CN203481390U - Ferrite module used for electronic equipment - Google Patents
Ferrite module used for electronic equipment Download PDFInfo
- Publication number
- CN203481390U CN203481390U CN201320634581.5U CN201320634581U CN203481390U CN 203481390 U CN203481390 U CN 203481390U CN 201320634581 U CN201320634581 U CN 201320634581U CN 203481390 U CN203481390 U CN 203481390U
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- Prior art keywords
- ferrite
- electronic equipment
- coil
- antenna
- shell
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- Expired - Lifetime
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- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 105
- 238000010030 laminating Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000002184 metal Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000005672 electromagnetic field Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000002889 sympathetic effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Abstract
The utility model relates to a ferrite module used for electronic equipment. The ferrite module used for the electronic equipment comprises a ferrite layer which covers the outside of an antenna or a coil disposed on an inner side wall of a shell of the electronic equipment and is provided with an inner side surface and an outer side surface. The inner side surface is provided with a first outline surface having the same shape with that of the outer surface of the side of the antenna or the coil; and the outer side surface is provided with a second outline surface having the same shape with the inner shape of the electronic equipment opposite to the inner side wall of the shell. The ferrite module used for electronic equipment provided by the utility model can provide the ferrite layer of the antenna or the coil capable of individually covering on the inner wall of the shell of the electronic equipment specific to the outer shapes thereof, reduce interspaces between the ferrite layer and the antenna or the coil, and can provide a better electromagnetic shielding effect in the narrow and small space.
Description
Technical field
The utility model relates to a kind of ferrite module for electronic equipment, and described ferrite module can be widely used in various electronic equipments, such as mobile phone, computer, MP3, MP4, panel computer etc.
Background technology
In the electronic equipments such as mobile phone, computer, MP3, MP4, panel computer, various radio functions have been widely used, functions such as Wlan, Bluetooth, GPRS, 3G is all integrated in equipment the inside, putting of the design of the antenna of various radio functions and position, has considerable influence to the performance of product.Current most Antenna Design is that in the situation in built-in ， compare little mechanism space, placing space is subject to serious extruding, causes benefit not enough.And the NFC(Near Field Communication recently occurring, wireless near field communication) technology or RFID(Radio Frequency Identification, radio-frequency (RF) identification) short-range contactless communication technology of technology type is also popular.Meanwhile, the layout difficulty that adds and increased wireless charging receiving coil of wireless charging function.
Therefore a lot of manufacturers start a part of antenna, coil etc., such as NFC antenna, wireless charging receiving coil etc., be set to the enclosure of electronic equipment, thereby need not redesign the position that changes each parts of device interior, only change a shell and just can realize new function, greatly saved cost.
For example, if RFID label is wanted integrated or is fitted on electronic equipment casing madial wall, a parts performance function as equipment, often because of limited space, unavoidably will be attached to RFID label the conductive body surfaces such as metal or be attached to the place that adjacent locations has metal device.So, under the signal function that RFID label sends in card reader, excite the alternating electromagnetic field inducing to be easy to be subject to the eddy current decay effect of metal and signal strength signal intensity is weakened greatly, causing reading procedure failure.Therefore,, for product can better be applied Card Reader, generally all on RFID label, cover one deck Ferrite Material, ferrite sheet for example, in order to RFID label is covered, with electromagnetic wave absorption, reach the metal device in electronic equipment after avoiding electromagnetic wave to see through RFID label.
Similarly, the wireless charging receiving coil being arranged on the shell madial wall of electronic equipment also can run into same problem, when electronic equipment near the sympathetic electromagnetic field of wireless charging device near time, can on the wireless charging receiving coil of electronic equipment internal, obtain induced current for charging.Meanwhile, electronic equipment internal runs into sympathetic electromagnetic field near some metal partss of wireless charging receiving coil, will in metal parts, produce electronics eddy current, electronics eddy current can produce skin effect to metal, on metal, produce heat energy, reduced charge efficiency, waste electric energy.And sympathetic electromagnetic field also can affect whole electronic equipment normal operation to the circuit main board interference of electronic equipment internal.Now, generally also need on wireless charging receiving coil, cover one deck Ferrite Material, ferrite sheet for example, in order to cover RFID label, with electromagnetic wave absorption, reach metal device and the other electron component in electronic equipment after avoiding electromagnetic wave to see through wireless charging receiving coil.
