture 12 through the mounting holes 13. Further, the first jig 11 and the second jig 12 are made of iron, and the first jig 11 and the second jig 12 are rectangular parallelepiped in shape. As shown in fig. 2, the first jig 11 and the second jig 12 are symmetrically placed on the placement table 30 with the magnetic ring 4 to be measured as a center. And a mounting hole 13 is opened at the center position inside the first clamp 11 and the second clamp 12 for placing the temperature control heating rod 10. The temperature control heating rods 10 are symmetrically arranged in the combined clamp 1, so that the magnetic ring 4 to be measured is heated more uniformly.
The test bench 3 further comprises a heat insulation plate 32, and the heat insulation plate 32 is positioned between the object placing bench 30 and the lifting mechanism 31. The insulation board 32 is made of bakelite. In the process of testing the strength of the magnetic ring 4, the combined clamp 10 is heated by the temperature control heating rod 10, meanwhile, the combined clamp 1 is made of metal, so that heat conduction can be carried out, and the first clamp 11 and the second clamp 12 are symmetrically arranged on the object placing table 30 by taking the magnetic ring 4 to be tested as the center, so that the temperature control heating rod 10 can uniformly heat the magnetic ring 4 to be tested by the combined clamp 1. On the other hand, in order to prevent the heat generated from the thermo-controlled heating rod 10 from damaging the elevating mechanism 31, a thermal shield 32 is added between the placing table 30 and the elevating mechanism 31 to further maintain the damage of the elevating mechanism 31 by heat conduction. The temperature range regulated by the temperature control heating rod 10 is room temperature to 200 ℃, the temperature range is the temperature range in which resin curing is carried out in an oven after the molded inductor is pressed, and the magnetic ring qualified in strength test is carried out in the temperature range, so that the good performance of the magnetic ring in the subsequent inductor preparation can be better ensured.
As shown in fig. 1, the horizontal plane of the test table 3 is perpendicular to the plane of the magnetic ring 4 along the diameter direction. The width of the pressure head of the pressure tester 2 is less than the thickness of the magnetic ring 4. In the strength detection process, when the lifting mechanism 31 moves towards the direction close to the magnetic ring 4, the process of applying acting force to the magnetic ring 4 is performed, and the pressure tester 2 detects that the load borne by the magnetic ring 4 is gradually increased; after the magnetic ring 4 is broken, the lifting mechanism 31 is moved away from the magnetic ring 4, and the pressure tester 2 detects that the load borne by the magnetic ring 4 is gradually reduced so as to enable the pressure head to return to perform the next test.
The utility model provides a detection device for the strength of a magnetic ring, which comprises a combined clamp 1, a pressure tester 2 and a test board 3, wherein the test board 3 comprises a placing platform 30 and a lifting mechanism 31, the placing platform 30 is driven by the lifting mechanism 31 to move towards or away from the pressure tester 2, so that the load can be applied to or reduced from the magnetic ring 4; modular fixture 1 is located and puts between thing platform 30 and the pressure tester 2, and modular fixture 1 includes first anchor clamps 11 and second anchor clamps 12, and through set up control by temperature change heating rod 10 in first anchor clamps 11 and second anchor clamps 12, thereby heats the intensity that can detect the magnetic ring that awaits measuring under the uniform temperature to the magnetic ring 4 that awaits measuring. The utility model also provides a detecting system including above-mentioned magnetic ring intensity detection device, simple structure, the simple operation detects comparatively accurately to the improvement is used for preparing into the yields quality of the magnetic ring of inductance.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A detection device for the strength of a magnetic ring is characterized by comprising a combined clamp, a pressure tester and a test board,
the test bench comprises a storage table and a lifting mechanism, the lifting mechanism is connected to the storage table, the pressure tester is arranged opposite to the storage table, and the lifting mechanism is used for driving the storage table to move towards the direction close to or away from the pressure tester;
the modular fixture is located between the object placing table and the pressure tester and comprises a first fixture and a second fixture, temperature control heating rods are arranged in the first fixture and the second fixture, and a clamping part used for containing a magnetic ring to be tested is formed between the first fixture and the second fixture.
