CN2641781Y - Silicon steel core interval structure - Google Patents
Silicon steel core interval structure Download PDFInfo
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- CN2641781Y CN2641781Y CN 03232559 CN03232559U CN2641781Y CN 2641781 Y CN2641781 Y CN 2641781Y CN 03232559 CN03232559 CN 03232559 CN 03232559 U CN03232559 U CN 03232559U CN 2641781 Y CN2641781 Y CN 2641781Y
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- silicon steel
- steel core
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- throughput
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Abstract
The utility model relates to a silicon steel core interval constitution comprising a first silicon steel core and a second silicon steel core. Each silicon steel core provides with a magnetic field circulating component. An interval sheet copper is arranged between the magnetic field circulating component of the first silicon steel core and the magnetic field circulating component of the second silicon steel core. A setting piece is also arranged between both sides of the interval sheet copper and the magnetic field circulating components. The utility model overcomes problems of easy saturation of the magnetic core in the prior silicon steel core and being not able to pass the security check when overloading, thereby conveniently controlling and adjusting the electrical inductance amount and efficiently improving the saturation state of the magnetic core, and meeting different security requirements, at the same time, and facilitating the production and reducing the cost.
Description
Technical field
The utility model relates to a kind of silicon steel core, and particularly a kind of silicon steel core that improves inductance value is constructed at interval.
Background technology
Present transformer miscellaneous or choking winding are widely used in the electric equipment products of various difference in functionalitys, are playing the part of very important role at the power unit of electric equipment products.Transformer or choking winding can improve rate of energy, and the power supply that reduces electric power system disturbs, and except increasing electric equipment products the life-span, also can reach the purpose of environmental protection.Therefore transformer or choking winding become one of spare part indispensable and easy to use in the electric equipment products.
The general transformer or the silicon steel core of choking winding adopt first and second silicon steel core of E, I font body made, this first and second silicon steel core is when winding, its magnetic field throughput forms a corresponding winding form, dispose a spacer shims with insulation characterisitic between its central relatively magnetic field throughput, the thickness of regulating this spacer shims can be adjusted the gap of the magnetic field throughput of first and second silicon steel core both wings.Because the inductance value size of the characteristic decision transformer of the size in this gap and central distance piece or choking winding output, little or at interval during the property difference in the gap, the inductance value that forms is big relatively, make choking winding when hanging down load, still have enough inductance values, but when the power of load is higher, easily cause magnetic core saturated; If the gap is big or property is good at interval, the inductance value that forms is little relatively, though be difficult for saturatedly when high capacity, does not reach the inductance value of demand when low load, need increase around the copper cash number of turns again or increases silicon steel sheet to improve inductance value.
The material of the distance piece that disposes between first and second silicon steel core of above-mentioned transformer or choking winding is generally paper or plastic cement, this mainly is because the thickness of paper or plastic cement is adjusted easily, thereby can adjust gap and central authorities' interval property of both wings by regulating the distance piece that folder is established between the throughput of central magnetic field.Yet paper or plastic cement all can be penetrated by the magnetic line of force easily, cause the distance piece of central magnetic field throughput to perform practically no function, and can only utilize the interval of both wings magnetic field throughput to adjust inductance value, so effect is bad.
In addition, when safety detects, usually all there are certain upper limit value (deciding) and lower limit (to require minimum need to reach 75W at present on the demand power that these electric equipment products set, then need reach 50W by 2004), and made transformer of the silicon steel sheet group in gap such as above-mentioned or choking winding are for reaching the lower limit requirement, need to improve its inductance value, the gap of silicon steel core magnetic field throughput must reduce relatively, make and to be in high load condition following time when electric equipment products, the magnetic core of its transformer or choking winding is very easily saturated, makes this product can't detect by safety when heavy duty.If need to detect by safety, can only increase around the copper cash number of turns again or increase silicon steel sheet to increase inductance value, cause difficulty and cost in the making to increase thus.
The utility model content
The purpose of this utility model is to provide a kind of silicon steel core to construct at interval, and to solve above-mentioned deficiency of the prior art, this silicon steel core is constructed the size that can control and adjust its inductance value easily at interval, improves the magnetic core saturation condition.
For achieving the above object, the utility model provides a kind of silicon steel core to construct at interval, comprise first silicon steel core and second silicon steel core, described each silicon steel core is equipped with the magnetic field throughput, it is characterized in that being provided with copper sheet at interval between the magnetic field throughput of the magnetic field throughput of described first silicon steel core and second silicon steel core.
The magnetic field throughput of described first silicon steel core comprises central magnetic field throughput and both wings magnetic field throughput.
Described interval copper sheet is arranged between the magnetic field throughput of the central magnetic field throughput of first silicon steel core and second silicon steel core, and the width of described interval copper sheet equals the width of first silicon steel core central authorities magnetic field throughput.
Described interval copper sheet is arranged between the magnetic field throughput of the both wings magnetic field throughput of first silicon steel core and second silicon steel core.
Be provided with trimmer between the central magnetic field throughput of the copper sheet both sides, described interval and first silicon steel core and the magnetic field throughput of second silicon steel core, the gap that forms between the magnetic field throughput of the first silicon steel core both wings magnetic field throughput and second silicon steel core can utilize the thickness of trimmer to adjust.
Be provided with trimmer between described interval copper sheet and described magnetic field throughput.
Described trimmer is a plastic material.
The shape of described first, second silicon steel core can be U font, E font or I font.
Being shaped as of described first, second silicon steel core is identical or different.
Its inductance value size can be controlled and adjust to the utility model easily by copper sheet and trimmer at interval are set between silicon steel core, can effectively improve the magnetic core saturation condition, and make it satisfy different safety demands.This silicon steel core is constructed at interval and is easy to make simultaneously, reduces cost.
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Description of drawings
Fig. 1 is a STRUCTURE DECOMPOSITION schematic diagram of the present utility model.
Fig. 2 is Fig. 1 front view of the present utility model.
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model first embodiment.
Fig. 4 is the front view of Fig. 3 the utility model first embodiment.
Fig. 5 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model second embodiment.
Fig. 6 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model the 3rd embodiment.
Fig. 7 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model the 4th embodiment.
Embodiment
As shown in Figure 1, the utility model silicon steel core is constructed the interval copper sheet 30 that comprises first, second silicon steel core 10,20 and tool shielding at interval.Wherein first silicon steel core 10 is an E font silicon steel core, comprises central magnetic field throughput 11 and both wings magnetic field throughput 12; 20 of second silicon steel cores are I font silicon steel core, comprise magnetic field throughput 21.The length of described magnetic field throughput 11,12,21, width can be identical or inequality.The magnetic field throughput 11,12,21 of first, second silicon steel core 10,20 can form a corresponding connection form as shown in Figure 2, wherein at interval between the magnetic field throughput 21 of the copper sheet 30 central magnetic field throughput 11 that is arranged at first silicon steel core 10 and second silicon steel core 20, the width of this interval copper sheet 30 is corresponding to the width of first silicon steel core, 10 central magnetic field throughput 11.
To be the paramagnetic material that utilizes low magnetic resistance realize the reflection and the guiding function of the magnetic line of force electromagnetic shielding.Copper has good paramagnetism, and electromagnetic wave shielding theory according to metal material, metal material is electromagnetic reflection loss, absorption of electromagnetic wave loss and the electromagnetic wave loss three sum in shielding material to electromagnetic effectiveness, thereby the effectiveness of copper is splendid.The characteristic that the utility model is lower by the copper magnetic resistance, effectiveness is splendid, at its 10,20 of first, second silicon steel core copper sheet 30 at interval is set, the path of passing through of these interval copper sheet 30 bootable magnetic lines of force, effectively intercept penetrating of the magnetic line of force, reduce magnetic flux density relatively by interval copper sheet 30, change the magnetic resistance size in the field circuit, thereby reach the purpose of control inductance value, make that utilizing the utility model silicon steel core to construct made transformer or choking winding at interval need satisfy simultaneously the safety lower limit again applicable to high power and detect the electric equipment products that require.
Simultaneously the utility model also can be provided with trimmer adjusting the size of its outputting inductance amount between the throughput of the corresponding magnetic field with it of interval copper sheet 30, thereby satisfies different safety demands, to be applicable to the electric equipment products of different safety demands.
The utility model first embodiment is shown in Fig. 3,4, be provided with trimmer 31 between its copper sheet 30 both sides, interval and magnetic field throughput, this trimmer 31 can be plastic cement material, so that this trimmer 31 engages and trimmer 31 and first, second silicon steel core 10,20 windings with interval copper sheet 30.Adjust controllable thickness system first silicon steel core, the 10 both wings magnetic field throughput 12 of trimmer 31 and the gap length of second silicon steel core, 20 magnetic field throughput 21, not only can utilize the interval copper sheet 30 guiding magnetic lines of force of central magnetic field throughput 11 configurations thus, reduce magnetic flux density by interval copper sheet 30, and can adjust the gap of the magnetic field throughput 21 of first silicon steel core, the 10 both wings magnetic field throughput 12 and second silicon steel core 20 by the thickness of adjusting trimmer 31, with adjustment outputting inductance amount size, thereby satisfy different safety demands.
Figure 5 shows that the utility model second embodiment, is that first, second silicon steel core 10a, 20a are made identical shaped U font, and copper sheet is arranged between the corresponding both wings of first, second silicon steel core magnetic field throughput 12a, 21a at interval.Figure 6 shows that the utility model the 3rd embodiment, be that first, second silicon steel core 10b, 20b are made identical shaped E font, length and the both wings magnetic field throughput 12b of the central magnetic field throughput 11b of first, second silicon steel core 10b, the 20b of this E font are not isometric, and copper sheet 30 is arranged between the corresponding central magnetic field throughput 11b of first, second silicon steel core, 21b at interval.Only need make among 10a, the 20a arbitrary getting final product among arbitrary or 10b, the 20b during manufacturing, so make manufacturing simpler, cost is reduced.
As shown in Figure 7, the first silicon steel core 10c of the utility model the 3rd embodiment is the U font, and with the second silicon steel core 20c winding of I font, at interval copper sheet 30 is arranged between the magnetic field throughput 21c of the both wings magnetic field throughput 12c of first silicon steel core and second silicon steel core.
Below with interval of the present utility model copper sheet, at interval copper sheet adds trimmer and the comparison of traditional plastic cement distance piece is better than traditional plastic cement distance piece so that interval of the present utility model copper sheet to be described.
(1) test specification
Silicon steel sheet weight: 134g * 39 magnetic circuit sectional area a: 194mm
2
Line footpath: the 0.6 number of turns: 502TS
D.C. resistance: 2.49
(2) tester
Automatic Component Analyzer Zentech：3305
Bias Current Source Zentech：1320-10A
(3) test condition: 60Hz/0.1V
(4) test specification:
1. current ramp (Harmonic) characteristic lower limit low-power (underloading value) test need meet the regulation of European Union's safety standard (Class D) 75W, and underloading power is high more good more.
2. current ramp (Harmonic) characteristic upper limit high power (heavy duty value) is high more good more, and heavily loaded power is high more good more.
(5) test result: (unit: W)
| The underloading value | Underloading power | The heavy duty value | Heavy duty power | |
| Copper sheet | 75 | 0.728 | 331 | 0.687 |
| Copper sheet adds trimmer | 75 | 0.726 | 346 | 0.664 |
| Sheet | 75 | 0.723 | 295 | 0.658 |
Can find out obviously that by above-mentioned experiment test result interval of the present utility model copper sheet and interval copper sheet add that the underloading value of trimmer not only can meet the safety standard min value 75W of European Union, and obviously are better than the plastic cement distance piece on performance number (being the bigger the better).
Claims (9)
1, a kind of silicon steel core is constructed at interval, comprise first silicon steel core (10) and second silicon steel core (20), described each silicon steel core (10,20) is equipped with magnetic field throughput (11,12,21), it is characterized in that being provided with copper sheet (30) at interval between the magnetic field throughput (21) of the magnetic field throughput (11,12) of described first silicon steel core (10) and second silicon steel core (20).
2, silicon steel core according to claim 1 is constructed at interval, it is characterized in that the magnetic field throughput (11,12) of described first silicon steel core (10) comprises central magnetic field throughput (11) and both wings magnetic field throughput (12).
3, silicon steel core according to claim 2 is constructed at interval, it is characterized in that described interval copper sheet (30) is arranged between the magnetic field throughput (21) of the central magnetic field throughput (11) of first silicon steel core (10) and second silicon steel core (20), the width of described interval copper sheet (30) equals the width of first silicon steel core (10) central magnetic field throughput (11).
4, silicon steel core according to claim 2 is constructed at interval, it is characterized in that described interval copper sheet (30) is arranged between the magnetic field throughput (21) of the both wings magnetic field throughput (12) of first silicon steel core (10) and second silicon steel core (20).