The Ferrite Material that is generally used for electronic equipment adopts injection molding process conventionally, is become the finished product of annular, column or sheet by special manufacturers produce.The ferrite sheet finished product of electronic equipment manufacturer bulk purchase several types, then sticks on the outside of antenna or coil, for electromagnetic wave absorption.For example, in CN102408230A, disclose constituent and the production technology of the ferrite particle material that is applicable to injection molding process, quote as a reference herein.
Yet, popular along with the personalized trend of electronic equipment, is arranged on various antennas on shell, coil etc. different, and surface is also rough and uneven in surface, the finished product ferrite sheet of buying is difficult to fit tightly with these surfaces, thereby bad for shielding electromagnetic waves effect.In order to overcome this defect, often need to adopt more large-area ferrite sheet to cover antenna, yet on electronic equipment casing, but do not had more space to hold these parts that have more, therefore, the Ferrite Material that anxious a kind of personalizable to be developed is manufactured, in order to provide better effectiveness under small space.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of ferrite module for electronic equipment, to reduce or to avoid problem noted earlier.
For solving the problems of the technologies described above, the utility model proposes a kind of ferrite module for electronic equipment, comprise a ferrite layer, described ferrite layer is covered in antenna or the coil outside on the madial wall of shell of described electronic equipment, described ferrite layer has a medial surface and a lateral surface, described medial surface has first external surface consistent with the external surface shape of described antenna or coil one side, and described lateral surface has the second consistent external surface of interior shape of the described electronic equipment relative with the madial wall of described shell.
Preferably, described the first external surface comprises the covering part with the outer surface laminating of described antenna or coil, and with the extension of the madial wall laminating of the described shell of described antenna or coil periphery.
Preferably, the covering part of described the first external surface is spill.
Preferably, described the second external surface comprises a planar portions, and a side surface part that connects the madial wall of described planar portions and described shell.
Preferably, the planar portions of described the second external surface and the madial wall of described shell flush.
Preferably, on described the second external surface, there is the functional structure associated with described shell.
Preferably, described functional structure comprises described shell is buckled in to the buckle structure on described electronic equipment.
Preferably, described functional structure comprises other parts is installed to the buckle structure on described shell.
Ferrite module for electronic equipment provided by the utility model, it can be for the profile of the madial wall of the shell of electronic equipment, provide personalizable to cover antenna on it or the ferrite layer of coil, reduced the space between ferrite layer and antenna or coil, better effectiveness can be provided under small space.
Accompanying drawing explanation
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein,
What Fig. 1 showed is according to the schematic diagram of the ferrite module for electronic equipment of a specific embodiment of the present utility model;
What Fig. 2 showed is according to the cutaway view of the ferrite module of a specific embodiment of the present utility model;
What Fig. 3 showed is according to the cutaway view of the ferrite module of another specific embodiment of the present utility model.
Embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing embodiment of the present utility model is described.Wherein, identical parts adopt identical label.
For existing problem in prior art, the utility model provides a kind of ferrite module for electronic equipment, and described ferrite module can be widely used in various electronic equipments, such as mobile phone, computer, MP3, MP4, panel computer etc.Mobile phone take below as example, with reference to accompanying drawing, describe structure and the manufacture method thereof of ferrite module of the present utility model in detail.
What Fig. 1 showed is according to the schematic diagram of the ferrite module for electronic equipment of a specific embodiment of the present utility model, wherein, what Reference numeral 1 represented is ferrite module of the present utility model, and what Reference numeral 2 represented is a kind of shell of electronic equipment, for example, the back skin of mobile phone.
Specifically, the back skin 2 that the shell of electronic equipment shown in figure is a kind of mobile phone, is provided with on the madial wall of shell 2 in antenna or coil 21(figure shown in dotted line), such as Wlan antenna, NFC antenna, RFID label, wireless charging receiving coil etc.
In figure, show that antenna or coil 21 protrude from outside the madial wall of shell 2, the outside that ferrite layer 11 fits tightly antenna or coil 21 is wrapped in (Fig. 2) on madial wall.Certainly, those skilled in the art are to be understood that, described antenna or coil 21 also can be arranged in a pit on the madial wall of shell 2, and the outside that ferrite layer 11 fits tightly antenna or coil 21 is wrapped in (Fig. 3) in this pit, below this is further described in detail.
As shown in Figure 2,3, wherein, what Fig. 2 showed is according to the cutaway view of the ferrite module of a specific embodiment of the present utility model; What Fig. 3 showed is according to the cutaway view of the ferrite module of another specific embodiment of the present utility model.
In embodiment illustrated in fig. 2, antenna or coil 21 protrude from outside the madial wall of shell 2, and the outside that ferrite layer 11 fits tightly antenna or coil 21 is wrapped on madial wall.That is to say, described ferrite layer 11 has a medial surface and a lateral surface, described medial surface has first external surface 12 consistent with the external surface shape of described antenna or coil 21 1 sides, and described lateral surface has the second consistent external surface 13 of interior shape of the described electronic equipment relative with the madial wall of described shell.
Further, as shown in the figure, described the first external surface 12 comprises the covering part 121 with the outer surface laminating of described antenna or coil 21, and with the extension 122 of the madial wall laminating of the described shell 2 of described antenna or coil 21 peripheries.Shown in figure, in embodiment, the covering part 121 of the first external surface 12 is spill.
Further, described the second external surface 13 comprises a planar portions 131, and a side surface part 132 that connects the madial wall of described planar portions 131 and described shell 2.
That is to say, ferrite layer 11 shown in Fig. 2 in embodiment is concave structure on the whole, this concave structure can fit tightly with antenna or coil 21 surfaces, can also fit tightly with the madial wall of shell 2, therefore, the ferrite layer 11 of ferrite module 1 of the present utility model can be for the profile of the madial wall of the shell 2 of electronic equipment, provide personalizable to cover antenna on it or the ferrite layer 11 of coil 21, reduced the space between ferrite layer 11 and antenna or coil 21, better effectiveness can be provided under small space.
Although it is flat to it will be appreciated by those skilled in the art that the madial wall of the shell 2 showing in figure looks like, and antenna or coil 21 seem it is also flat,, actual conditions are that they are to be all likely that surface is scraggly.For example, if antenna or coil 21 are coils of copper wire winding, between copper cash, just have so some convex-concaves or gap.In addition, owing to unavoidably there is a lot of pits or projection on the madial wall of shell 2, the madial wall of antenna or coil 21 peripheries may be also scraggly.Therefore, the first external surface 12 of the ferrite layer 11 of ferrite module 1 of the present utility model is to fit with the profile of the madial wall of antenna or coil 21 and their peripheries.
Same, as shown in Figure 3, antenna or coil 21 are arranged in a pit on the madial wall of shell 2, and the outside that ferrite layer 11 fits tightly antenna or coil 21 is wrapped in this pit.That is to say, described ferrite layer 11 has a medial surface and a lateral surface equally, described medial surface has first external surface 12 consistent with the external surface shape of described antenna or coil 21 1 sides, and described lateral surface has the second consistent external surface 13 of interior shape of the described electronic equipment relative with the madial wall of described shell.
Further, as shown in the figure, described the first external surface 12 comprises the covering part 121 with the outer surface laminating of described antenna or coil 21, and with the extension 122 of the madial wall laminating of the described shell 2 of described antenna or coil 21 peripheries.Shown in figure, in embodiment, the covering part 121 of the first external surface 12 is spill.Certainly, if antenna or coil 21 are stuck in pit on the whole, periphery is without any space, and the first external surface 12 has not had extension with regard to only having covering part 121 so.
Further, described the second external surface 13 comprises a planar portions 131, and a side surface part 132 that connects the madial wall of described planar portions 131 and described shell 2.
As shown in the figure, conventionally for the interior shape of the relative described electronic equipment of the madial wall with shell 2 is consistent, common the second external surface 13 is all flat, not hinder the layout of inner body, in figure, the planar portions 131 of the second external surface 13 is still not flat, but also flush with the madial wall of described shell 2, so just more do not have and hindered the ledge of inner components.
In addition, in a specific embodiment, on described the second external surface 13, can also there is the functional structure (not shown) associated with described shell, described functional structure can comprise described shell is buckled in to the buckle structure on described electronic equipment, also can comprise other parts are installed to the buckle structure on described shell.That is to say, in ferrite module 1 of the present utility model, the madial wall of the medial surface of ferrite layer 11 and antenna or coil 21 and shell 2 fits tightly, and has guaranteed that good effectiveness is just passable.And the lateral surface of ferrite layer 11 can have the second consistent external surface 13 of interior shape any and electronic equipment, described the second external surface 13 can be flat conventionally, also can be arranged to any shape that does not hinder inner components to arrange, or the needs that can adapt to interior shape, design has other function.For example can be designed to shell 2 can be buckled in to the buckle structure on electronic equipment, namely can make ferrite layer 11 use as a part for shell 2.Or, can design to become camera, speaker net etc. is stuck in to the buckle structure on shell 2.
More than introduced the structure of ferrite module of the present utility model, this structure is to be closely connected with the manufacture method that will describe below, that is to say, why ferrite module of the present utility model can be designed to above-mentioned shape, be that the manufacture method by a kind of special personalized customization realizes.
Specifically, the present embodiment provides a kind of manufacture method of the ferrite module for electronic equipment, described ferrite module comprises a ferrite layer, described ferrite layer is covered in antenna or the coil outside on the madial wall of shell of described electronic equipment, described ferrite layer has a medial surface and a lateral surface, described medial surface has first external surface consistent with the external surface shape of described antenna or coil one side, described lateral surface has the second consistent external surface of interior shape of the described electronic equipment relative with the madial wall of described shell, described manufacture method comprises the steps: first to provide first mould and second mould, described the first mould has first profile of fitting with the first external surface of described ferrite layer, described the second mould has second profile of fitting with the second external surface of described ferrite layer, then by after described the first mould and the second mould fastening, in the space of described the first profile and the second profile fastening, injecting ferrite filler forms described ferrite layer.
That is to say, the shape of the first external surface 12 that external surface shape based on described antenna or coil 21 1 sides is consistent, a kind of and on all four the first mould of its shape can be provided, then the needs of the interior shape based on electronic equipment are said the shape of the second external surface 13 of design, a kind of and on all four the second mould of its shape can be provided, mode by injection moulding in the die cavity of the inside of two moulds forms ferrite layer 11, just can obtain above-mentioned ferrite module 1 of the present utility model.
In a preferred embodiment, described the first mould is the described electronic equipment casing 2 itself that is provided with described antenna or coil 21.That is the method complete expression of the present embodiment is as follows:
A kind of manufacture method of the ferrite module for electronic equipment, described ferrite module comprises a ferrite layer, described ferrite layer is covered in antenna or the coil outside on the madial wall of shell of described electronic equipment, described ferrite layer has a medial surface and a lateral surface, described medial surface has first external surface consistent with the external surface shape of described antenna or coil one side, described lateral surface has the second consistent external surface of interior shape of the described electronic equipment relative with the madial wall of described shell, described manufacture method comprises the steps: to be provided with 2 of the described electronic equipment casings of described antenna or coil 21 as the first mould, second mould is provided, described the second mould has second profile of fitting with the second external surface of described ferrite layer, then by after described the first mould and the second mould fastening, in the space of described the first mould and the second profile fastening, injecting ferrite filler forms described ferrite layer.
That is to say, in the present embodiment, do not need to manufacture separately first mould, but using electronic equipment casing 2 and antenna or the part as mould of coil 21 own.For example, when manufacturing, electronic equipment casing 2 madial walls are fixed on production line by fixture upward, when electronic equipment casing 2 postpone in place, directly above the madial wall of electronic equipment casing 2, cover second mould, then in the second mould and the formed die cavity of electronic equipment casing 2, injection moulding forms ferrite layer 11.In the present embodiment, why shape is all indifferent for antenna on electronic equipment casing 2 or coil 21, as long as the second mould is covered up to injection moulding, just ferrite all can be filled up in the gap of antenna or coil 21 peripheries, obtain like this ferrite layer and can not have any gap.Structure shown in common especially Fig. 3, the first mould is that shell 2 is own, the second mould can be exactly a flat board that pit is covered, and toward injection moulding between pit and the second mould, just can obtain a surface flushing with the madial wall of shell 2.