2. The detecting device according to claim 1, wherein the first and second clamps are made of metal, and mounting holes are formed in the first and second clamps, and the temperature-controlled heating rod is placed in the first and second clamps through the mounting holes.
3. The detection device according to claim 2, wherein the first clamp and the second clamp are both made of iron, and the first clamp and the second clamp are rectangular parallelepipeds.
4. The inspection device as claimed in claim 1, wherein the horizontal plane of the test station is perpendicular to the plane of the magnetic ring in the diametrical direction.
5. The detecting device for detecting the rotation of a motor rotor as claimed in claim 1, wherein the width of an indenter of the pressure tester is smaller than the thickness of the magnetic ring.
6. The inspection apparatus of claim 1, wherein the test station further comprises a heat shield positioned between the placement station and the lift mechanism.
7. The detecting device for detecting the rotation of the magnetic ring as claimed in claim 1, wherein when the lifting mechanism moves towards the direction of the magnetic ring, the pressure tester detects the gradual increase of the load carried by the magnetic ring;
when the lifting mechanism is far away from the magnetic ring, the pressure tester detects that the load borne by the magnetic ring is gradually reduced.
8. The detecting device for detecting the rotation of a motor rotor according to the claim 6, wherein the material of the heat-insulating plate is bakelite.
9. The inspection device of claim 8, wherein the first and second fixtures are symmetrically positioned on the stage.
10. A system for detecting the strength of a magnetic ring, comprising the detecting device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220521961.7U CN217059744U (en) | 2022-03-10 | 2022-03-10 | Detection device and detection system for strength of magnetic ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220521961.7U CN217059744U (en) | 2022-03-10 | 2022-03-10 | Detection device and detection system for strength of magnetic ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217059744U true CN217059744U (en) | 2022-07-26 |
Family
ID=82489828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220521961.7U Active CN217059744U (en) | 2022-03-10 | 2022-03-10 | Detection device and detection system for strength of magnetic ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217059744U (en) |
-
2022
- 2022-03-10 CN CN202220521961.7U patent/CN217059744U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105738680B (en) | The anisotropic test device of high-temperature superconductor band and test method under a kind of pulling force | |
| CN101276667B (en) | Method and apparatus for stew demagnetizing sintered Nd iron boron permanent magnet | |
| CN107421807B (en) | Compression clamp and method for measuring high-temperature compression yield strength of small-size plastic material | |
| CN217059744U (en) | Detection device and detection system for strength of magnetic ring | |
| CN107421803B (en) | Aluminum alloy compression deformation device with controllable temperature and strain rate and testing method | |
| CN109696583B (en) | Silicon nitride fiber sample for dielectric property test, sample preparation method and test method | |
| KR20210008032A (en) | Induction heating system and method of self-adhesive coated silicon steel core | |
| CN111487515B (en) | Static characteristic measurement system of crimping type power device | |
| CN109791830B (en) | Transfer molding inductance element and manufacturing method thereof | |
| CN209104991U (en) | A kind of assembly device of rotor axis of electric | |
| JP2008114393A (en) | Resin sealing method and motor | |
| CN113740238A (en) | Method for detecting uneven aging of thermosetting insulating material | |
| CN111289357B (en) | Clamp device for vacuum high-temperature indentation creep test | |
| CN108762328B (en) | High-temperature superconducting strip welding pressure control and performance testing device | |
| CN207540886U (en) | A kind of stator core welds tensile strength test device | |
| CN209182380U (en) | Polypropylene film flashover voltage measuring device under a kind of temperature gradient | |
| CN216645658U (en) | Ultrathin glass stress test fixture | |
| CN111141189A (en) | Soft magnetic ferrite magnetic core verifying attachment | |
| CN108871902B (en) | Metallographic sample preparation method and device | |
| CN209247960U (en) | A kind of device testing apparatus | |
| CN112179758B (en) | Mechanical property testing device | |
| CN111638477B (en) | Method for nondestructive testing of sheet metal magnetic powder magnetic permeability | |
| CN220064271U (en) | Test equipment and withstand voltage test jig thereof | |
| CN217007504U (en) | Resistance performance testing device | |
| CN110376237B (en) | Silicon steel single-sheet coating sample sintering experimental device capable of controlling tension and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |