CN203761758U - Power module and electronic device - Google Patents
Power module and electronic device Download PDFInfo
- Publication number
- CN203761758U CN203761758U CN201420160848.6U CN201420160848U CN203761758U CN 203761758 U CN203761758 U CN 203761758U CN 201420160848 U CN201420160848 U CN 201420160848U CN 203761758 U CN203761758 U CN 203761758U
- Authority
- CN
- China
- Prior art keywords
- power module
- base plate
- barricade
- printed base
- deviates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000004888 barrier function Effects 0.000 claims description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 abstract description 9
- 229920003023 plastic Polymers 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract 7
- 238000009413 insulation Methods 0.000 abstract 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model relates to the technical field of electromagnetic shielding and discloses a power module and an electronic device. The power module comprises a printing substrate, a power supply device and a shielding plate, wherein the power supply device is arranged on one side of the printing substrate, and the shielding plate is arranged on one side, distant from the power supply device, of the printing substrate. The shielding plate comprises an insulation layer and an electromagnetic shielding layer, wherein the electromagnetic shielding layer is arranged on one side, distant from the printing substrate, of the insulation layer. The power module can be electromagnetically shielded in the direction of the printing substrate distant from the power supply device by the electromagnetic shielding layer, so the shielding plate can be directly mounted by facing a rear plastic shell of the electronic device when the power module is mounted, and procedures of mounting the power module of the electronic device are simplified. Meanwhile, the shielding plate comprising the insulation layer and the electromagnetic shielding layer is directly fixedly connected with the printing substrate, alignment relation of the shielding plate and the printing substrate is accurate, and relative position relation is stable, and the electromagnetic shielding performance of the electronic device for the power module can be further improved.
Description
Technical field
The utility model relates to electromangnetic spectrum field, particularly a kind of power module and electronic equipment.
Background technology
In electronic equipment, be to consider a kind of key factor of electronic equipment quality for the quality of the capability of electromagnetic shielding of power module.
In prior art, the housing of electronic equipment mostly is plastic casing, and the power module of applying in electronic equipment comprises a printed base plate and is arranged on the power supply apparatus on printed base plate, in electronic equipment assembling process, in order to realize the electromagnetic shielding to power module in electronic equipment, the iron plate of electromagnetic shielding action, the mylar film of its insulating effect, the last printed base plate with power supply apparatus of just installing need to be installed when power module is installed successively, and operation when electronic equipment is installed power module is numerous and diverse.
Utility model content
The utility model provides a kind of power module and has had the electronic equipment of this power module, operation when this power module can be simplified electronic equipment installation power module.
For achieving the above object, the utility model provides following technical scheme:
A kind of power module, comprise printed base plate, be arranged at described printed base plate power supply apparatus simultaneously, also comprise and be positioned at the barricade that described printed base plate deviates from its power supply apparatus one side, described barricade comprises insulating barrier and is positioned at the electro-magnetic screen layer that described insulating barrier deviates from described printed base plate one side.
In above-mentioned power module, printed base plate deviates from the barricade that the one side of power supply apparatus is fixed with and comprises insulating barrier and electro-magnetic screen layer, therefore, power module can be realized power module by electro-magnetic screen layer and deviate from the electromagnetic shielding in power supply apparatus direction at printed base plate, and insulating barrier can prevent that the circuit on printed base plate from contacting with electro-magnetic screen layer.So, directly barricade is installed towards the plastics back cover of electronic equipment in the time that power module is installed at the electronic equipment that uses this power module, and then has been simplified operation when electronic equipment is installed power module.
Simultaneously, the barricade that comprises insulating barrier and electro-magnetic screen layer is directly fixedly connected with printed base plate, contraposition relation between barricade and printed base plate is accurate and relative position relation stable, can further improve the capability of electromagnetic shielding of electronic equipment for power module.
Preferably, described printed base plate has the protruding connection stitch to described barricade, described barricade is provided with and the described stitch jack one to one that is connected, and connects that stitch inserts the described jack of its correspondence and by being fixedly welded on described barricade described in each.
Preferably, between described barricade and described printed base plate, be fixedly connected with by screw.
Preferably, described barricade also comprises that being positioned at described electro-magnetic screen layer deviates from described insulating barrier overcoat simultaneously.
Preferably, the insulating barrier of described barricade is printed circuit board (PCB) tabula rasa.
Preferably, described electro-magnetic screen layer is to be arranged at the screened film that described printed circuit board (PCB) tabula rasa deviates from described printed base plate one side.
Preferably, described screened film is to be deposited on the Copper Foil that described printed circuit board (PCB) tabula rasa deviates from described printed base plate one side.
Preferably, described screened film is to be attached at the conductive metal film that described printed circuit board (PCB) tabula rasa deviates from described printed base plate one side.
On the other hand, the utility model also provides a kind of electronic equipment, comprises back cover, and any power module providing in technique scheme is also provided, described power module is relative with described back cover fixing, and described barricade is between described printed base plate and described back cover.
Brief description of the drawings
The structural principle schematic diagram of the power module that Fig. 1 provides for the utility model;
A kind of structural representation that adopts welding manner to be fixedly connected with between printed base plate and barricade in the power module that Fig. 2 provides for the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, the power module that the utility model embodiment provides, comprise printed base plate 1, be arranged at printed base plate 1 power supply apparatus 11 simultaneously, also comprise and be positioned at the barricade 2 that printed base plate 1 deviates from its power supply apparatus 11 1 sides, barricade 2 comprises insulating barrier 21 and is positioned at the electro-magnetic screen layer 22 that insulating barrier 21 deviates from printed base plate 1 one sides.
In above-mentioned power module, printed base plate 1 deviates from the barricade 2 that the one side of power supply apparatus 11 is fixed with and comprises insulating barrier 21 and electro-magnetic screen layer 22, therefore, power module can be realized power module by electro-magnetic screen layer 22 and deviate from the electromagnetic shielding in power supply apparatus 11 directions at printed base plate 1, and insulating barrier 21 can prevent that the circuit on printed base plate 1 from contacting with electro-magnetic screen layer 22.So, directly barricade 2 is installed towards the plastics back cover of electronic equipment in the time that power module is installed at the electronic equipment that uses this power module, and then has been simplified operation when electronic equipment is installed power module.
Simultaneously, the barricade 2 that comprises insulating barrier 21 and electro-magnetic screen layer 22 is directly fixedly connected with printed base plate 1, contraposition relation between barricade 2 and printed base plate 1 is accurate and relative position relation stable, can further improve the capability of electromagnetic shielding of electronic equipment for power module.
In a kind of preferred implementation, as shown in Figure 2, in order to improve the stability of installing between the plastics back cover of printed base plate 1 and electronic equipment, multiple the first through holes 12 can be set on printed base plate 1, then on barricade 2, arrange and the first through hole 12 the second through hole 23 one to one, and the diameter of the second through hole 23 is greater than the diameter of the first through hole 12, in every a pair of the first through hole 12 and the second through hole 23, pass a trip bolt, and the nut of trip bolt is positioned at the side that printed base plate 1 deviates from barricade 2, and the diameter of nut is greater than the diameter of the first through hole 12, the plastics back cover threaded engagement of the screw portion of screw and electronic equipment, so that printed base plate 1 is fixed on the plastics back cover of electronic equipment.Printed base plate 1 is directly fixed on the plastics back cover of electronic equipment by trip bolt, improve stability when printed base plate 1 is installed, and the diameter of the second through hole 23 having due to barricade 2 is greater than the diameter of the first through hole 12 that printed base plate 1 has, can prevent from when trip bolt from passing the second through hole 23 of barricade 2 contacting with barricade 2, prevent that the electro-magnetic screen layer 22 that barricade 2 has from contacting with the circuit in printed base plate 1, improved the fail safe of power module.
In the power module providing in above-mentioned execution mode, being fixedly connected with between barricade 2 and printed base plate 1 can be accomplished in several ways, as:
Mode one, as shown in Figure 2, printed base plate 1 has the protruding connection stitch to barricade 2, and barricade 2 is provided with and is connected stitch jack one to one, and each connects stitch and inserts its corresponding jack and by being fixedly welded on barricade 2; Preferably, mutually insulated between above-mentioned each connection front line and the electro-magnetic screen layer 22 of barricade 2; Or, mutually insulated between the circuit forming on above-mentioned each connection front line and printed base plate 1.Concrete, connecting front line is three, and the position distributing position of three solder joints 24 as shown in Figure 2 of the solder joint of formation when connecting front line and welding with barricade 2.
Certainly, can also be that barricade 2 has the protruding stitch to printed base plate, printed base plate 1 is provided with and stitch jack one to one, and each stitch inserts jack and by being fixedly welded on printed base plate 1.
Between barricade 2 and printed base plate 1, adopt the mode of aforesaid way one to be fixedly connected with, can reduce the destruction to electro-magnetic screen layer 22 in barricade 2, improve the shielding properties of barricade 2.
Mode two, can also be fixedly connected with by screw between barricade 2 and printed base plate 1.
Certainly, between barricade 2 and printed base plate 1, can also be fixedly connected with by other means, repeat no longer one by one here.
In a kind of preferred implementation, the damage causing in the time bumping with the structure such as the shell of electronic equipment in order to reduce the electro-magnetic screen layer 22 that has in barricade 2, barricade 2 also comprises and is positioned at the overcoat (not shown) that electro-magnetic screen layer 22 deviates from insulating barrier 21 one sides.
On the basis of the respective embodiments described above, in a kind of preferred implementation, the insulating barrier 21 of barricade 2 can be printed circuit board (PCB) tabula rasa.Directly adopt the insulating barrier of printed circuit board (PCB) tabula rasa as barricade, in the process of preparing power module, without opening separately mould for the insulating barrier of barricade, be convenient to the preparation of power module.
More preferably, the electro-magnetic screen layer 22 in barricade 2 deviates from the screened film of printed base plate 1 one side for being arranged at printed circuit board (PCB) tabula rasa.
Above-mentioned screened film is specifically as follows and is deposited on the Copper Foil that printed circuit board (PCB) tabula rasa deviates from printed base plate 1 one side.
Certainly, above-mentioned screened film can also deviate from for being attached at printed circuit board (PCB) tabula rasa the conductive metal film of printed base plate 1 one side.
On the other hand, the utility model also provides a kind of electronic equipment, comprises back cover, and any power module providing in technique scheme is also provided, power module is relative with back cover fixing, and barricade is between printed base plate and back cover.
Preferably, above-mentioned back cover is plastics back cover.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model embodiment.Like this, if these amendments of the present utility model and within modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (9)
1. a power module, comprise printed base plate, be arranged at described printed base plate power supply apparatus simultaneously, it is characterized in that, also comprise and be positioned at the barricade that described printed base plate deviates from its power supply apparatus one side, described barricade comprises insulating barrier and is positioned at the electro-magnetic screen layer that described insulating barrier deviates from described printed base plate one side.
2. power module according to claim 1, it is characterized in that, described printed base plate has the protruding connection stitch to described barricade, described barricade is provided with and the described stitch jack one to one that is connected, and connects that stitch inserts the described jack of its correspondence and by being fixedly welded on described barricade described in each.
3. power module according to claim 1, is characterized in that, between described barricade and described printed base plate, is fixedly connected with by screw.
4. power module according to claim 1, is characterized in that, described barricade also comprises that being positioned at described electro-magnetic screen layer deviates from described insulating barrier overcoat simultaneously.
5. according to the power module described in claim 1～4 any one, it is characterized in that, the insulating barrier of described barricade is printed circuit board (PCB) tabula rasa.
6. power module according to claim 5, is characterized in that, described electro-magnetic screen layer is to be arranged at the screened film that described printed circuit board (PCB) tabula rasa deviates from described printed base plate one side.
7. power module according to claim 6, is characterized in that, described screened film is to be deposited on the Copper Foil that described printed circuit board (PCB) tabula rasa deviates from described printed base plate one side.
8. power module according to claim 6, is characterized in that, described screened film is to be attached at the conductive metal film that described printed circuit board (PCB) tabula rasa deviates from described printed base plate one side.
9. an electronic equipment, comprises back cover, it is characterized in that, also comprises the power module as described in claim 1～8 any one, and described power module is relative with described back cover fixing, and described barricade is between described printed base plate and described back cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420160848.6U CN203761758U (en) | 2014-04-03 | 2014-04-03 | Power module and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420160848.6U CN203761758U (en) | 2014-04-03 | 2014-04-03 | Power module and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761758U true CN203761758U (en) | 2014-08-06 |
Family
ID=51256983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420160848.6U Expired - Lifetime CN203761758U (en) | 2014-04-03 | 2014-04-03 | Power module and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203761758U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI833523B (en) * | 2022-08-31 | 2024-02-21 | 財團法人工業技術研究院 | Power module |
-
2014
- 2014-04-03 CN CN201420160848.6U patent/CN203761758U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI833523B (en) * | 2022-08-31 | 2024-02-21 | 財團法人工業技術研究院 | Power module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |