CN104345287A - Soft magnetic circular product inductance test method - Google Patents
Soft magnetic circular product inductance test method Download PDFInfo
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- CN104345287A CN104345287A CN201310315323.5A CN201310315323A CN104345287A CN 104345287 A CN104345287 A CN 104345287A CN 201310315323 A CN201310315323 A CN 201310315323A CN 104345287 A CN104345287 A CN 104345287A
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Abstract
The invention provides a soft magnetic circular product inductance test method. The method comprises steps that a magnetic ring is firstly fixed, a first signal connection point of an upper tool and a second signal connection point of a lower tool are plugged in a hollow region of the magnetic ring, the first signal connection point and the second signal connection point are enabled to realize electric conduction, electric signal conduction is realized, the inductance value of the magnetic ring is detected, so mass-scale tests on magnetic rings are convenient, compared with a mode in the prior art requiring corresponding loops of winding for each product test and uncoiling operation after the end of the test, the soft magnetic circular product inductance test method improves production efficiency, avoids copper wire waste and greatly saves cost.
Description
Technical field
The present invention relates to a kind of method of inductance measurement, particularly relate to a kind of method of soft magnetism annular product inductance measurement.
Background technology
The method of testing of a kind of magnet ring used in the market, specific as follows, first a magnet ring is provided, described magnet ring is circular in what close, reoffers a wire, and wire (copper cash) is wrapped in the surface of described magnet ring, multiturn coil is formed on the surface of magnet ring, and then to wire energising test.Above-mentioned way, often tests a product and will carry out corresponding number of turns coiling, take out stitches again after testing, cannot automation mechanized operation be realized, waste copper cash greatly, cause inefficiency, when product quantity is more, even can not realize full inspection, often have defective products to flow out.
Summary of the invention
The object of the invention is to the defect overcoming prior art, provide a kind of efficiently, the method for soft magnetism annular product inductance measurement efficiently.
The present invention is achieved in that a kind of method of soft magnetism annular product inductance measurement, comprises the following steps:
(1), provide a magnet ring, described magnet ring has a region of hollow;
(2), a measurement jig is provided, it has tool on, once tool, and the holder be arranged between described upper tool and lower tool, multiple first signal contact of lower surface projection of described upper tool, the multiple secondary signal contact of upper surface projection of described lower tool, the corresponding secondary signal contact described in each of the first signal contact described in each;
(3), described magnet ring is fixed on described holder;
(4), described upper tool is driven to move downward, described lower tool moves upward, described first signal contact is made to enter the region of described magnet ring hollow, described secondary signal contact enters the region of described magnet ring hollow, and the first signal contact described in each and secondary signal contacts described in corresponding each, electric signal is connected by the first signal contact and described secondary signal contact;
(5), be separated described upper tool and described lower tool, and take out described magnet ring.
Further, described upper tool is promoted by one first cylinder, and described lower tool is promoted by one second cylinder.
Further, described measurement jig has a support, and described holder is arranged at described support, and described upper tool and lower tool are arranged at described support respectively, and can relatively described bracket slide.
Further, described first signal contact and described secondary signal contact are crisscross arranged.
Further, described first signal contact is contact pin, the downward recessed multiple shrinkage pool of upper surface of described secondary signal contact, the corresponding shrinkage pool described in each of contact pin described in each.
Further, when described first signal contact and described secondary signal contacts, form closed primary Ioops, and the quantity of described first signal contact is three.
Further, described first signal contact is in circular setting on described upper tool, and described secondary signal contact is circular setting on described lower tool.
Further, described upper tool comprises one first main part, and be arranged at one first shaft collar of described first main part front end, described first shaft collar gives prominence to the described first upper and lower surface of main part, multiple first lead-in wire is set in described first main part, arrange described first signal contact in described first shaft collar, the first lead-in wire correspondence described in each is also welded on the first signal contact described in each.
Further, described lower tool comprises one second main part, and be arranged at the second shaft collar of described second main part front end, described second shaft collar gives prominence to the described second upper and lower surface of main part, corresponding described first shaft collar of described second shaft collar, arrange multiple second lead-in wire in described second main part, arrange described secondary signal contact in described second shaft collar, the second lead-in wire correspondence described in each is also welded on secondary signal contact described in each.
Further, described measurement jig is arranged a digital electric bridge, described digital electric bridge is in order to show test value, and described digital electric bridge goes between with first respectively, second go between and be electrically connected.
