CN203071232U - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN203071232U CN203071232U CN 201320045214 CN201320045214U CN203071232U CN 203071232 U CN203071232 U CN 203071232U CN 201320045214 CN201320045214 CN 201320045214 CN 201320045214 U CN201320045214 U CN 201320045214U CN 203071232 U CN203071232 U CN 203071232U
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- China
- Prior art keywords
- antenna
- metal device
- portable terminal
- antenna body
- 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 - Lifetime
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Abstract
The utility model discloses a mobile terminal, including an antenna unit and a metal device, wherein the antenna unit comprises a chip antenna body, an antenna earth point and an antenna feed point. For a metal device far from the antenna earth point, one end of the metal device is connected with the antenna body, while the other end of the metal device is not electrically connected with an equivalent ground terminal of the mobile terminal, so the metal the device is equivalent to a part of the antenna body; or, for a metal device antenna close to the antenna earth point, one end of the metal device is electrically connected with the antenna body, while the other end of the metal device is electrically connected with the equivalent ground terminal of the mobile terminal, so the metal device directly replaces and is equivalent to the antenna earth point. According to the utility model, since the metal device and the antenna unit are arranged to be connected, the metal device becomes a part of the antenna unit, so interference of the metal device in signal transmission and reception of antennas is effectively avoided, performances of the antennas are improved, and a requirement for a small antenna clearance area is met.
Description
Technical field
The utility model relates to the communications field, particularly relates to a kind of portable terminal.
Background technology
In the existing portable terminal, be provided with antenna assembly usually, be used for receiving and sending radiofrequency signal, communicate with the external world.Antenna assembly comprises antenna body, antenna ground point and antenna feed point, antenna body is connected with antenna ground point, antenna feed point one, and antenna ground point is electrically connected with the end equivalently of described portable terminal, and the antenna chip in antenna feed point and the portable terminal on the main circuit pcb board is electrically connected.Portable terminal inside has the setting of some metal components and parts usually, and in order to guarantee that antenna sends and receive the superperformance of signal, usually antenna assembly and the metal components and parts around it to be spaced a distance, make antenna assembly obtain bigger antenna headroom district, thereby avoid metal device to the interference of antenna.Yet along with portable terminal develops towards compact direction, it is very limited that its inner space will become.Also be that the nature performance of portable terminal and the Structural Design Requirement of portable terminal usually can't satisfy simultaneously.
The utility model content
Technical problem to be solved in the utility model is: remedy above-mentioned the deficiencies in the prior art, propose a kind of portable terminal, can improve the performance of antenna, also do not need to increase simultaneously the needed headroom of antenna assembly district.
Technical problem of the present utility model is solved by following technical scheme:
A kind of portable terminal, comprise antenna assembly and metal device, described antenna assembly comprises the chip antenna body, antenna ground point and antenna feed point, described chip antenna body is connected with described antenna ground point, antenna feed point one, described antenna ground point is electrically connected with the end equivalently of described portable terminal, and the antenna chip in described antenna feed point and the described portable terminal on the main circuit pcb board is electrically connected; One end of described metal device is electrically connected with described chip antenna body, the other end of described metal device is not electrically connected with the end equivalently of described portable terminal, and the minimum distance of the described chip antenna body of described metal device distance is smaller or equal to 5mm, and the minimum distance of the described antenna ground point of distance is greater than 5mm.
Technical problem of the present utility model is solved by following further technical scheme:
A kind of portable terminal, comprise antenna assembly and metal device, described antenna assembly comprises chip antenna body and antenna feed point, and described chip antenna body is connected with described antenna feed point one, and the antenna chip in described antenna feed point and the described portable terminal on the main circuit pcb board is electrically connected; Described metal device substitutes the antenna ground point of described antenna assembly, and namely an end of described metal device is electrically connected with described chip antenna body, and the other end of described metal device is electrically connected with the end equivalently of described portable terminal; And the minimum distance of position of antenna ground point is set smaller or equal to 5mm in the described antenna assembly of described metal device distance originally.
The beneficial effect that the utility model is compared with the prior art is:
Portable terminal of the present utility model, by antenna assembly middle distance antenna body is nearer, but apart from antenna ground point far away metal device be connected with antenna body, make metal device can equivalent be considered as the part of antenna body, perhaps, the direct alternate antenna earth point of the metal device that antenna assembly middle distance antenna ground point is nearer, be connected with antenna body, make metal device equivalence be considered as the antenna ground point, thereby the interference in the time of can effectively avoiding metal device to the antenna transmitting and receiving signal is conducive to improve antenna performance.Because metal device becomes a part or the antenna ground point of antenna body, then needn't require antenna assembly and the metal components and parts around it to be spaced a distance, antenna headroom district is less also can to meet the demands.Also be portable terminal of the present utility model, can either improve the performance of antenna, do not need to increase the needed headroom of antenna assembly district again, can when guaranteeing the nature performance, make portable terminal satisfy compact Structural Design Requirement.
Description of drawings
Fig. 1 is the structural representation of the portable terminal in the utility model embodiment one;
Fig. 2 is antenna body in the utility model embodiment one and the connection diagram of metal device;
Fig. 3 is antenna body in the utility model embodiment two and the connection diagram of metal device.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the utility model is described in further details.
Embodiment one
As shown in Figure 1, be the structural representation of the portable terminal of this embodiment.As shown in Figure 2, be the connection diagram of antenna body and metal device in the portable terminal of this embodiment.Portable terminal comprises antenna assembly and metal device.Antenna assembly shown in Fig. 1 is respectively Wireless Fidelity (Wireless Fidelity abbreviates WiFi as) and Bluetooth antenna device 101, gps antenna device 102 and main antenna device 103.Four screws 201,202,203 and 204 of the performance fixed structure effect on around metal device is respectively and is arranged in the mobile terminal case.
Wherein, be the example explanation with the Bluetooth antenna device, as shown in Figure 2, antenna assembly 101 comprises chip antenna body 1011, antenna ground point 1013 and antenna feed point 1012.Chip antenna body 1011 is connected with antenna ground point 1013, antenna feed point 1012 one, antenna ground point 1013 is electrically connected with the (not shown) of end equivalently of portable terminal, and the antenna chip in antenna feed point 1012 and the portable terminal on the main circuit pcb board (not shown) is electrically connected.One end of screw 201 is electrically connected with chip antenna body 1011, the other end of screw 201 is not electrically connected with the end equivalently of portable terminal, and screw 201 apart from the minimum distance of chip antenna body 1011 smaller or equal to 5mm, apart from the minimum distance of antenna ground point 1013 greater than 5mm.Particularly, chip antenna body 1011 extends a predeterminable range, is welded to connect by extended part and screw.Certainly, can also adopt alternate manner to be electrically connected, not be defined as and be welded to connect.
Because antenna receive to send radiofrequency signal, make the screw equivalence in the connection be considered as the part of antenna body, so require the metal device that connects to be electrically connected with end equivalently.It should be noted that, remove screw applicable to outside connecting in the scheme, all the other meet status requirement (apart from the minimum distance of chip antenna body smaller or equal to 5mm, apart from the minimum distance of antenna ground point greater than 5mm) and meet and be electrically connected and require (end is not electrically connected with end equivalently), material is the device of metal material, such as metal key-press of portable terminal inside etc., also improve antenna performance applicable to being connected with the chip antenna body in the scheme.
Usually, in portable terminal inside, in order to guarantee stability of structure, usually need be around portable terminal, especially drivescrew in four corners guarantees structural reliability with this.And antenna assembly generally also is distributed in corner regions all around.Except screw, the metal device of metal materials such as the button that around antenna assembly, also can distribute.In the prior art, these metal devices are not connected with antenna body, and are independent of one another, when the outside radiation signal of antenna body, metal devices such as screw from antenna body very close to, a part of emittance that therefore tends to be coupled has influenced the efficient of antenna to other frequency range.And in order to ensure antenna efficiency, tend to make interval one determining deviation between antenna and the screw, increase the clear space of antenna, thereby guarantee antenna efficiency, but such setting has hindered the miniaturization of portable terminal again.Portable terminal in this embodiment, the wherein metal device electrical connection that is connected with end equivalently around antenna body and its, not only metal device can be to the aerial signal absorption that is coupled, and because metal device is electrically connected with antenna, the device of metal material also can carry out the signal radiation, then metal device can equivalence be considered as the part of antenna body, thereby has increased the antenna return flow path, is conducive to improve antenna performance.And because after being electrically connected, metal device becomes the part of antenna body, then needn't require antenna body and the metal components and parts around it to be spaced a distance, antenna headroom district is less also can to meet the demands.
In sum, portable terminal of the present utility model has become favourable influence with metal devices such as screws to the adverse effect of antenna performance on the one hand, has effectively improved antenna performance; On the other hand, taken full advantage of the shared space of metal devices such as screw, metal devices such as screw are converted into the part of antenna body, thereby when guaranteeing antenna performance, do not need to take too large space as the headroom district of antenna, be conducive to antenna reducing of required area when arranging is installed, be conducive to the lightening structural design of portable terminal.Be portable terminal of the present utility model, can improve the performance of antenna, simultaneously also do not need to increase the needed headroom of antenna assembly district, make the portable terminal can be lightening as much as possible.
Embodiment two
This embodiment is with the difference of execution mode one: be at the nearer metal device in distance antenna ground point position in this embodiment, directly with the antenna ground point in the metal device alternate antenna device, metal device one end is electrically connected with the chip antenna body, and the other end is electrically connected with the end equivalently of portable terminal.And embodiment one is at distance antenna ground point position metal device far away, metal device is electrically connected with antenna body, but is not electrically connected with end equivalently, and being that metal device is equivalent is the part of antenna body.
In this embodiment, portable terminal comprises antenna assembly and metal device.The position of antenna assembly arranges and forms, and with identical in the embodiment one, does not repeat at this.Metal device also with embodiment one in identical, for example can be metal key-press or the screw of portable terminal inside.
As shown in Figure 3, be the connection diagram of antenna body and metal device in this embodiment portable terminal.Antenna assembly comprises chip antenna body 3011 and antenna feed point 3012.Chip antenna body 3011 is connected with antenna feed point 1012 one, and the antenna chip in antenna feed point 3012 and the portable terminal on the main circuit pcb board (not shown) is electrically connected.One end of screw 401 is electrically connected with chip antenna body 3011, the other end of screw 401 is electrically connected (not shown) with the end equivalently of portable terminal, and screw 401 apart from the minimum distance of the position that antenna ground point originally is set in the antenna assembly smaller or equal to 5mm.
Because day linear a reception sends a radiofrequency signal, make the screw equivalent substitute antenna ground point in the connection, so metal device one end that requires to connect is connected with antenna body, the other end is electrically connected with holding equivalently.It should be noted that, remove screw applicable to outside connecting in the scheme, all the other meet status requirement (distance originally arranges the minimum distance of position of antenna ground point smaller or equal to 5mm) and meet and be electrically connected and require (end with hold equivalently be electrically connected), material is the device of metal material, such as metal key-press of portable terminal inside etc., also applicable in the scheme, be connected with the chip antenna body behind the alternate antenna earth point, thereby improve antenna performance.
In the prior art, antenna assembly comprises antenna body, antenna ground point and antenna feed point.Being arranged on antenna ground point metal device on every side is not connected with antenna body, independently of one another, when the outside radiation signal of antenna body, metal devices such as screw from antenna body very close to, therefore tend to be coupled a part of emittance to other frequency range, influenced the efficient of antenna.And in order to ensure antenna efficiency, tend to make interval one determining deviation between antenna and the screw, increase the clear space of antenna, thereby guarantee antenna efficiency, but such setting has hindered the miniaturization of portable terminal again.Portable terminal in this embodiment, metal device one end that wherein arranges around the antenna ground point position is connected with antenna body, and the other end is connected with holding equivalently, thereby can save the antenna ground point, by metal device alternate antenna earth point.Like this, metal device becomes the part of antenna assembly, and metal device can not make metal device become favourable influence to the adverse effect of antenna performance, thereby be conducive to improve antenna performance the aerial signal absorption that is coupled.And because metal device becomes the part of antenna assembly, then needn't require antenna body and the metal components and parts around it to be spaced a distance, antenna headroom district is less also can to meet the demands.Namely reach the performance that to improve antenna, also do not needed to increase simultaneously the purpose in the needed headroom of antenna assembly district.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, make some substituting or obvious modification under the prerequisite of the utility model design not breaking away from, and performance or purposes are identical, all should be considered as belonging to protection range of the present utility model.
Claims (7)
1. portable terminal, comprise antenna assembly and metal device, described antenna assembly comprises the chip antenna body, antenna ground point and antenna feed point, described chip antenna body is connected with described antenna ground point, antenna feed point one, described antenna ground point is electrically connected with the end equivalently of described portable terminal, and the antenna chip in described antenna feed point and the described portable terminal on the main circuit pcb board is electrically connected; It is characterized in that: an end of described metal device is electrically connected with described chip antenna body, the other end of described metal device is not electrically connected with the end equivalently of described portable terminal, and the minimum distance of the described chip antenna body of described metal device distance is smaller or equal to 5mm, and the minimum distance of the described antenna ground point of distance is greater than 5mm.
2. portable terminal according to claim 1, it is characterized in that: described chip antenna body extends a predeterminable range, is welded to connect by described extended part and described metal device.
3. portable terminal according to claim 1, it is characterized in that: described metal device is metal key-press or the screw of described portable terminal inside.
4. portable terminal according to claim 1, it is characterized in that: described chip antenna body is GSM chip antenna body, bluetooth chip antenna body, WiFi chip antenna body or GPS chip antenna body.
5. portable terminal, comprise antenna assembly and metal device, described antenna assembly comprises chip antenna body and antenna feed point, and described chip antenna body is connected with described antenna feed point one, and the antenna chip in described antenna feed point and the described portable terminal on the main circuit pcb board is electrically connected; It is characterized in that: described metal device substitutes the antenna ground point of described antenna assembly, and namely an end of described metal device is electrically connected with described chip antenna body, and the other end of described metal device is electrically connected with the end equivalently of described portable terminal; And the minimum distance of position of antenna ground point is set smaller or equal to 5mm in the described antenna assembly of described metal device distance originally.
6. portable terminal according to claim 5, it is characterized in that: described metal device is metal key-press or the screw of described portable terminal inside.
7. portable terminal according to claim 5, it is characterized in that: described chip antenna body is GSM chip antenna body, bluetooth chip antenna body, WiFi chip antenna body or GPS chip antenna body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320045214 CN203071232U (en) | 2013-01-28 | 2013-01-28 | Mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320045214 CN203071232U (en) | 2013-01-28 | 2013-01-28 | Mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203071232U true CN203071232U (en) | 2013-07-17 |
Family
ID=48769986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320045214 Expired - Lifetime CN203071232U (en) | 2013-01-28 | 2013-01-28 | Mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203071232U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019000607A1 (en) * | 2017-06-28 | 2019-01-03 | 深圳市沃特沃德股份有限公司 | Pet wearable device |
| CN112799108A (en) * | 2021-04-13 | 2021-05-14 | 成都迅翼卫通科技有限公司 | Satellite direction positioning method and system applied to satellite communication mode |
-
2013
- 2013-01-28 CN CN 201320045214 patent/CN203071232U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019000607A1 (en) * | 2017-06-28 | 2019-01-03 | 深圳市沃特沃德股份有限公司 | Pet wearable device |
| CN112799108A (en) * | 2021-04-13 | 2021-05-14 | 成都迅翼卫通科技有限公司 | Satellite direction positioning method and system applied to satellite communication mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| CX01 | Expiry of patent term |