CN202121925U - Shielding case and electronic apparatus with same - Google Patents
Shielding case and electronic apparatus with same Download PDFInfo
- Publication number
- CN202121925U CN202121925U CN 201120219731 CN201120219731U CN202121925U CN 202121925 U CN202121925 U CN 202121925U CN 201120219731 CN201120219731 CN 201120219731 CN 201120219731 U CN201120219731 U CN 201120219731U CN 202121925 U CN202121925 U CN 202121925U
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- China
- Prior art keywords
- radome
- pcb
- printed circuit
- cover
- circuit board
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Abstract
The utility model provides a shielding case and an electronic apparatus with the same, wherein the shielding case comprises an enclosing ringy case wall used for surrounding elements to be shielded, and a case top fixedly connected with the top of the case wall, and the bottom surface of the case wall is provided with a welding recessed surface welded to the surface of a printed circuit board. The shielding case and the electronic apparatus with the same are simple in structure and strong in rigidity, and when welded to a PCB the shielding case and the electronic apparatus with the same enable the integral rigidity of the PCB to be increased and the fatigue deformation of welding point of the PCB and a chip to be reduced, thereby increasing the reliability and service life of a mobile phone.
Description
Technical field
The utility model relates to manufacture field of electronic elements, relates in particular to a kind of radome and has the electronic installation of radome.
Background technology
In order to shield the interference of external electromagnetic field, the chip top on the printed circuit board (PCB) of mobile phone (pcb board) is covered with radome.
Fig. 1 is the structural representation of the employed radome of chip for cell phone in the prior art.Fig. 2 is radome and the connecting structure of printed circuit board sketch map among Fig. 1.As depicted in figs. 1 and 2; Radome of the prior art is a thin-walled panel beating bending part; Comprise a horizontal top surface 11 and sidewall 12 vertical with horizontal top surface 11 and that fixedly install; All have a vertical gap 121 in each corner of sidewall 12, the bottom surface of sidewall 12 is welded on the surface of pcb board 13.
The end face of the radome of prior art and sidewall are all very thin, and because the existence of gap makes that the rigidity of whole radome is less; In the mobile phone use, radome can be out of shape along with the distortion repeatedly of pcb board 13, does not have the effect of opposing pcb board 13 distortion; Like this; Solder joint between chip and the pcb board is easy to snap, thereby causes the decline in mobile phone life-span under the situation of the repeated deformation of experience pcb board 13.
The utility model content
The utility model provides a kind of radome, in order to solve defective of the prior art, realizes improving the rigidity of radome and pcb board, guarantees the purpose of the welding portion quality between chip and the pcb board.
The utility model provides a kind of radome, comprising: be used to enclose the cover wall that is closed circular of conductively-closed component ambient, and the cover that is fixedly connected with the top of said cover wall top; The bottom surface of said cover wall is provided with the welding concave surface that is used to be welded on the printed circuit board surface.
Aforesaid radome wherein, also is provided with the pin in the jack that is used to be inserted on the said printed circuit board surface on the bottom surface of said cover wall.
Aforesaid radome, wherein, said cover top is provided with the ventilation through hole.
Aforesaid radome, wherein, the space on the bottom surface on said cover top between the corresponding said conductively-closed element is set with dividing plate.
Aforesaid radome, wherein, said cover top is provided with hole clipping, said dividing plate is provided with locator card, said locator card is fastened in the said hole clipping, and locator card around weld together with the hole clipping side.
The utility model provides a kind of electronic installation with radome; Comprise a printed circuit board (PCB), be fixedly installed on the electronic component on the said printed circuit board (PCB), and be fixedly connected on being used on the said printed circuit board (PCB) and shield the aforesaid radome of said electronic component.
The radome that the utility model provides and have the electronic installation of radome; Simple in structure and have rigidity preferably; With pcb board welded together after; Improved the integral rigidity that pcb board is provided with the zone of chip, reduced the fatigue deformation of pcb board and chip welding spot, thereby improved the reliability and the useful life of mobile phone.
Description of drawings
Fig. 1 is the structural representation of the employed radome of mobile phone in the prior art.
Fig. 2 is radome and the connecting structure of printed circuit board sketch map among Fig. 1.
Fig. 3 is the structural representation of the utility model radome one embodiment.
Fig. 4 is the structural representation of another embodiment of the utility model radome.
Fig. 5 is the internal structure sketch map of the radome among Fig. 3.
Reference numeral:
The 11-horizontal top surface; The 12-sidewall; The 121-gap;
The 13-PCB plate; 21-covers wall; 22-covers the top;
211-welds concave surface; The 212-pin; 221-ventilation through hole;
The 222-dividing plate; D-thickness; The 214-groove.
Embodiment
Further specify the technical scheme of the utility model embodiment below in conjunction with accompanying drawing and specific embodiment.
Fig. 3 is the structural representation of the utility model radome one embodiment.As shown in Figure 3, the radome that present embodiment provides comprises: be used to enclose the cover wall 21 that is closed circular of conductively-closed component ambient, and the cover top 22 that is fixedly connected with the top of cover wall 21; The bottom surface of cover wall 21 is provided with the welding concave surface 211 that is used to be welded on the printed circuit board surface.Particularly, the shape and size of cover wall 21 can design according to the conductively-closed element, only need to guarantee that cover wall 21 can extend and form a closed circular continuously; Cover top 22 can be arranged to and cover the plane that wall 21 is fixedly connected so that cover push up 22 and cover wall 21 inner surfaces can form one be used for ccontaining conductively-closed element accommodation space.Optimally, the radome of present embodiment can pass through a compression moulding of mould, and is so that cover top 22 directly becomes one with cover wall 21, so not only easy to process and can avoid the quality problems of the junction that other fixed connection mode possibly bring; Certainly, also can adopt other manufacturing process, for example, process cover wall 21 and cover top 22 respectively, and then will cover top 22 and be fixedly attached to the top of covering wall 21, at this moment, need assurance need the quality of connection of fixed connection place through modes such as welding.
The radome of present embodiment in use; Can radome be located at conductively-closed element (for example chip) top on the pcb board; Be that chip is in cover wall 21 and covers in the 22 formed accommodation spaces of top, the lower surface that will cover wall 21 again is fixedly attached to the surface of pcb board through the mode of surface soldered.Like this; Because the rigidity of the radome of present embodiment is bigger; Make the rigidity welded the pcb board behind this radome also greatly improve; Make that equally in the process that mobile phone uses, the zone of having welded this radome on the pcb board can not produce fatigue deformation again, thus the snapping of the conductively-closed element of avoiding (for example chip).
It is thus clear that; The radome that present embodiment provides has improved the rigidity of the pcb board that is welded with this radome through the rigidity that increases radome; Thereby the purpose that solder joint snaps between conductively-closed element that reaches the torsional deformation repeatedly of effective opposing pcb board and cause and the pcb board; Not only played effective shielding action, also further improved the reliability that be fixedly connected of conductively-closed element, the useful life that helps improving mobile phone with pcb board.
Fig. 4 is the structural representation of another embodiment of the utility model radome.Be that the cover wall 21 of radome is closed circular and has comprised also that as shown in Figure 4 there is a groove 214 in the corner at cover wall 21; This be because; If adopt a compression moulding to make the radome of present embodiment, because the cover wall 21 that the restriction of concrete process equipment will be processed into as shown in Figure 3 can need higher cost, and the shape among the processing cost embodiment also can increase substantially rigidity; Cost is but compared with the manufacturing process of panel beating bending in the prior art, basic not increase.Therefore, in the time must controlling the situation of manufacturing cost, present embodiment just can reach the rigidity that can improve radome and pcb board, can guarantee purpose cheaply again.
In the above-described embodiments, as shown in Figure 3, also be provided with the pin 212 in the jack that is used to be inserted on the printed circuit board surface on the bottom surface of cover wall 21.Particularly; When pin 212 is inserted into corresponding pin 212 on the pcb board and after in the jack that is provided with; With welding together with the side of jack around the pin 212; Compare with the surface soldered between the pcb board with the bottom surface of cover wall 21, the Welding Structure intensity between pin 212 and jack is improved, and also the bonding strength between radome and the pcb board also is improved simultaneously.In addition, the quantity of pin 212 can be confirmed according to concrete applicable cases.If the layout elements on the pcb board is more, the space is big inadequately, and a spot of pin 212 can be set, and remaining part of cover wall 21 bottom surfaces still adopts the method for surface soldered to be fixedly attached on the pcb board; If the element of arranging on the pcb board is few; Then can on the bottom surface of radome, arrange some pins 212 more; Adopt and be welded to the mode on the pcb board through pin 212 fully; To improve the weld strength between radome and the pcb board by a larger margin, also by the effect of the overall structure rigidity of assisting raising radome and pcb board to form, further improved the dependability of mobile phone simultaneously.
At the foregoing description, cover top 22 is provided with ventilation through hole 221, not influence the heat radiation of conductively-closed element, guarantees conductively-closed element reliably working.
In the above-described embodiments, like Fig. 3 and shown in Figure 5, the space on the bottom surface on cover top 22 between the corresponding said conductively-closed element is set with dividing plate 222.When radome is used to shield a plurality of chips (for example the conductively-closed element is a chip), can there be the space between chip and the chip, can be to should dividing plate 222 being set the space on radome; When if radome only is used for shielding a chip,, also dividing plate 222 can be set if having a fixed gap on the chip side.Particularly; Dividing plate 222 can be rectangular thin plate, and a side of dividing plate 222 is fixedly connected with cover top 22, for example can adopt laser welding; The surface at pcb board can be replaced in another relative side of dividing plate 222, also can when replacing, be fixedly connected by welding on the surface of pcb board.Optimally, the thickness d of dividing plate 222 can be 0.3mm, and can keep the gap of 0.3mm with the edge of conductively-closed element or pcb board, not influence the operate as normal of conductively-closed element.The design of dividing plate 222 can further increase the rigidity of radome, especially when the area of radome (area on cover top 22) is big, can improve the rigidity of structure significantly, the useful life of further improving mobile phone.
In the above-described embodiments, as shown in Figure 5, cover top 22 is provided with hole clipping, and dividing plate 222 is provided with locator card, and locator card is fastened in the hole clipping, and locator card around weld together with the hole clipping side.Be that dividing plate 222 can adopt this engaging and weld the mode that matches with the fixed connection on cover top 22; To improve the intensity that is fixedly connected; Further guaranteed effectively its effect of performance of dividing plate 222, thereby further improved reliability and the life-span in the radome use.
Another embodiment of the utility model provides a kind of electronic installation with radome; Comprise a printed circuit board (PCB), be fixedly installed on the electronic component on the printed circuit board (PCB), and the radome that is fixedly connected on the as above arbitrary embodiment that is used for shielding electronic components on the printed circuit board (PCB).The electronic installation with radome of present embodiment; Through improvement, increased the rigidity of radome, thereby the rigidity of the pcb board that is welded with radome is also increased substantially shielding case structure; Can effectively resist the torsional deformation repeatedly of pcb board; Thereby electronic component that the fatigue deformation of having avoided pcb board causes and the solder joint between the pcb board snap, and have improved the reliability that be fixedly connected of electronic component with pcb board, the useful life of also having improved the electronic installation with radome.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (6)
1. a radome is characterized in that, comprising: be used to enclose the cover wall that is closed circular of conductively-closed component ambient, and the cover that is fixedly connected with the top of said cover wall top; The bottom surface of said cover wall is provided with the welding concave surface that is used to be welded on the printed circuit board surface.
2. radome according to claim 1 is characterized in that, also is provided with the pin in the jack that is used to be inserted on the said printed circuit board surface on the bottom surface of said cover wall.
3. radome according to claim 1 and 2 is characterized in that, said cover top is provided with the ventilation through hole.
4. radome according to claim 1 and 2 is characterized in that, the space on the bottom surface on said cover top between the corresponding said conductively-closed element is set with dividing plate.
5. radome according to claim 4 is characterized in that, said cover top is provided with hole clipping, and said dividing plate is provided with locator card, and said locator card is fastened in the said hole clipping, and locator card around weld together with the hole clipping side.
6. electronic installation with radome; It is characterized in that; Comprise a printed circuit board (PCB), be fixedly installed on the electronic component on the said printed circuit board surface, and be fixedly connected on being used on the said printed circuit board (PCB) shield said electronic component like the arbitrary described radome of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120219731 CN202121925U (en) | 2011-06-27 | 2011-06-27 | Shielding case and electronic apparatus with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120219731 CN202121925U (en) | 2011-06-27 | 2011-06-27 | Shielding case and electronic apparatus with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202121925U true CN202121925U (en) | 2012-01-18 |
Family
ID=45462959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120219731 Expired - Lifetime CN202121925U (en) | 2011-06-27 | 2011-06-27 | Shielding case and electronic apparatus with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202121925U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102612307A (en) * | 2012-03-12 | 2012-07-25 | 惠州Tcl移动通信有限公司 | Easily-welded shielding cover |
| CN104206045A (en) * | 2012-04-06 | 2014-12-10 | Tdk株式会社 | Shield case and electronic apparatus |
| CN105517328A (en) * | 2015-12-28 | 2016-04-20 | 广东欧珀移动通信有限公司 | Structural member and circuit board |
| WO2021218441A1 (en) * | 2020-04-30 | 2021-11-04 | 华为技术有限公司 | Shielding cover and electronic device |
-
2011
- 2011-06-27 CN CN 201120219731 patent/CN202121925U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102612307A (en) * | 2012-03-12 | 2012-07-25 | 惠州Tcl移动通信有限公司 | Easily-welded shielding cover |
| CN102612307B (en) * | 2012-03-12 | 2016-04-13 | 惠州Tcl移动通信有限公司 | One easily welds radome |
| CN104206045A (en) * | 2012-04-06 | 2014-12-10 | Tdk株式会社 | Shield case and electronic apparatus |
| CN104206045B (en) * | 2012-04-06 | 2017-05-24 | Tdk株式会社 | Shield case and electronic apparatus |
| CN105517328A (en) * | 2015-12-28 | 2016-04-20 | 广东欧珀移动通信有限公司 | Structural member and circuit board |
| WO2021218441A1 (en) * | 2020-04-30 | 2021-11-04 | 华为技术有限公司 | Shielding cover and electronic device |
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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: 20120118 |