The invention provides a kind of method of soft magnetism annular product inductance measurement, comprise the following steps: first fix magnet ring, again the first signal contact of upper tool and the secondary signal contact of upper tool are inserted in the region of magnet ring hollow, and the first signal contact and secondary signal contact are electrically conducted, make electric signal conducting, and then measure the inductance value of magnet ring, be convenient to test magnet ring on a large scale, corresponding number of turns coiling to be carried out relative to often test product in the past, the mode of taking out stitches again after testing, improve production efficiency, avoid the waste of copper cash, greatly save cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of prior art provided by the invention;
The stereographic map that Fig. 2 provides for the embodiment of the present invention;
The cut-open view that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 2 and Fig. 3, the embodiment of the present invention provides a kind of method of soft magnetism annular product inductance measurement, and it comprises magnet ring 4 and a measurement jig, and concrete using method refers to following explanation.
The first step, refers to Fig. 1, Fig. 2 and Fig. 3, provides a magnet ring 4, the ring-type that described magnet ring 4 is closed in, and hollow out in the middle part of it, namely described magnet ring has a region of hollow.
Second step, refers to Fig. 1, Fig. 2 and Fig. 3, provides a measurement jig, it has tool 1 on, once tool 2, and the holder 3 be arranged between described upper tool 1 and lower tool 2, described upper tool 1 is promoted by one first cylinder, and described lower tool 2 is promoted by one second cylinder.Described measurement jig also has a support 5, and described holder 3 is arranged at described support 5, and described upper tool 1 and lower tool 2 are arranged at described support 5 respectively, and can slide by relatively described support 5, so that the moving freely of described upper tool 1 and lower tool 2.
Refer to Fig. 1, Fig. 2 and Fig. 3, multiple first signal contact 13 of lower surface projection of described upper tool 1, the multiple secondary signal contact 23 of upper surface projection of described lower tool 2, the corresponding secondary signal contact 23 described in each of first signal contact 13 described in each, described first signal contact 13 is circular setting on described upper tool 1, described secondary signal contact 23 is circular setting on described lower tool 2, with the region of correspondence described magnet ring 4 hollow, be convenient to the region that described first signal contact 13 and described first signal contact 13 insert described magnet ring 4 hollow.Described first signal contact 13 is crisscross arranged with described secondary signal contact 23, and described first signal contact 13 be contact pin, the downward recessed multiple shrinkage pool of upper surface of described secondary signal contact 23, the shrinkage pool described in each of contact pin correspondence described in each.When described first signal contact 13 contacts with described secondary signal contact 23, form closed primary Ioops, and the quantity of described first signal contact 13 is three, the quantity of described secondary signal contact 23 is three.Certainly, the quantity of described first signal contact 13 and secondary signal contact 23 can not be limited, according to the actual needs, the quantity of described first signal contact 13 and secondary signal contact 23 should be selected.
Refer to Fig. 1, Fig. 2 and Fig. 3, described upper tool 1 comprises one first main part 11, and be arranged at one first shaft collar 12 of described first main part 11 front end, described first shaft collar 12 is given prominence on described first main part 11, lower surface, be convenient to dismounting and the maintenance of described first shaft collar 12, multiple first lead-in wire is set in described first main part 11, in described first shaft collar 12, described first signal contact 13 is set, first lead-in wire correspondence described in each is also welded on the first signal contact 13 described in each, described first lead-in wire is electrically conducted with described first signal contact 13, easy to replace and maintain.
Refer to Fig. 1, Fig. 2 and Fig. 3, described lower tool 2 comprises one second main part 21, and be arranged at the second shaft collar 22 of described second main part 21 front end, described second shaft collar 22 is given prominence on described second main part 21, lower surface, be convenient to dismounting and the maintenance of described second shaft collar 22, corresponding described first shaft collar 12 of described second shaft collar 22, multiple second lead-in wire is set in described second main part 21, in described second shaft collar 22, described secondary signal contact 23 is set, second lead-in wire correspondence described in each is also welded on secondary signal contact 23 described in each, described first lead-in wire is electrically conducted with described first signal contact 13, easy to replace and maintain.Described measurement jig is arranged a digital electric bridge, described digital electric bridge is in order to show test value, and described digital electric bridge goes between with first respectively, second go between and be electrically connected.