5, silicon steel core according to claim 3 is constructed at interval, it is characterized in that being provided with trimmer (31) between the magnetic field throughput (21) of the central magnetic field throughput (11) of copper sheet (30) both sides, described interval and first silicon steel core (10) and second silicon steel core (20), the gap that forms between the magnetic field throughput (21) of first silicon steel core (10) both wings magnetic field throughput (12) and second silicon steel core (20) can utilize the thickness of trimmer (31) to adjust.
6, construct at interval according to claim 1,2,3 or 4 described silicon steel cores, it is characterized in that being provided with trimmer (31) between described interval copper sheet (30) and described magnetic field throughput (11,12,21).
7, silicon steel core according to claim 6 is constructed at interval, it is characterized in that described trimmer (31) is a plastic material.
8, silicon steel core according to claim 1 is constructed at interval, it is characterized in that the shape of described first, second silicon steel core (10,20) can be U font, E font or I font.
9, construct at interval according to claim 1,2,3,4,5 or 8 described silicon steel cores, it is characterized in that being shaped as of described first, second silicon steel core is identical or different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03232559 CN2641781Y (en) | 2003-06-26 | 2003-06-26 | Silicon steel core interval structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03232559 CN2641781Y (en) | 2003-06-26 | 2003-06-26 | Silicon steel core interval structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2641781Y true CN2641781Y (en) | 2004-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03232559 Expired - Fee Related CN2641781Y (en) | 2003-06-26 | 2003-06-26 | Silicon steel core interval structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2641781Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104768696A (en) * | 2012-07-27 | 2015-07-08 | 伊利诺斯工具制品有限公司 | Inductor and system for welding for maintaining welding arcs |
| CN109155597A (en) * | 2016-04-13 | 2019-01-04 | 罗姆股份有限公司 | Ac power supply apparatus |
| CN112967857A (en) * | 2020-04-17 | 2021-06-15 | 北京中科三环高技术股份有限公司 | Permanent magnet device |
-
2003
- 2003-06-26 CN CN 03232559 patent/CN2641781Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104768696A (en) * | 2012-07-27 | 2015-07-08 | 伊利诺斯工具制品有限公司 | Inductor and system for welding for maintaining welding arcs |
| US9676053B2 (en) | 2012-07-27 | 2017-06-13 | Illinois Tool Works Inc. | Inductor and system for welding for maintaining welding arcs |
| US10919103B2 (en) | 2012-07-27 | 2021-02-16 | Illinois Tool Works Inc. | Inductor and system for welding for maintaining welding arcs |
| CN114360863A (en) * | 2012-07-27 | 2022-04-15 | 伊利诺斯工具制品有限公司 | Inductor and welding system and welding method using inductor for maintaining welding arc |
| CN109155597A (en) * | 2016-04-13 | 2019-01-04 | 罗姆股份有限公司 | Ac power supply apparatus |
| CN109155597B (en) * | 2016-04-13 | 2020-12-15 | 罗姆股份有限公司 | AC power supply device |
| US10886859B2 (en) | 2016-04-13 | 2021-01-05 | Rohm Co., Ltd. | Alternating-current power supply device with windings wound in different directions |
| CN112967857A (en) * | 2020-04-17 | 2021-06-15 | 北京中科三环高技术股份有限公司 | Permanent magnet device |
| CN112967857B (en) * | 2020-04-17 | 2023-12-15 | 北京中科三环高技术股份有限公司 | Permanent magnet device |
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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: RONGFENG ELECTRON CO., LTD. Free format text: FORMER OWNER: SIFENG ELECTRONICS CO., LTD. Effective date: 20050805 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20050805 Address after: No. 270, No. 18, No. three, deep North Road, deep pit Township, Taipei County, Taiwan Province, China 6 Patentee after: Rongfeng Electronic Co., Ltd. Address before: Floor 260, No. 3, 6 deep North Road, deep pit Township, Taipei County, Taiwan Patentee before: Sifeng Electronic Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: RIBAO ELECTRONIC CO. Free format text: FORMER OWNER: RONGFENG ELECTRON CO., LTD. Effective date: 20070511 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070511 Address after: Taiwan County, Taipei, China Patentee after: Ribao Electronic Co., Ltd. Address before: China Taiwan Taipei County deep North Township Road three sections 270, No. 6, building 18 Patentee before: Rongfeng Electronic Co., Ltd. |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |