CN206807502U - A kind of mainboard and mobile communication equipment - Google Patents
A kind of mainboard and mobile communication equipment Download PDFInfo
- Publication number
- CN206807502U CN206807502U CN201720585060.3U CN201720585060U CN206807502U CN 206807502 U CN206807502 U CN 206807502U CN 201720585060 U CN201720585060 U CN 201720585060U CN 206807502 U CN206807502 U CN 206807502U
- Authority
- CN
- China
- Prior art keywords
- mobile communication
- mainboard
- communication equipment
- antenna
- driving chip
- 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 - Fee Related
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Abstract
The utility model discloses a kind of mainboard of mobile communication equipment, the mainboard includes printed circuit board (PCB), the antenna and driving chip being connected respectively on the printed circuit board (PCB), the driving chip is arranged on the adjacent domain of the antenna, conductive material cover is coated with the driving chip, the conductive material cover is connected to the ground terminal of the mobile communication equipment.The invention also discloses a kind of mobile communication equipment, including mainboard as described above and the touch screen that is connected with the mainboard.The utility model coats the conductive material cover of one layer of ground connection by the driving chip periphery on the mainboard, the antenna of the neighbouring driving chip is enabled to shield the signal of the driving chip radiation by the conductive material cover, interference signal is led into ground terminal, avoid the antenna from being interfered, and reduce the sensitivity of antenna.
Description
Technical field
It the utility model is related to electronics field, more particularly to a kind of mainboard and mobile communication equipment.
Background technology
With the continuous development of mobile phone industry, in order to easy to carry and for aesthetic purpose, people are intended to pursue
Mobile phone it is lightening, result in that the inner space of mobile phone is less and less, so as to cause the antenna in mobile phone and various devices it
Between Distance Shortened, antenna easily disturbed by from device, influences its sensitivity.
In particular, because the integrated circuit of driving chip is used to transmit high-speed digital signal, the driving chip gives off
Signal will disturb the signal of the antenna being disposed adjacent with driving chip, be mobile phone so as to influence the receiving sensitivity of antenna
Antenna Design bring problem.
Utility model content
In view of the deficiencies in the prior art, the utility model provides a kind of mainboard and mobile communication equipment, by driving
Chip outer cladding layer of conductive material cover, and the conductive material cover is grounded, so as to shield the driving chip to antenna
Interference.
To achieve these goals, the utility model takes following technical scheme：
A kind of mainboard of mobile communication equipment, the mainboard include printed circuit board (PCB), are connected respectively to the printed circuit
Antenna and driving chip on plate, the driving chip are arranged on the adjacent domain of the antenna, wrapped on the driving chip
Conductive material cover is covered with, the conductive material cover is connected to the ground terminal of the mobile communication equipment.
Preferably, the mobile communication equipment includes touch screen, and the driving chip is connected with the touch screen, for driving
Move the touch screen.
Preferably, the antenna is gps antenna.
Preferably, the conductive material cover is conductive fabric.
Preferably, the mobile communication equipment also includes metal front, and the conductive material cover connects with the metal front
Connect.By the way that the conductive material cover is connected on metal front, the ground connection performance of the conductive material cover is further improved,
Lift shield effectiveness.
Preferably, the metal front is magnesium alloy fore shell.Magnesium alloy has good electric conductivity, is advantageous to be lifted
The shield effectiveness of the conductive fabric.
Preferably, Lu Tong areas are additionally provided with the printed circuit board (PCB), the conductive material cover is connected with the Lu Tong areas.
By the way that the conductive material cover is connected in the Lu Tong areas, the ground connection property of the conductive material cover is further improved
Can, lift shield effectiveness.
Preferably, the antenna includes feed point shell fragment, and the antenna is connected to the printing by the feed point shell fragment
Circuit board, the feed point shell fragment are adjacent with the driving chip.
The utility model additionally provides a kind of mobile communication equipment, including mainboard as described above and connects with the mainboard
The touch screen connect.
A kind of mainboard and mobile communication equipment provided by the utility model, by coating one in the periphery of the driving chip
The conductive material cover of layer ground connection so that the antenna of the neighbouring driving chip can rely on the conductive material cover to shield the driving
The signal of chip radiation, leads to ground terminal by interference signal, avoids the antenna from being interfered, reduce the sensitivity of the antenna.
Brief description of the drawings
Fig. 1 is the structured flowchart for the mobile communication equipment that the utility model embodiment provides；
Fig. 2 is the structural representation for the mobile communication equipment that the utility model embodiment provides.
Embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings to the utility model
Embodiment be described in detail.The example of these preferred embodiments is illustrated in the accompanying drawings.Institute in accompanying drawing
Show what is be merely exemplary with the embodiment of the present utility model described with reference to the accompanying drawings, and the utility model is not limited to this
A little embodiments.
Here, it should also be noted that, in order to avoid having obscured the utility model because of unnecessary details, in the accompanying drawings
It illustrate only and according to scheme of the present utility model closely related structure and/or processing step, and eliminate and this practicality
The little other details of new relationship.
As shown in fig.1, the utility model provides a kind of mobile communication equipment, the mobile communication equipment includes this reality
With a kind of mainboard of new offer, the mainboard includes printed circuit board (PCB) 1, the day being connected respectively on the printed circuit board (PCB) 1
Line 2 and driving chip 3, the driving chip 3 are integrated circuit (Integrated Circuit, IC) chip.The driving
Chip 3 is arranged on the adjacent domain of the antenna 2, and conductive material cover 4, the conductive material are coated with the driving chip 3
Cover 4 is connected to the ground terminal of the mobile communication equipment.
Specifically, the mobile communication equipment includes touch screen, and the driving chip 3 is connected with the touch screen, is used for
Drive the touch screen.
More specifically, the antenna is gps antenna, and the conductive material cover 4 is conductive fabric.
Mobile phone is as the representative equipment in mobile communication equipment, in most of mobile phone of current main flow, the drive of touch screen
Dynamic chip 3 is all located in the adjacent domain position of gps antenna, and the driving chip 3 of touch screen transmits the data signal of high speed,
These signals radiated can interfere to the signal of the gps antenna, influence the sensitivity of the gps antenna.And this
In embodiment, exemplarily, by the periphery coated with conductive cloth of the driving chip 3 in the touch screen, and by the conductive fabric
The ground terminal of mobile phone is connected to, the interference signal that the driving chip 3 of the touch screen radiates can be shielded, these interference signals are guided into institute
The ground terminal of mobile phone is stated, protects the gps antenna interference-free.
It is shown referring to Figures 1 and 2, it is necessary to explanation, the present embodiment provide the mobile communication equipment in, it is described
Dotted box portion represents that in practical situations both, the gps antenna is located at the printed circuit board (PCB) 1 not with the driving chip 3
On coplanar.
The present embodiment is by will be coated with the gps antenna of the conductive fabric of above-mentioned ground connection and do not have but under equal conditions
The gps antenna of conductive fabric cladding carries out the total omnidirectional sensitivity (Total of antenna as two groups of test objects
Isotropic Sensitivity, TIS) test.As a result display is coated with the total complete of the gps antenna of the conductive fabric of the ground connection
It is about -141dBm to sensitivity, the total omnidirectional sensitivity without the gps antenna of conductive fabric cladding is about -138dBm.
Gps antenna of the contrast without conductive fabric cladding, the total omnidirectional for being coated with the gps antenna of the conductive fabric of the ground connection are sensitive
Degree improves 3dBm, and under comparable conditions, the efficiency of gps antenna needs one times of lifting to lift 3dBm, it can be seen that this
Embodiment is got up by the conductive fabric cladding for being grounded gps antenna, can play outstanding shielding interference signal effect.
Further, the mobile communication equipment also includes metal front 5, the conductive material cover 4 with before the metal
Shell 5 connects.The present embodiment can further lift the conductive material by the way that the conductive material cover 4 is connected into metal front 5
Cover 4 deflects from interference signal the ability of the driving chip 3, makes the antenna 2 by less interference.
Further, the metal front 5 is magnesium alloy fore shell.Magnesium alloy has good thermal conductivity and against corrosion
Property, and argenteous almag is used as the metal front 5 of mobile communication equipment, can make the gold of the high texture of mobile communication equipment
Belong to outward appearance, improve the experience of user.
Specifically, Lu Tong areas 6, the conductive material cover 4 and the Lu Tong areas 6 are additionally provided with the printed circuit board (PCB) 1
Connection.Similarly, the present embodiment is further improved described by the way that above-mentioned conductive material cover 4 is connected into the Lu Tong areas 6
Conductive material cover 4 deflects from interference signal the ability of the driving chip 3, makes the antenna 2 by less interference.
As shown in fig.2, in the present embodiment, the antenna 2 includes feed point shell fragment 21, and the antenna 2 is by described
Feed point shell fragment 21 is connected to the mainboard 1, and the feed point shell fragment 21 is adjacent with the driving chip 3.
In summary, a kind of mainboard and mobile communication equipment that the present embodiment provides, by the outer of the driving chip 3
Week coats the conductive material cover 4 of one layer of ground connection so that the antenna 2 of the neighbouring driving chip 3 can rely on the conductive material cover 4
The signal that the driving chip 3 radiates is shielded, interference signal is led into ground terminal, avoids the antenna 2 from being interfered, and reduces institute
State the sensitivity of antenna 2.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or equipment institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including institute
State in process, method, article or the equipment of key element and other identical element also be present.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, for these changes and profit
Decorations, also should be regarded as the protection domain of the application.
Claims (9)
1. a kind of mainboard of mobile communication equipment, it is characterised in that the mainboard includes printed circuit board (PCB) (1), is connected respectively to
Antenna (2) and driving chip (3) on the printed circuit board (PCB) (1), the driving chip (3) are arranged on the antenna (2)
Adjacent domain, be coated with conductive material cover (4) on the driving chip (3), the conductive material cover (4) is connected to the shifting
The ground terminal of dynamic communication apparatus.
2. the mainboard of mobile communication equipment according to claim 1, it is characterised in that the mobile communication equipment includes touching
Control screen, the driving chip (3) is connected with the touch screen, for driving the touch screen.
3. the mainboard of mobile communication equipment according to claim 2, it is characterised in that the antenna is gps antenna.
4. the mainboard of mobile communication equipment according to claim 1, it is characterised in that the conductive material cover (4) is to lead
Electric cloth.
5. the mainboard of mobile communication equipment according to claim 1, it is characterised in that the mobile communication equipment also includes
Metal front (5), the conductive material cover (4) are connected with the metal front (5).
6. the mainboard of mobile communication equipment according to claim 5, it is characterised in that the metal front (5) is magnalium
Alloy fore shell.
7. the mainboard of mobile communication equipment according to claim 1, it is characterised in that on the printed circuit board (PCB) (1) also
Lu Tong areas (6) are provided with, the conductive material cover (4) is connected with the Lu Tong areas (6).
8. according to the mainboard of any described mobile communication equipments of claim 1-7, it is characterised in that the antenna (2) includes
There is feed point shell fragment (21), the antenna (2) is connected to the printed circuit board (PCB) (1), the feedback by the feed point shell fragment (21)
Point shell fragment (21) is adjacent with the driving chip (3).
A kind of 9. mobile communication equipment, it is characterised in that including the mainboard as described in claim 1-8 is any and with the master
The touch screen of plate connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585060.3U CN206807502U (en) | 2017-05-24 | 2017-05-24 | A kind of mainboard and mobile communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585060.3U CN206807502U (en) | 2017-05-24 | 2017-05-24 | A kind of mainboard and mobile communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206807502U true CN206807502U (en) | 2017-12-26 |
Family
ID=60742352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720585060.3U Expired - Fee Related CN206807502U (en) | 2017-05-24 | 2017-05-24 | A kind of mainboard and mobile communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206807502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478021A (en) * | 2020-04-09 | 2020-07-31 | 惠州Tcl移动通信有限公司 | Antenna device and mobile terminal |
-
2017
- 2017-05-24 CN CN201720585060.3U patent/CN206807502U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478021A (en) * | 2020-04-09 | 2020-07-31 | 惠州Tcl移动通信有限公司 | Antenna device and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20171226 Termination date: 20200524 |