3rd step, refer to Fig. 1, Fig. 2 and Fig. 3, described magnet ring 4 is fixed on described holder 3, first signal contact 13 and secondary signal contact 23 described in the regional alignment making described magnet ring 4 hollow, be convenient to the region that described first signal contact 13 and secondary signal contact 23 enter hollow, prevent the first signal contact 13 and secondary signal contact 23 from clashing into described magnet ring 4, cause the first signal contact 13 and secondary signal contact 23 to damage, or magnet ring 4 is destroyed.
4th step, refer to Fig. 1, Fig. 2 and Fig. 3, described upper tool 1 is driven to move downward, described lower tool 2 moves upward, described first signal contact 13 is made to enter in described magnet ring 4, described secondary signal contact 23 enters in described magnet ring 4, and the first signal contact 13 described in each contacts with secondary signal contact 23 described in corresponding each, namely described first signal contact 13 is electrically conducted with described secondary signal contact 23, described contact pin is inserted in described shrinkage pool, also can prevent from described contact pin from producing when docking with described shrinkage pool to misplace, when ensureing that described first signal contact 13 is electrically conducted with described secondary signal contact 23, the good transmission of electric signal.
5th step, refer to Fig. 1, Fig. 2 and Fig. 3, be separated described upper tool 1 and described lower tool 2, and take out described magnet ring 4, because described first lead-in wire connects described first signal contact 13, described second lead-in wire connects described secondary signal contact 23, and described first signal contact 13 is connected to form loop with described second lead contact 23, therefore described first signal contact 13 and described second goes between when being connected, create a closed coil, the inductance value of soft magnetism ring 4 type product can be measured, again corresponding data are presented in digital electric bridge, read the numeral or signal that show in digital electric bridge, be convenient to judge whether the relevant design of magnet ring 4 meets the requirements.Finally drive described upper tool 1 to move upward again, described lower tool 2 moves downward, and described upper tool is separated with described lower tool 2, is taken out by described magnet ring 4 from described holder 3.
The automatic test mode of measurement jig of the present invention, achieve the quick test of described magnet ring 4, described first signal contact 13 and described secondary signal contact 23 adopt the mode of docking, be inserted in the region of described magnet ring 4 hollow, described first signal contact 13 and described secondary signal contact 23 form loop, make electric signal conducting, and then measure the inductance value of magnet ring 4, be convenient to test magnet ring 4 on a large scale, corresponding number of turns coiling to be carried out relative to often test product in the past, the mode of taking out stitches again after testing, improve production efficiency, avoid the waste of copper cash, greatly save cost.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a method for soft magnetism annular product inductance measurement, is characterized in that, comprise the following steps:
(1), provide a magnet ring, described magnet ring has a region of hollow;
(2), a measurement jig is provided, it has tool on, once tool, and the holder be arranged between described upper tool and lower tool, multiple first signal contact of lower surface projection of described upper tool, the multiple secondary signal contact of upper surface projection of described lower tool, the corresponding secondary signal contact described in each of the first signal contact described in each;
(3), described magnet ring is fixed on described holder;
(4), described upper tool is driven to move downward, described lower tool moves upward, described first signal contact is made to enter the region of described magnet ring hollow, described secondary signal contact enters the region of described magnet ring hollow, and the first signal contact described in each and secondary signal contacts described in corresponding each, electric signal is connected by the first signal contact and described secondary signal contact;
(5), be separated described upper tool and described lower tool, and take out described magnet ring.
2. the method for soft magnetism annular product inductance measurement as claimed in claim 1, it is characterized in that: described upper tool is promoted by one first cylinder, described lower tool is promoted by one second cylinder.
3. the method for soft magnetism annular product inductance measurement as claimed in claim 1, it is characterized in that: described measurement jig has a support, described holder is arranged at described support, and described upper tool and lower tool are arranged at described support respectively, and can relatively described bracket slide.
4. the method for soft magnetism annular product inductance measurement as claimed in claim 1, is characterized in that: described first signal contact and described secondary signal contact are crisscross arranged.
5. the method for soft magnetism annular product inductance measurement as claimed in claim 1, is characterized in that: described first signal contact is contact pin, the downward recessed multiple shrinkage pool of upper surface of described secondary signal contact, the corresponding shrinkage pool described in each of contact pin described in each.
6. the method for soft magnetism annular product inductance measurement as claimed in claim 5, is characterized in that: when described first signal contact and described secondary signal contacts, form closed primary Ioops, and the quantity of described first signal contact is three.
7. the method for soft magnetism annular product inductance measurement as claimed in claim 1, is characterized in that: described first signal contact is in circular setting on described upper tool, and described secondary signal contact is circular setting on described lower tool.