Ferrite module for electronic equipment provided by the utility model, it can be for the profile of the madial wall of the shell of electronic equipment, provide personalizable to cover antenna on it or the ferrite layer of coil, reduced the space between ferrite layer and antenna or coil, better effectiveness can be provided under small space.
Although it will be appreciated by those skilled in the art that the utility model is to be described according to the mode of a plurality of embodiment, not each embodiment only comprises an independently technical scheme.For the purpose of in specification, so narration is only used to know; those skilled in the art should make specification as a wholely to be understood, and regard technical scheme related in each embodiment as the mode that can mutually be combined into different embodiment understand protection range of the present utility model.
The foregoing is only the schematic embodiment of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, is not departing from equivalent variations, modification and the combination of doing under the prerequisite of design of the present utility model and principle, all should belong to the scope of the utility model protection.
Claims (10)
1. the ferrite module for electronic equipment, comprise a ferrite layer, described ferrite layer is covered in antenna or the coil outside on the madial wall of shell of described electronic equipment, it is characterized in that, described ferrite layer has a medial surface and a lateral surface, described medial surface has first external surface consistent with the external surface shape of described antenna or coil one side, and described lateral surface has the second consistent external surface of interior shape of the described electronic equipment relative with the madial wall of described shell.
2. ferrite module according to claim 1, is characterized in that, described the first external surface comprises the covering part with the outer surface laminating of described antenna or coil, and with the extension of the madial wall laminating of the described shell of described antenna or coil periphery.
3. ferrite module according to claim 2, is characterized in that, the covering part of described the first external surface is spill.
4. according to the ferrite module one of claim 1-3 Suo Shu, it is characterized in that, described the second external surface comprises a planar portions, and a side surface part that connects the madial wall of described planar portions and described shell.
5. ferrite module according to claim 4, it is characterized in that, described antenna or coil are arranged in a pit on the madial wall of described shell, the outside that described ferrite layer fits tightly described antenna or coil is wrapped in this pit, and the planar portions of described the second external surface flushes with the madial wall of described shell.
6. according to claim 1-3, one of 5 described ferrite modules, it is characterized in that on described the second external surface, thering is the functional structure associated with described shell.
7. ferrite module according to claim 4, is characterized in that, has the functional structure associated with described shell on described the second external surface.
8. ferrite module according to claim 6, is characterized in that, described functional structure comprises buckle structure.
9. ferrite module according to claim 7, is characterized in that, described functional structure comprises buckle structure.
10. ferrite module according to claim 8 or claim 9, is characterized in that, described functional structure comprises described shell is buckled in to the buckle structure on described electronic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320634581.5U CN203481390U (en) | 2013-10-15 | 2013-10-15 | Ferrite module used for electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320634581.5U CN203481390U (en) | 2013-10-15 | 2013-10-15 | Ferrite module used for electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481390U true CN203481390U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320634581.5U Expired - Lifetime CN203481390U (en) | 2013-10-15 | 2013-10-15 | Ferrite module used for electronic equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN203481390U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500878A (en) * | 2013-10-15 | 2014-01-08 | 络派模切（北京）有限公司 | Ferrite module for electronic equipment and manufacturing method of ferrite module |
| CN104009293A (en) * | 2014-06-06 | 2014-08-27 | 昆山联滔电子有限公司 | Antenna |
-
2013
- 2013-10-15 CN CN201320634581.5U patent/CN203481390U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500878A (en) * | 2013-10-15 | 2014-01-08 | 络派模切（北京）有限公司 | Ferrite module for electronic equipment and manufacturing method of ferrite module |
| CN103500878B (en) * | 2013-10-15 | 2016-03-30 | 络派模切（北京）有限公司 | A kind of ferrite module for electronic equipment and manufacture method thereof |
| CN104009293A (en) * | 2014-06-06 | 2014-08-27 | 昆山联滔电子有限公司 | Antenna |
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