CN201266676Y - Mobile phone antenna and mobile phone - Google Patents
Mobile phone antenna and mobile phone Download PDFInfo
- Publication number
- CN201266676Y CN201266676Y CNU2008201098238U CN200820109823U CN201266676Y CN 201266676 Y CN201266676 Y CN 201266676Y CN U2008201098238 U CNU2008201098238 U CN U2008201098238U CN 200820109823 U CN200820109823 U CN 200820109823U CN 201266676 Y CN201266676 Y CN 201266676Y
- Authority
- CN
- China
- Prior art keywords
- antenna
- mobile phone
- antenna body
- feed pin
- plane
- 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
Links
Images
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
- Support Of Aerials (AREA)
Abstract
The utility model discloses a mobile phone antenna and a mobile phone comprising the antenna. The mobile phone antenna comprises a first antenna part and a second antenna part. The first antenna part includes a first antenna body and a first feeding pin electrically connected with the first antenna body, which is positioned in a first plane; and the second antenna part includes a second antenna body, a second feeding pin electrically connected with the second antenna body and a grounding pin electrically connected with the second antenna body which is in a second plane perpendicular to the first plane. The mobile phone antenna and the mobile phone disclosed adopt the antenna structure with the combination of two antennae, thus bringing convenience to the debugging of high-frequency and low-frequency sections and saving the space occupied by antennas antennae.
Description
Technical field
The utility model relates to antenna technology, the mobile phone that relates in particular to a kind of antenna structure of mobile phole and comprise this antenna structure.
Background technology
Mobile phone is current the most popular mobile terminal device, becomes one of necessity in modern people's life.Antenna for mobile phone is a necessaries of realizing the mobile phone wireless communication function.Also be unique in the mobile phone electrical property components and parts can not be integrated, element that can not repeated application.
Antenna for mobile phone comprises external and built-in two kinds, because advantage such as that built-in antenna has is attractive in appearance, mobile phone is easy to carry, antenna was not fragile when mobile phone fell, thereby is adopted by increasing mobile phone.Built-in antenna of mobile phone relatively more commonly used now at present has two kinds: plane inverse F type (PIFA, PlanarInverted F-shaped Antenna) antenna and one pole (Monopole) antenna.
As everyone knows, these two kinds of antenna low-and high-frequency will be considered coupling and loss between the high frequency region and low frequency range on the antenna body, debug process complexity and poor effect all on an antenna body during debugging.Therefore need a kind ofly be convenient to carry out the low-and high-frequency debugging at present and have the built-in antenna of mobile phone structure of good launching effect.
The utility model content
The purpose of this utility model provides a kind of antenna for mobile phone of being convenient to carry out the low-and high-frequency debugging and having good launching effect.
For achieving the above object, the utility model discloses a kind of antenna for mobile phone, comprise first antenna part and second antenna part.Described first antenna part comprises first antenna body and the first feed pin that is electrically connected with first antenna body, and described first antenna body is positioned at first plane; Described second antenna part comprises second antenna body, the second feed pin that is electrically connected with second antenna body and the grounding leg that is electrically connected with second antenna body, and described second antenna body is positioned at second plane with first planar quadrature.
The invention also discloses a kind of mobile phone, comprise above-mentioned antenna for mobile phone.
Antenna for mobile phone disclosed in the utility model and mobile phone adopt two kinds of antenna structures that antenna combines, and are convenient to the debugging of high band and low-frequency range, and have saved the antenna occupation space.
Description of drawings
Fig. 1 is the perspective diagram of the antenna for mobile phone of an embodiment of the present utility model;
Fig. 2 is the antenna body expanded view of an embodiment of the present utility model;
Fig. 3 is the return loss plot of an embodiment of the present utility model;
Fig. 4 is the return loss plot of another embodiment of the present utility model.
Embodiment
To describe embodiment of the present utility model in detail below, the example of described embodiment is shown in the drawings, and wherein, identical or similar label is represented identical or similar elements.Below by with reference to the accompanying drawings, the utility model is described, this only is used to explain the utility model, and can not be interpreted as restriction of the present utility model.
Need to prove that in description of the present utility model, term " first ", " second " etc. only are descriptions of the present utility model for convenience, and can not be interpreted as restriction of the present utility model.
The utility model proposes and a kind ofly combine and the antenna structure of mobile phole that constitutes by two kinds of dissimilar antennas.Low-and high-frequency is carried out impedance matching respectively with the antenna body of two dissimilar antennas.
Be illustrated in figure 1 as the perspective diagram of the antenna for mobile phone of an embodiment of the present utility model.This antenna for mobile phone comprises first antenna part and second antenna part.
First antenna part comprises first antenna body and the first feed pin 4 that is electrically connected with first antenna body, and described first antenna body is arranged in first plane (top surface of Fig. 1).As shown in Figure 1, according to an example of the present utility model, first planar quadrature is in the plane at cell phone mainboard 8 places.
Second antenna part comprises second antenna body 5, the second feed pin 7 that is electrically connected with second antenna body 5 and the grounding leg 6 that is electrically connected with second antenna body 5, and described second antenna body 5 is arranged in second plane (side surface of Fig. 1) with first planar quadrature.
As an embodiment of the present utility model, the first feed pin 4 and the second feed pin 7 are electrically connected with the signal end of cell phone mainboard 8, and the grounding leg 6 of second antenna part is electrically connected with the ground end of cell phone mainboard 8.
In embodiment of the present utility model, two antenna bodies lay respectively on two vertical planes, can reduce the loss that electric field stack each other produces like this so that the electric field of two antenna body generations is mutually orthogonal.
Need to prove, electrical connection can comprise coupling of direct connection, capacitive and inductive coupled or the like multiple connected mode, be directly to connect between the antenna various piece shown in the accompanying drawing of the present utility model, in actual applications, also can adopt other connected mode.
The first feed pin 4 can be formed and the plane (for example plane at cell phone mainboard 8 places among Fig. 1) at its place is parallel to described second plane by sheet metal.
As shown in Figure 1, first antenna body can form U-shaped, and wherein one of two ends of the first feed pin 4 and the open side of first antenna body of U-shaped link to each other.For example, as shown in Figure 1, described U-shaped antenna body comprises first 1, second portion 2 and the third part 3 that is electrically connected successively, wherein first 1 and third part 3 are two sidepieces of U-shaped antenna body, and second portion 2 is the bottom of U-shaped antenna body, and the first feed pin 4 of first antenna part is electrically connected with the free end of third part 3.
In addition, as shown in Figure 1, second antenna body 5 can be rectangle.
In the utility model, first antenna part can be regarded one pole (Monopole) antenna as.Unipole antenna has only a pin, is used as the feed pin.Antenna body is unsettled, needs certain headroom district, in the headroom district metal device can not be arranged.Unipole antenna has bandwidth preferably.Because unipole antenna needs certain headroom district, therefore first plane, antenna body place and cell phone mainboard 8 edges are at a distance of certain distance.
As the example of the utility model embodiment, the second feed pin 7 and described grounding leg 6 are positioned at the same plane that is parallel to first plane; The distance of second antenna body and cell phone mainboard 8 is less than the distance of first antenna body and cell phone mainboard 8.As shown in Figure 1, the plane at described second feed pin 7 and described grounding leg 6 places is positioned near cell phone mainboard 8 and the plane vertical with described cell phone mainboard 8.The outer edge of the first 1 of the second antenna body plane, 5 place and first antenna is in same plane.So both guarantee the headroom district of first antenna, also saved the whole shared space of antenna.
As shown in Figure 1, the described second feed pin 7 directly links to each other with the free end of the described first feed pin 4 with the free end of described grounding leg 6 contiguous described first feed pin 4 and the described second feed pin 7.Can avoid in order to connect the first feed pin and the second feed pin lead-in conductor in addition like this, save material and avoided unnecessary interference.
As depicted in figs. 1 and 2, described second antenna body 5 constitutes the shape of falling F with described second feed pin 7 and described grounding leg 6, thereby the similar of second antenna part is in the structure of plane inverse F type (PIFA) antenna.
Planar inverted F-shape antenna (PIFA) is owing to the English alphabet " F " of a shape picture mirror writing of entire antenna is gained the name.Its basic structure is to adopt a planar radiation unit as radiant body, and with a big ground as reflecting surface, two pins adjacent to each other are arranged on the radiant body, be respectively applied for ground connection and as the feedback point.Second antenna part among the utility model embodiment has the antenna body structure similar to the PIFA antenna, but need not ground in parallel to be set as reflecting surface as the PIFA antenna.
Be illustrated in figure 2 as the antenna expanded view of an embodiment of the utility model.As an embodiment of the present utility model, the first feed pin 4 directly links to each other with first antenna body, and the second feed pin 7 directly links to each other with second antenna body with grounding leg 6, and the first feed pin 4 directly links to each other with the free end of the second feed pin 7.But the utility model is not limited to this, for example, also can adopt other electric connection mode, as capacitive coupling or inductive coupled or the like.
As an embodiment of the present utility model, antenna body and each pin are made by sheet metal or other electric-conductors.
As an embodiment of the present utility model, in the low frequency frequency range, for example the 850M frequency range is mainly born radiation function by the first 1 and the third part 3 of first antenna body.
As an embodiment of the present utility model, in high-frequency band, for example the 1900M frequency range is mainly born radiation function by the first 1 of first antenna body and the coupling of second antenna body 5.
As an embodiment of the present utility model, regulate the first 1 of first antenna body and the length of second antenna body 5, the resonant bandwidth of antenna for mobile phone can be adjusted to the standard of various needs.
Concrete example according to antenna of the present utility model is described below.For example, first antenna part adopts unipole antenna, and first plane, antenna body place and cell phone mainboard 8 edges are at a distance of 7mm.Zone between first plane, antenna body place and the cell phone mainboard constitutes the headroom district that unipole antenna needs.
According to another example of the utility model embodiment, the width of described first 1 is 2mm, and the width of third part 3 is 1.5mm, and length is 43mm.Described rectangle antenna body width is 3mm.The first feed pin, 4 width of described first antenna part are that 2mm, length are 7mm.The second feed pin, 7 width of described second antenna part are that 2mm, length are 7mm, and grounding leg 6 width are that 1mm, length are 7mm.
According to another example of the present utility model, the length of the first 1 of first antenna body is set to 37mm, and the length of second antenna body 5 is set to 21mm, resonant bandwidth can be adjusted to U.S. mark (GSM850, PCS1900), be illustrated in figure 3 as the return loss S11 figure of this embodiment.Abscissa is a frequency among the figure, and ordinate is return loss S11.Return loss S11 receives the decibel expression mode of power that antenna for mobile phone reflects and the ratio of the power of mobile phone radio frequency output output for the mobile phone radio frequency circuit.The power that the more little expression antenna of S11 value receives is many more, and the power that reflects back is more little, and the impedance matching of antenna for mobile phone and mobile phone radio frequency circuit is good more.As shown in Figure 3, antenna resonance occurs at 850M and two frequency ranges of 1900M, has realized U.S. mark.
As another embodiment of the present utility model, the length of the first 1 of first antenna body is set to 31mm, and the length of second antenna body 5 is set to 29mm, resonant bandwidth can be adjusted to Europe superscript (GSM900, DCS1800), be illustrated in figure 4 as the return loss S11 figure of this embodiment.Abscissa is a frequency among the figure, and ordinate is return loss S11.As shown in Figure 4, antenna resonance occurs at 900M and two frequency ranges of 1800M, has realized Europe superscript.
According to the above-mentioned size of the antenna body of embodiment of the present utility model, only be the example of embodiment of the present utility model, should not be construed as restriction of the present utility model.In actual applications, material and the thickness situation according to antenna can be provided with according to demand the size of antenna each several part.
The antenna for mobile phone that embodiment of the present utility model proposes, the antenna structure of two kinds of dissimilar combination of antennas of employing utilizes the position relation of two kinds of antennas and cell phone mainboard different, has saved the antenna occupation space.Embodiment of the present utility model adopts the different piece of antenna to bear the radiation function of high and low frequency respectively, is convenient to debug, and has reduced coupling and loss between high frequency region and the low frequency range.Simultaneously, the antenna that embodiment of the present utility model proposed can be realized various standards easily by regulating the length of some part, and adjustment process is simple.
An embodiment of the present utility model has proposed a kind of mobile phone, comprises above-described antenna for mobile phone.
More than describing only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1, a kind of antenna for mobile phone is characterized in that, comprises first antenna part and second antenna part,
Described first antenna part comprises first antenna body and the first feed pin that is electrically connected with first antenna body, and described first antenna body is positioned at first plane;
Described second antenna part comprises second antenna body, the second feed pin that is electrically connected with second antenna body and the grounding leg that is electrically connected with second antenna body, and described second antenna body is positioned at second plane with first planar quadrature.
According to the described antenna for mobile phone of claim 1, it is characterized in that 2, the plane parallel at the described first feed pin place is in described second plane.
According to the described antenna for mobile phone of claim 1, it is characterized in that 3, described second feed pin and described grounding leg are positioned at the same plane that is parallel to first plane.
According to the described antenna for mobile phone of claim 1, it is characterized in that 4, described first planar quadrature is in the plane at cell phone mainboard place.
According to the described antenna for mobile phone of claim 1, it is characterized in that 5, described first antenna body is a U-shaped, one of two open side ends of the wherein said first feed pin and described U-shaped first antenna body link to each other.
According to the described antenna for mobile phone of claim 1, it is characterized in that 6, described second antenna body and the described second feed pin and described grounding leg constitute the shape of falling F.
According to the described antenna for mobile phone of claim 1, it is characterized in that 7, described second antenna body is a rectangle.
According to the described antenna for mobile phone of claim 1, it is characterized in that 8, the distance of described second antenna body and cell phone mainboard is less than the distance of described first antenna body and cell phone mainboard.
According to the described antenna for mobile phone of claim 1, it is characterized in that 9, the described second feed pin directly links to each other with the free end of the described first feed pin with the free end of contiguous described first feed pin of described grounding leg and the described second feed pin.
10, a kind of mobile phone is characterized in that, comprises each described antenna for mobile phone according to claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201098238U CN201266676Y (en) | 2008-08-18 | 2008-08-18 | Mobile phone antenna and mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201098238U CN201266676Y (en) | 2008-08-18 | 2008-08-18 | Mobile phone antenna and mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201266676Y true CN201266676Y (en) | 2009-07-01 |
Family
ID=40833052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201098238U Expired - Fee Related CN201266676Y (en) | 2008-08-18 | 2008-08-18 | Mobile phone antenna and mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201266676Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437407A (en) * | 2010-09-08 | 2012-05-02 | 阿尔卑斯电气株式会社 | Antenna device |
| CN107623891A (en) * | 2013-11-11 | 2018-01-23 | Gn瑞声达A/S | Audiphone with Hearing aid assembly |
-
2008
- 2008-08-18 CN CNU2008201098238U patent/CN201266676Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437407A (en) * | 2010-09-08 | 2012-05-02 | 阿尔卑斯电气株式会社 | Antenna device |
| CN107623891A (en) * | 2013-11-11 | 2018-01-23 | Gn瑞声达A/S | Audiphone with Hearing aid assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7136025B2 (en) | Dual-band antenna with low profile | |
| CN101106211B (en) | Dual loop multi-frequency antenna | |
| JP5777885B2 (en) | Multi-band built-in antenna | |
| US20120287001A1 (en) | Multi-band monopole antenna for a mobile communications device | |
| CN105977634B (en) | A kind of LTE Whole frequency band antenna structure of mobile phole | |
| US7768460B2 (en) | Multi-band antenna | |
| EP1750323A1 (en) | Multi-band antenna device for radio communication terminal and radio communication terminal comprising the multi-band antenna device | |
| CN103199342B (en) | Plane printed antenna for mobile terminal considering clearance zone area and multi-frequency-band covering | |
| CN101388494B (en) | Multi-antenna integrated module | |
| CN101981754A (en) | Built-in antenna for supporting impedance matching for multiband | |
| KR20060100158A (en) | The small broadband monopole antenna having the perpendicular ground plane with electromagnetically coupled feed | |
| TWI446626B (en) | Wideband antenna for mobile communication | |
| TWI747538B (en) | Antenna system | |
| US7642984B2 (en) | Antenna for a wireless personal area network | |
| KR100915788B1 (en) | Dvb-h antenna | |
| CN101505000A (en) | Multi-frequency band antenna and wireless communication terminal using the same | |
| TWI413298B (en) | Ultra wideband antenna | |
| CN201266676Y (en) | Mobile phone antenna and mobile phone | |
| KR20020065811A (en) | Printed slot microstrip antenna with EM coupling feed system | |
| KR100873441B1 (en) | Slot antenna | |
| US8081136B2 (en) | Dual-band antenna | |
| CN101242034B (en) | Small multi-frequency antenna | |
| CN104425886A (en) | Antenna apparatus and wireless transceiver | |
| KR101155266B1 (en) | loop antenna for mobile communication terminals | |
| KR101218718B1 (en) | Diversity antenna device and mobile using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20150818 |
|
| EXPY | Termination of patent right or utility model |