8. the method for soft magnetism annular product inductance measurement as claimed in claim 1, it is characterized in that: described upper tool comprises one first main part, and be arranged at one first shaft collar of described first main part front end, described first shaft collar gives prominence to the described first upper and lower surface of main part, multiple first lead-in wire is set in described first main part, arrange described first signal contact in described first shaft collar, the first lead-in wire correspondence described in each is also welded on the first signal contact described in each.
9. the method for soft magnetism annular product inductance measurement as claimed in claim 8, it is characterized in that: described lower tool comprises one second main part, and be arranged at the second shaft collar of described second main part front end, described second shaft collar gives prominence to the described second upper and lower surface of main part, corresponding described first shaft collar of described second shaft collar, multiple second lead-in wire is set in described second main part, arrange described secondary signal contact in described second shaft collar, the second lead-in wire correspondence described in each is also welded on secondary signal contact described in each.
10. the method for soft magnetism annular product inductance measurement as claimed in claim 8, it is characterized in that: described measurement jig is arranged a digital electric bridge, described digital electric bridge is in order to show test value, and described digital electric bridge goes between with first respectively, second go between and be electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310315323.5A CN104345287A (en) | 2013-07-24 | 2013-07-24 | Soft magnetic circular product inductance test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310315323.5A CN104345287A (en) | 2013-07-24 | 2013-07-24 | Soft magnetic circular product inductance test method |
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| CN104345287A true CN104345287A (en) | 2015-02-11 |
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| CN201310315323.5A Pending CN104345287A (en) | 2013-07-24 | 2013-07-24 | Soft magnetic circular product inductance test method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810431A (en) * | 2016-05-26 | 2016-07-27 | 贵阳顺络迅达电子有限公司 | Inductor detection device and control method for wire winders for inductors |
| CN108362948A (en) * | 2018-03-10 | 2018-08-03 | 葛理想 | Full-automatic LCR inductance measurements device and its test method |
| CN109342824A (en) * | 2018-10-15 | 2019-02-15 | 郑州市凯瑞德新材料科技有限公司 | A kind of multiturn iron inductance test fixture and system |
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| CN2479514Y (en) * | 2001-05-25 | 2002-02-27 | 柴国生 | Magnetic ring testing instrument |
| CN201689074U (en) * | 2010-03-25 | 2010-12-29 | 无锡斯贝尔磁性材料有限公司 | Magnet ring testing device |
| CN201828613U (en) * | 2010-09-08 | 2011-05-11 | 横店集团东磁股份有限公司 | Testing device for inductance of magnetic ring |
| CN202330680U (en) * | 2011-11-11 | 2012-07-11 | 麦格磁电科技（珠海）有限公司 | Annular magnetic core inductance separation tool |
| CN202903917U (en) * | 2012-10-11 | 2013-04-24 | 厦门赛特勒磁电有限公司 | Test tool for annular inductance |
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2013
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Patent Citations (5)
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| CN2479514Y (en) * | 2001-05-25 | 2002-02-27 | 柴国生 | Magnetic ring testing instrument |
| CN201689074U (en) * | 2010-03-25 | 2010-12-29 | 无锡斯贝尔磁性材料有限公司 | Magnet ring testing device |
| CN201828613U (en) * | 2010-09-08 | 2011-05-11 | 横店集团东磁股份有限公司 | Testing device for inductance of magnetic ring |
| CN202330680U (en) * | 2011-11-11 | 2012-07-11 | 麦格磁电科技（珠海）有限公司 | Annular magnetic core inductance separation tool |
| CN202903917U (en) * | 2012-10-11 | 2013-04-24 | 厦门赛特勒磁电有限公司 | Test tool for annular inductance |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810431A (en) * | 2016-05-26 | 2016-07-27 | 贵阳顺络迅达电子有限公司 | Inductor detection device and control method for wire winders for inductors |
| CN105810431B (en) * | 2016-05-26 | 2017-11-28 | 贵阳顺络迅达电子有限公司 | The inductance detection device and control method of a kind of inductor bobbin |
| CN108362948A (en) * | 2018-03-10 | 2018-08-03 | 葛理想 | Full-automatic LCR inductance measurements device and its test method |
| CN109342824A (en) * | 2018-10-15 | 2019-02-15 | 郑州市凯瑞德新材料科技有限公司 | A kind of multiturn iron inductance test fixture and system |
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Application publication date: 20150211 |