CN205069265U - Modular inductor - Google Patents
Modular inductor Download PDFInfo
- Publication number
- CN205069265U CN205069265U CN201520779540.4U CN201520779540U CN205069265U CN 205069265 U CN205069265 U CN 205069265U CN 201520779540 U CN201520779540 U CN 201520779540U CN 205069265 U CN205069265 U CN 205069265U
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- Prior art keywords
- magnet
- bobbin
- short
- long
- coil
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- 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.)
- Expired - Fee Related
Links
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 4
- 229910001289 Manganese-zinc ferrite Inorganic materials 0.000 claims description 4
- 229910001053 Nickel-zinc ferrite Inorganic materials 0.000 claims description 4
- JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 claims description 4
- 229910000889 permalloy Inorganic materials 0.000 claims description 4
- 238000005253 cladding Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000000696 magnetic material Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 2
- RFIJBZKUGCJPOE-UHFFFAOYSA-N [Fe].[Ni].[Zn] Chemical compound [Fe].[Ni].[Zn] RFIJBZKUGCJPOE-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- WJZHMLNIAZSFDO-UHFFFAOYSA-N manganese zinc Chemical compound [Mn].[Zn] WJZHMLNIAZSFDO-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- Coils Or Transformers For Communication (AREA)
Abstract
The utility model discloses a modular inductor, include: the bobbin that has well kenozooecium and surface, set up in in the well kenozooecium of bobbin and each other to drawing close long magnet and the short magnet that closes, around locating the coil of the surface of bobbin, and cladding the outer magnet of long magnet, short magnet, bobbin and coil. The utility model provides a thereby modular inductor supports when drawing close the long magnet that closes and short magnet and can avoid that the inductor only has single magnet among the prior art through setting up each other, and single magnet itself grinds the bad inductance value skew that causes of counterpointing of not good or single magnet and bobbin, and it is condemned expensive to reach single magnet and the outer magnet while.
Description
Technical field
The utility model relates to a kind of combined inductor, particularly a kind of inductor with combined magnet.
Background technology
Refer to Fig. 1 and Fig. 2, it is the assembling view of the inductor of existing E shape magnet, as shown in Figure 1, coil 12 is set around the outer surface 103 of bobbin 10, in the central projection 131 of two E shape magnets 13 is sheathed on by the hollow bulb 101 of bobbin 10, in this step, can conflict each other between two E shape magnets 13 and maybe can have small gap, carry out testing electrical property afterwards and determine whether to remove the partial-length of E shape magnet 13 according to electrical test results.But as shown in Figure 2, if the length that E shape magnet 13 is removed is too much, then the gap P between the E shape magnet 13 of the inductor combined will be excessive, causes electrical quality not good, thus cause the great number cost that described E shape magnet 13 is all scrapped.In addition, the part in E shape magnet 13 except central projection 131 also can hinder the single magnet removing part.
Refer to Fig. 3 and Fig. 4, it is the assembling view of the inductor of existing hood-shaped outer magnet 14 and single magnet 11, as shown in Figure 3, coil 12 is set around the outer surface 103 of bobbin 10, single magnet 11 is fixedly arranged in the hollow bulb 101 of bobbin 10, then carries out testing electrical property and determines whether to remove the partial-length of single magnet 11 according to electrical test results.After the partial-length removing single magnet 11, as shown in Figure 4, more hood-shaped outer magnet 14 is installed with coated single magnet 11, bobbin 10 and coil 12.But, if the length that single magnet 11 is removed too much causes the gap P ' between hood-shaped outer magnet 14 and single magnet 11 excessive, then will cause the high extra cost that bobbin 10, single magnet 11 and coil 12 are all scrapped.In addition, if when single magnet 11 sets firmly in bobbin 10 and bobbin 10 contraposition bad, also can cause the extra cost that bobbin 10, single magnet 11 and coil 12 are scrapped.
Refer to Fig. 5 and Fig. 6, it is the assembling view of the inductor of existing U-shaped outer magnet 14 ' and single magnet 11, as shown in Figure 5, first single magnet 11 is fixedly arranged in the hollow bulb 101 of bobbin 10, then carries out testing electrical property and determine whether to remove the partial-length of single magnet 11 and U-shaped outer magnet 14 ' according to electrical test results.Afterwards, as shown in Figure 6, two U-shaped outer magnets 14 ' are engaged, with coated single magnet 11, bobbin 10 and coil 12.But, if the length that single magnet 11 or U-shaped outer magnet 14 ' are removed too much causes the gap P ' between U-shaped outer magnet 14 ' and single magnet 11 or U-shaped outer magnet 14 ' gap P each other " excessive; or the length that is removed of single magnet 11 and U-shaped outer magnet 14 ' meets the inductance value of design but single magnet 11 contraposition in bobbin 10 is bad, then the extra cost will bobbin 10, single magnet 11 and coil 12 being caused to scrap.
Thus prior art need to improve.
Utility model content
In view of above-mentioned the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of combined inductor, by arranging long magnet and short magnet, and the precision adjustment done according to testing electrical property in length, thus can take out and remove the short magnet of partial-length, make combined inductor have better assembling yield, lower scrap cost and better manufacture convenience, greatly reduce production cost.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of combined inductor, it comprises:
Bobbin, has hollow bulb and outer surface;
Long magnet, is fixed in the hollow bulb of described bobbin;
Short magnet, is arranged in the hollow bulb of described bobbin, and with described long magnet against joint;
Coil, is set around the outer surface of described bobbin; And
Outer magnet, coated described long magnet, short magnet and be arranged with the bobbin of coil.
In described combined inductor, described long magnet, short magnet and described outer magnet are magnetic magnet.
In described combined inductor, described long magnet and described short magnet are silicon steel sheet magnet or permalloy magnet.
In described combined inductor, described short magnet and described outer magnet are nickel zinc-iron magnet or manganese-zinc ferrite magnet.
In described combined inductor, the shape of described long magnet and short magnet is cylinder or polygonal cylinder.
In described combined inductor, described outer magnet is made up of the U-shaped outer magnet that two are engaged with each other, or is a hood-shaped outer magnet.
Compared to prior art, the combined inductor that the utility model provides comprises bobbin, long magnet, short magnet, coil and outer magnet, and described bobbin has hollow bulb and outer surface, and described long magnet is fixed in the hollow bulb of described bobbin; Described short magnet is arranged in the hollow bulb of described bobbin, and with described long magnet against joint; Described coil is set around the outer surface of described bobbin; The coated described long magnet of described outer magnet, short magnet and be arranged with the bobbin of coil.The utility model is by arranging long magnet and short magnet, and the precision adjustment done according to testing electrical property in length, thus can take out and remove the short magnet of partial-length, and then the combined inductor making the utility model provide has better assembling yield, lower scrap cost and better manufacture convenience, greatly reduces production cost.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is the assembling view of the inductor using E shape magnet in prior art.
Fig. 3 and Fig. 4 is the assembling view of the inductor using hood-shaped outer magnet and single magnet in prior art.
Fig. 5 and Fig. 6 is the assembling view of the inductor using U-shaped outer magnet and single magnet in prior art.
Fig. 7, Fig. 8, Fig. 9 and Figure 10 for the utility model provide the assembling view of Making programme of combined inductor, wherein, Figure 10 for the utility model first preferred embodiment provide the cutaway view of combined inductor.
The cutaway view of the combined inductor that Figure 11 provides for the utility model second preferred embodiment.
Embodiment
The utility model provides a kind of combined inductor, by arranging long magnet and short magnet, and the precision adjustment done according to testing electrical property in length, thus make combined inductor have better assembling yield, lower scrap cost and better manufacture convenience, greatly reduce production cost.
For making the purpose of this utility model, technical scheme and effect clearly, clearly, the following accompanying drawings embodiment that develops simultaneously further describes the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, not in order to limit the utility model.
Refer to Fig. 7, Fig. 8, Fig. 9 and Figure 10, the assembling view of the Making programme of its combined inductor provided for the utility model, wherein, each step making described combined inductor will be consulted each figure and be described in detail in following.
Refer to Fig. 7, first, provide the bobbin 20 that has outer surface 203 and a hollow bulb 201, in the outer surface 203 winding coil 22 of bobbin 20.Particularly, the wire that coil 22 can have an insulating material by outer surface with close around (during coiling, wire one encloses and suffers a circle) and spaced winding (often enclosing during coiling between wire all every certain distance) two kinds of form windings on the outer surface 203 of bobbin 20, or again with layering put down around, disorderly around form windings such as, universal windings on the outer surface 203 of bobbin 20, the utility model is not construed as limiting this.In addition, coil 22 can have two wire connecting portion 221 of the outer surface 203 not being set around bobbin 20, and described combined inductor can have the coil holder (not shown) be connected with bobbin 20, described coil holder has two outlet portion (not shown)s to be exposed from described outlet portion to make wire connecting portion 221.
Refer to Fig. 8, affixed long magnet 21 in the bobbin 20 being arranged with coil 22, particularly, described long magnet 21 is fixed in the hollow bulb 201 of bobbin 20.Long magnet 21 can be the shape of the hollow bulb 201 of any adaptive bobbin 20, and such as cylinder or polygonal cylinder, the utility model is not construed as limiting this.In addition, long magnet 21 is made by magnetic material (be such as silicon steel sheet, permalloy etc., but the utility model being not construed as limiting this).
Refer to Fig. 9, in the hollow bulb 201 of bobbin 20, short magnet 25 is set with against long magnet 21, rejoin long magnet 21 and short magnet 25.It should be noted that, engaging short magnet 25 needs to carry out testing electrical property with long magnet 21 before, and removes the part length of short magnet 25 according to test result, engages long magnet 21 and short magnet 25 in testing successfully.Particularly, short magnet 25 is made with the material being same as long magnet 21, adjusts the inductance value of the combined inductor that the utility model provides as required.In the hollow bulb 201 that short magnet 25 is first arranged at bobbin 20 by the utility model and against long magnet 21, but long magnet 21 is not engaged with short magnet 25, afterwards, to long magnet 21, short magnet 25, the semi-finished product of the combined inductor that coil 22 and bobbin 20 are formed carry out testing electrical property, if this half-finished inductance value does not meet the scope of design of inductance value, then take out short magnet 25 and remove the part length of short magnet 25, and the mode that removes is generally grinding, but the utility model is not construed as limiting this, afterwards, in the hollow bulb 201 short magnet 25 being relocated onto bobbin 20 and against long magnet 21, and testing electrical property is carried out to these semi-finished product, if still do not meet the scope of design of inductance value, then repeatedly remove described above and test process, till this half-finished inductance value meets the scope of design of inductance value.After this half-finished inductance value meets the scope of design of inductance value, short magnet 25 is binded long magnet 21, to make long magnet 21 closely fix as one with short magnet 25, thus avoid the magnetic line of force to spill.
Therefore, the utility model is by using long magnet 21 and short magnet 25, and the precision adjustment done according to testing electrical property in length, thus avoid in prior art, using E shape magnet or single magnet when adjusting inductance value failure, cause E shape magnet, single magnet, bobbin and coil to scrap the high extra cost caused simultaneously.
Refer to Figure 10, finally, outer magnet is installed with coated long magnet 21, short magnet 25, bobbin 20 and coil 22, thus forms combined inductor as shown in Figure 10.Particularly, the material that outer magnet uses can be identical with long magnet 21 and short magnet 25, but, outer magnet can (be also such as the material such as nickel-zinc ferrite (NX series) or manganese-zinc ferrite (MX series) by the magnetic material of other kind, the utility model is not construed as limiting this) make, and outer magnet can be a hood-shaped outer magnet 24 or two U-shaped outer magnets be engaged with each other, 24 ' two kinds of forms, as shown in figure 11.The coated long magnet 21 of hood-shaped outer magnet 24, short magnet 25, bobbin 20 and coil 22 are to form closed field line loop, and hood-shaped outer magnet 24 and U-shaped outer magnet 24 ' can not remove the single magnet of part as hampered as E shape magnet in prior art.
The schematic diagram of the combined inductor that the utility model first preferred embodiment provides as shown in Figure 10, wherein said combined inductor system comprises long magnet 21, short magnet 25, bobbin 20, coil 22 and outer magnet, understand the utility model in order to clear, below described combined inductor and each assembly thereof are described in detail.
Long magnet 21 is made by magnetic material (be such as silicon steel sheet, permalloy etc., but the utility model being not construed as limiting this), and long magnet 21 can be the cylinder of any shape, and such as cylinder or polygonal cylinder, the utility model is not construed as limiting this.Described short magnet 25 is made with the material being same as long magnet 21, or by materials such as other kind magnetic material (be such as nickel-zinc ferrite (NX series) or manganese-zinc ferrites (MX series), the utility model is not construed as limiting this) make, optionally to adjust the inductance value of the combined inductor that the utility model provides, and the shape of short magnet 25 is the same column shape shorter than long magnet 21, and precision adjustment can be carried out to its length, to meet the target inductance value of design, and, long magnet 21 closely fixes as one with short magnet 25, thus avoid the magnetic line of force to spill.
Bobbin 20 has outer surface 203 and hollow bulb 201, and described hollow bulb 201 is in order to hold long magnet 21 and short magnet 25.Particularly, described long magnet 21 and short magnet 25 are fixedly arranged in hollow bulb 201.
Coil 22 is set around the outer surface 203 of bobbin 20.
The coated long magnet 21 of outer magnet, short magnet 25, bobbin 20 and coil 22.Described outer magnet can use the material identical with long magnet 21, or the magnetic material of other kind (be such as the materials such as nickel-zinc ferrite (NX series) or manganese-zinc ferrite (MX series), the utility model is not construed as limiting this) can be used to make.Hood-shaped outer magnet 24 is sheathed on outside bobbin 20, with coated long magnet 21, short magnet 25, bobbin 20 and coil 22, and forms closed field line loop.
In addition, the combined inductor that the utility model first preferred embodiment provides can comprise the coil holder (not shown) with two outlet portions, and described coil holder connects bobbin 20, and wire connecting portion 221 exposes from described outlet portion.
Refer to Figure 11, the cutaway view of its combined inductor provided for the utility model second preferred embodiment, wherein, the difference of the method for making of the combined inductor in the method for making of this combined inductor and Figure 10 is that the combined inductor that the second preferred embodiment provides uses two U-shaped outer magnets 24 ', and removes the part length of U-shaped outer magnet 24 ' according to the electrical test results of short magnet 25, long magnet 21, bobbin 20 and coil 22.In addition, bobbin 20 can first accurate to be positioned at U-shaped outer magnet 24 ' inner surface 240 select location after be fixedly arranged on this select location again, again the assembly of another U-shaped outer magnet 24 ' with bobbin 20 and U-shaped outer magnet 24 ' is engaged afterwards, thus make two U-shaped outer magnet 24 ' fluid-tight engagement with coated long magnet 21, short magnet 25, bobbin 20 and coil 22, to form airtight flux loop.
In sum, the combined inductor that the utility model provides comprises bobbin, long magnet, short magnet, coil and outer magnet, and described bobbin has hollow bulb and outer surface, and described long magnet is fixed in the hollow bulb of described bobbin; Described short magnet is arranged in the hollow bulb of described bobbin, and with described long magnet against joint; Described coil is set around the outer surface of described bobbin; The coated described long magnet of described outer magnet, short magnet and be arranged with the bobbin of coil, by arranging long magnet and short magnet, and the precision adjustment done according to testing electrical property in length, thus can take out and remove the short magnet of partial-length, and then the combined inductor making the utility model provide has better assembling yield, lower scrap cost and better manufacture convenience, greatly reduces production cost.
Compared to prior art, the utility model has following beneficial effect:
1, scrap while avoiding single magnet to grind improper caused single magnet and outer magnet;
2, the single magnet that ground and bad the caused inductance value of bobbin contraposition is avoided to offset;
3, outer magnet is avoided to hinder single magnet to remove.
Be understandable that; for those of ordinary skills; can be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, and all these change or replace the protection range that all should belong to the claim appended by the utility model.
Claims (6)
1. a combined inductor, is characterized in that, comprising:
Bobbin, has hollow bulb and outer surface;
Long magnet, is fixed in the hollow bulb of described bobbin;
Short magnet, is arranged in the hollow bulb of described bobbin, and with described long magnet against joint;
Coil, is set around the outer surface of described bobbin; And
Outer magnet, coated described long magnet, short magnet and be arranged with the bobbin of coil.
2. combined inductor according to claim 1, is characterized in that, described long magnet, short magnet and described outer magnet are magnetic magnet.
3. combined inductor according to claim 2, is characterized in that, described long magnet and described short magnetic are silicon steel sheet magnet or permalloy magnet.
4. combined inductor according to claim 2, is characterized in that, described short magnet and described outer magnet are nickel-zinc ferrite magnet or manganese-zinc ferrite magnet.
5. combined inductor according to claim 1, is characterized in that, the shape of described long magnet and short magnet is cylinder or polygonal cylinder.
6. combined inductor according to claim 1, is characterized in that, described outer magnet is made up of the U-shaped outer magnet that two are engaged with each other, or is a hood-shaped outer magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520779540.4U CN205069265U (en) | 2015-10-09 | 2015-10-09 | Modular inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520779540.4U CN205069265U (en) | 2015-10-09 | 2015-10-09 | Modular inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205069265U true CN205069265U (en) | 2016-03-02 |
Family
ID=55395786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520779540.4U Expired - Fee Related CN205069265U (en) | 2015-10-09 | 2015-10-09 | Modular inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205069265U (en) |
-
2015
- 2015-10-09 CN CN201520779540.4U patent/CN205069265U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 |