CN102904006A - Mobile phone - Google Patents
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- CN102904006A CN102904006A CN2011101447841A CN201110144784A CN102904006A CN 102904006 A CN102904006 A CN 102904006A CN 2011101447841 A CN2011101447841 A CN 2011101447841A CN 201110144784 A CN201110144784 A CN 201110144784A CN 102904006 A CN102904006 A CN 102904006A
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Abstract
The invention relates to a mobile phone. The mobile phone comprises a PCB (Printed Circuit Board) and an antenna connected with the PCB, wherein the antenna comprises a dielectric substrate, and a first metallic sheet and a second metallic sheet which are attached to two opposite surfaces of the dielectric substrate; a first feeder is arranged around the first metallic sheet; a second feeder is arranged around the second metallic sheet; the first feeder is fed in the first metallic sheet in a coupling manner; the second feeder is fed in the second metallic sheet in a coupling manner; a first microgroove structure is formed in the first metallic sheet through hollowing so as to form a first metallic wiring structure on the first metallic sheet; a second microgroove structure is formed in the second metallic sheet through hollowing so as to form a second metallic wiring structure on the second metallic sheet; the first feeder is electrically connected with the second feeder; and spaces in which electronic components can be embedded are formed in the antenna in advance. According to the mobile phone, the requirements of the mobile phone antenna on miniaturization, low working frequency, broadband and multimode are met, and a multifunctional new-service platform is provided for the mobile phone.
Description
Technical field
The present invention relates to a kind of mobile device, relate in particular to a kind of mobile phone.
Background technology
Multi-functional, miniaturization reaches the inevitable trend of the direction mobile phone field of mobile communication of low radiation damage, and the performance of antenna for mobile phone receiver radiation signal when determining directly that mobile phone moves, affect the performance of mobile phone communication or transmitting data information, so the fine or not greatly possible decision mobile phone of antenna for mobile phone is at the living space in market.But how under the prerequisite that keeps the necessary radiation efficiency of mobile phone and gain, the size that reduces to greatest extent antenna for mobile phone will be a significant thing.
Existing antenna for mobile phone mainly designs based on the radiation theory of electric monopole or dipole, such as the most frequently used planar inverted-F antenna (PIFA).The Radiation work frequency of above-mentioned antenna directly and the size positive correlation of antenna, the area positive correlation of bandwidth and antenna is so that the design of antenna needs the physical length of half-wavelength usually.This so that above-mentioned designing antenna method when the corresponding antenna of design, be difficult to carry out under its size-constrained prerequisite.
In addition, in some more complicated electronic systems, antenna needs multimode operation, just need to design by the impedance matching network outside the feed antenna forehead.But the increase that impedance matching network is extra the feeder line design of electronic system, increased radio system area simultaneously matching network also introduced many energy losses, be difficult to satisfy the requirement of system design of Modern Communication System low-power consumption.
Summary of the invention
The technical problem to be solved in the present invention is, restriction is difficult to satisfy Modern Communication System low-power consumption, miniaturization and multi-functional designing requirement to existing antenna for mobile phone size based on the physical length of half-wavelength, therefore the invention provides the shake mobile phone of frequency of a kind of low-power consumption, miniaturization and multi resonant.
A kind of mobile phone comprises a pcb board and the antenna that links to each other with pcb board, described antenna comprises medium substrate, be attached to the first sheet metal and second sheet metal on relative two surfaces of medium substrate, be provided with the first feeder line around the first sheet metal, be provided with the second feeder line around the second sheet metal, described the first feeder line is by described the first sheet metal of coupled modes feed-in, described the second feeder line is by described the second sheet metal of coupled modes feed-in, hollow out has the first micro groove structure to form the first metal routing at the first sheet metal on described the first sheet metal, hollow out has the second micro groove structure to form the second metal routing at the second sheet metal on described the second sheet metal, described the first feeder line is electrically connected with the second feeder line, and described antenna is preset with the space that electronic component embeds.
Further, described spatial placement is reaching at least one of these three positions of the first sheet metal between the first feeder line, the first feeder line and the first sheet metal.
Further, described spatial placement is reaching at least one of these three positions of the second sheet metal between the second feeder line, the second feeder line and the second sheet metal.
Further, described spatial placement is on the first metal routing on the first sheet metal, and perhaps described spatial placement is on the first micro groove structure.
Further, described spatial placement is on the second metal routing on the second sheet metal, and perhaps described spatial placement is on the second micro groove structure.
Further, described electronic component is perceptual electronic component, capacitive electronic component or resistance.
Further, described space is the pad that is formed on the described antenna.
Further, the scope of described perceptual electronic component inductance value is between 0-5uH.
Further, the scope of described capacitive electronic component capacitance is between 0-2pF.
Further, described mobile phone also comprises a linkage unit, and described antenna links to each other with pcb board by described linkage unit
In above-mentioned antenna applications mobile phone, the space that embeds by electronic component is set at antenna, can make various optimizations to the transmission circuit coupling of antenna by the performance that changes the electronic component that embeds, design the antenna for mobile phone of the requirement of satisfying adaptability and versatility.In addition, the medium substrate two sides is provided with sheet metal, takes full advantage of the spatial area of antenna, can work under low operating frequency at antenna under this environment, satisfy the requirement of the miniaturization of antenna for mobile phone, low operating frequency, broadband multimode, for multi-functional new business platform is provided on the mobile phone.
Simultaneously, above-mentioned Antenna Construction Design reduces the coupled radiation interference of electronic component around the antenna etc. so that its receiving signal sensitivity further strengthens, and has guaranteed that mobile phone receives complete and electromagnetic wave information accurately.
Description of drawings
Fig. 1 is the side schematic drawing of an embodiment in the mobile phone of the present invention;
Fig. 2 is the stereogram for the antenna of Fig. 1;
Fig. 3 is another visual angle figure of Fig. 2;
Fig. 4 is the structural representation of antenna for mobile phone the first embodiment of the present invention;
Fig. 5 is the structural representation of antenna for mobile phone the second embodiment of the present invention;
Fig. 6 is the structural representation of antenna for mobile phone the 3rd embodiment of the present invention;
Fig. 7 is the structural representation of antenna for mobile phone the 4th embodiment of the present invention;
Fig. 8 is the structural representation of antenna for mobile phone the 5th embodiment of the present invention;
Fig. 9 a is the schematic diagram of complementary opening resonance loop structure;
Fig. 9 b is depicted as the schematic diagram of complementary helix structure;
Fig. 9 c is depicted as the schematic diagram of opening helical ring structure;
Fig. 9 d is depicted as the schematic diagram of two opening helical ring structures;
Fig. 9 e is depicted as the schematic diagram of complementary folding line structure;
Figure 10 a is the derivative schematic diagram of its geometry of complementary opening resonance loop structure shown in Fig. 9 a;
Figure 10 b is the derivative schematic diagram of its expansion of the complementary opening resonance loop structure shown in Fig. 9 a;
Figure 11 a is the structural representation behind three complementary opening resonance loop structures shown in Fig. 9 a compound;
Figure 11 b is the compound schematic diagram that the complementary opening resonance loop structure shown in two Fig. 9 a and Fig. 8 b are depicted as complementary helix structure;
Figure 12 is the structural representation after the complementary opening resonance loop structure group battle array shown in four Fig. 8 a.
Embodiment
Please refer to Fig. 1, side schematic drawing for an embodiment in the mobile phone of the present invention, described mobile phone 10 comprises that one is arranged at pcb board 99 and the antenna 100 in the handset shell (not shown), described antenna 100 links to each other with pcb board 99 by a linkage unit 98, arranges by various electronic component on the wherein said pcb board 99.In the present embodiment, described linkage unit 98 adopts the mode that is spirally connected that described antenna 100 is fixed on the pcb board 99.
As shown in Figures 2 and 3, described antenna 100 comprises medium substrate 1, be attached to the first sheet metal 4 and second sheet metal 7 on medium substrate 1 relative two surfaces, be provided with the first feeder line 2 around the first sheet metal 4, be provided with the second feeder line 8 around the second sheet metal 7, described the first feeder line 2 and the second feeder line 3 are all by coupled modes difference described the first sheet metal 4 of feed-in and the second sheet metal 7, hollow out has the first micro groove structure 41 to form the first metal routing 42 at the first sheet metal on described the first sheet metal 4, hollow out has the second micro groove structure 71 to form the second metal routing 72 at the second sheet metal on described the second sheet metal 7, described the first feeder line 2 is electrically connected with the second feeder line 8, and described antenna 100 is preset with the space 6 that electronic component embeds.This kind design is equivalent to has increased antenna physical length (the physical length size does not increase), so just can design the radio-frequency antenna that is operated under the very low operation frequency in minimum space.Solve the physics limitation of traditional antenna antenna controlled space area when low frequency operation.
Described the first feeder line 2 is electrically connected by the plated-through hole 10 of opening at medium substrate 1 with the second feeder line 8.
Among Fig. 2 to Fig. 8, the part of the first sheet metal cross-hatching is the first metal routing, the blank parts on the first sheet metal (part of hollow out) expression the first micro groove structure.In addition, the first feeder line also represents with hatching.Same, among Fig. 3, the part of the second sheet metal cross-hatching is the second metal routing, the blank parts on the second sheet metal (part of hollow out) expression the second micro groove structure.In addition, the second feeder line also represents with hatching.
Figure 2 shows that the stereogram of antenna for mobile phone of the present invention, Fig. 3 is its another visual angle figure.Comprehensive two figure can find out, the structure of adhering on a surface of medium substrate and the b surface is identical.Namely the first feeder line, the first sheet metal overlap with the second feeder line, the second sheet metal respectively in the projection on b surface.Certainly, this is a preferred scheme, and the surperficial structure from the b surface of a as required also can be different.
The first feeder line 2 arranges to realize signal coupling around the first sheet metal 4.Other the first sheet metal 4 can contact with the first feeder line, also can not contact.When the first sheet metal 4 contacts with the first feeder line 2, inductive coupled between the first feeder line 2 and the first sheet metal 4; When the first sheet metal 4 does not contact with the first feeder line 2, capacitive coupling between the first feeder line 2 and the sheet metal 4.
The second feeder line 8 arranges to realize signal coupling around the second sheet metal 7.Other the second sheet metal 7 can contact with the second feeder line 8, also can not contact.When the second sheet metal 7 contacts with the second feeder line 8, inductive coupled between the second feeder line 8 and the second sheet metal 7; When the second sheet metal 7 does not contact with the second feeder line 8, capacitive coupling between the second feeder line 8 and the second sheet metal 7.
Among the present invention, the first sheet metal of described medium substrate two apparent surfaces can be connected with the second sheet metal, also can not connect.In the first sheet metal and the unconnected situation of the second sheet metal, between described the first sheet metal and the second sheet metal by capacitively coupled mode feed; In such cases, can realize the resonance of the first sheet metal and the second sheet metal by the thickness that changes medium substrate.In the situation that the first sheet metal is electrically connected (for example the form by wire or plated-through hole is connected) with the second sheet metal, between described the first sheet metal and the second sheet metal by inductive coupled mode feed.
Described the first micro groove structure 41 among the present invention and the second micro groove structure 71 can be the micro groove structures a kind of or derivative, compound by several structures in front or that the group battle array obtains in the complementary folding line structure shown in the two opening helical ring structures shown in the opening helical ring structure shown in the complementary helix structure shown in the complementary opening resonance loop structure shown in Fig. 9 a, Fig. 9 b, Fig. 9 c, Fig. 9 d, Fig. 9 e.Derive and be divided into two kinds, a kind of is that geometry is derivative, another kind is that expansion is derivative, and geometry herein is derivative to refer to that function class is derivative, for example derivative to class of a curve structure, triangle class formation and other different polygon class formation by the square frame class formation like, variform structure; Expansion herein is derivative namely offers new groove to form new micro groove structure on the basis of Fig. 9 a to Fig. 9 e; Take the complementary opening resonance loop structure shown in Fig. 9 a as example, Figure 10 a is the derivative schematic diagram of its geometry, and Figure 10 b is the derivative schematic diagram of its geometry.Compound referring to herein, a plurality of stacks of the micro groove structure of Fig. 9 a to Fig. 9 e form a new micro groove structure, shown in Figure 11 a, are the structural representation of the complementary opening resonance loop structure shown in three Fig. 9 a after compound; Shown in Figure 11 b, be that the complementary opening resonance loop structure shown in two Fig. 9 a and Fig. 9 b are depicted as the common structural representation after compound of complementary helix structure.Group battle array herein refers to be formed by the micro groove structure array on same sheet metal shown in a plurality of Fig. 9 a to Fig. 9 e the micro groove structure of an integral body, as shown in figure 12, is the structural representation after a plurality of complementary opening resonance loop structure group battle arrays shown in Fig. 9 a.Below all set forth the present invention as an example of the opening helical ring structure shown in Fig. 9 c example.
The below minute five embodiment introduce the present invention in detail.Should be understood that, among following five embodiment of the present invention, the relative two sides structure of medium substrate is identical, therefore, among following five embodiment, has all only described the structure on medium substrate one surface.
The first embodiment
As shown in Figure 4, in the present embodiment, be preset with the space 51 that embeds perceptual electronic component and/or resistance at the first feeder line 2, the position in default embedding electronic component space can be the optional position on the first feeder line 2, and can have a plurality of.Perceptual electronic component can be embedded, to change the inductance value of the first feeder line 2 in space 51.Using formula:
So square being inversely proportional to of the size of inductance value and operating frequency as can be known is when the operating frequency that needs during for low operating frequency, by suitable embedding inductance or the realization of perceptual electronic component.In the present embodiment, the inductance value range of the perceptual electronic component of adding is between 0-5uH, if thereby too large alternating signal will be had influence on by inductive element consumption the radiation efficiency of antenna.The described antenna of the present embodiment has the good radiation characteristic of a plurality of frequency ranges, almost contained each main communications bands such as GSM, CDMA, TD-LTE, had very high integrated level and can reach the purpose that changes operating frequency of antenna by the inductance value on the first feeder line and the second feeder line is regulated.Certainly, also can be in the space 51 resistance, to improve the radiation resistance of antenna.Certainly, the space on the first feeder line also can be a plurality of, wherein distinguishes embedded resistor and perceptual electronic component, has both realized the adjusting of operating frequency, can improve again the radiation resistance of antenna.The space available wire short circuit that does not add electronic component.The situation of pre-set space is identical with upper art work situation on the second feeder line.
Embodiment two
As shown in Figure 5, in the present embodiment, be preset with the space 53 that embeds the capacitive electronic component between the first feeder line 2 and the first sheet metal 4, the position in default embedding electronic component space can be the optional position between the first feeder line 2 and the first sheet metal 4.Space 53 is the space that embeds the capacitive electronic component in the present embodiment among Fig. 4, itself has certain electric capacity between the first feeder line 2 and the first sheet metal 4, here regulate signal coupling between the first feeder line 2 and the first sheet metal 4, using formula by embedding the capacitive electronic component:
So square being inversely proportional to of the size of capacitance and operating frequency as can be known is when the operating frequency that needs during for low operating frequency, by suitable embedded capacitor or the realization of perceptual electronic component.In the present embodiment, the capacitance scope of the capacitive electronic component of adding is usually between 0-2pF, but the capacitance that embeds along with the variation of operating frequency of antenna also may exceed the scope of 0-2pF.Certainly, also can between the first feeder line 2 and the first sheet metal 4, preset a plurality of spaces.Equally, in not being connected with the space of electronic component, adopt the wire short circuit.Situation and the above-mentioned situation of pre-set space are identical between the second feeder line and the second sheet metal.
Embodiment three
As shown in Figure 6, in the present embodiment, be reserved with the space that embeds perceptual electronic component and/or resistance at the first metal routing 42 of the first sheet metal, the space that embeds electronic component not only is confined to the space 55 and the space 56 that provide among the figure, as long as other positions satisfy condition all can.The purpose that embeds perceptual electronic component herein is the inductance value that increases by the first sheet metal internal resonance structure, thus the effect that resonance frequency and the bandwidth of operation of antenna played adjusting; Identical with embodiment one, the purpose of embedded resistor is to improve the radiation resistance of antenna herein.So to embedding perceptual electronic component or resistance, then decide as required.In not embedding the space of electronic component, adopt the wire short circuit in addition.The situation of headspace is identical with above-mentioned situation on the second metal routing of the second sheet metal.
Embodiment four
As shown in Figure 7, in the present embodiment, be reserved with the space that embeds the capacitive electronic component at the first micro groove structure 41, and described space connects the first metal routing 42 of both sides.The space that embeds electronic component not only limit to Fig. 5 in the space 57 that provides, as long as other positions satisfy condition all can.Embed the resonance performance that the capacitive electronic component can change the first sheet metal, Q value and the resonance working point of finally improving antenna.As common practise, we know, the pass of passband BW and resonance frequency wo and quality factor q is: BW=wo/Q, and this formula shows, and Q is larger, and then passband is narrower, and the less then passband of Q is wider.Other has: Q=wL/R=1/wRC, and wherein, Q is quality factor; Supply frequency when w is circuit resonance; L is inductance; R is the resistance of string; C is electric capacity, and by the Q=wL/R=1/wRC formula as can be known, Q and C are inverse ratio, therefore, can reduce the Q value by adding the capacitive electronic component, and passband is broadened.The situation of headspace is identical with above-mentioned situation on the second micro groove structure.
Embodiment five
As shown in Figure 8, in the present embodiment, the space that electronic component embeds is set all between the first feeder line 2, the first feeder line 2 and the first sheet metal 4 and the first sheet metal 4 these three positions.Wherein, the space on the first sheet metal 4 comprises the space that is arranged on the space on the first metal routing 42 and is arranged on the first micro groove structure 41 and connects the first metal routing 42 of both sides.Particularly, space in the present embodiment comprises the space 61 on the first feeder line 2, space 65 on space 63, the first metal routings 42 between the first feeder line 2 and the first sheet metal 4, the space 67 on 66, the first micro groove structures 41, certainly, the position that provides in the present embodiment is not uniqueness, in the present embodiment, adds electronic component to regulate the performance of antenna in above-mentioned space, the principle of its principle and embodiment one to four is similar, and the present embodiment is no longer described.Between the second feeder line, the second feeder line and the second sheet metal and that the situation in the space that electronic component embeds is set is identical with above-mentioned situation these three positions of the second sheet metal.
The reserved location in space is not limited to above-mentioned five kinds of forms on the antenna 100 of the present invention, as long as the space is arranged on the antenna.For example, the space can also be arranged on the medium substrate.
Described electronic component of the present invention is perceptual electronic component, capacitive electronic component or resistance.After in the headspace of antenna, adding this type of electronic component, can improve the various performances of antenna.And by adding the electronic component of different parameters, can realize the adjustable of antenna performance parameters.Therefore, antenna of the present invention can be the same structure before not adding any element, just by adding different electronic components at diverse location, and the parameter of electronic component (inductance value, resistance value, capacitance), realize the performance parameter of different antennae.Namely realized versatility.Can significantly reduce production costs.
Described space of the present invention can be pad, also can be a vacancy.The structure of pad can be referring to the pad on the common circuit board.Certainly, the needs that the design consideration of its size is different can be different.
In addition, among the present invention, medium substrate is made by ceramic material, macromolecular material, ferroelectric material, ferrite material or ferromagnetic material.Preferably, being made by macromolecular material, can be the macromolecular materials such as FR-4, F4B particularly.
Among the present invention, the first sheet metal and the second sheet metal are copper sheet or silver strip.Be preferably copper sheet, cheap, conduct electricity very well.
Among the present invention, the first feeder line and the second feeder line are selected with the same material of the first sheet metal and the second sheet metal and are made.Be preferably copper.
Among the present invention, about the processing and manufacturing of antenna, as long as satisfy design principle of the present invention, can adopt various manufactures.Prevailing method is to use the manufacture method of all kinds of printed circuit board (PCB)s (PCB), certainly, metallized through hole, the PCB of double-sided copper-clad makes also can satisfy processing request of the present invention.Except this processing mode, can also introduce according to the actual needs other manufacturing process, (RFID is the abbreviation of RadioFrequency Identification such as RFID, be REID, be commonly called as electronic tag) but in the processing mode that makes up of the processing mode of flexible PCB processing, iron plate antenna of employed conductive silver paste printing ink processing mode, all kinds of deformation devices and iron plate and PCB.Wherein, iron plate and PCB combination processing mode refers to utilize the accurate processing of PCB to finish the processing of antenna micro groove structure, finishes other slave part with iron plate.In addition, can also process by etching, plating, brill quarter, photoetching, electronics is carved or ion is carved method.
The above is described embodiments of the invention by reference to the accompanying drawings; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. mobile phone, comprise a pcb board and the antenna that links to each other with pcb board, it is characterized in that, described antenna comprises medium substrate, be attached to the first sheet metal and second sheet metal on relative two surfaces of medium substrate, be provided with the first feeder line around the first sheet metal, be provided with the second feeder line around the second sheet metal, described the first feeder line is by described the first sheet metal of coupled modes feed-in, described the second feeder line is by described the second sheet metal of coupled modes feed-in, hollow out has the first micro groove structure to form the first metal routing at the first sheet metal on described the first sheet metal, hollow out has the second micro groove structure to form the second metal routing at the second sheet metal on described the second sheet metal, described the first feeder line is electrically connected with the second feeder line, and described antenna is preset with the space that electronic component embeds.
2. mobile phone according to claim 1 is characterized in that, described spatial placement is reaching at least one of these three positions of the first sheet metal between the first feeder line, the first feeder line and the first sheet metal.
3. mobile phone according to claim 1 is characterized in that, described spatial placement is reaching at least one of these three positions of the second sheet metal between the second feeder line, the second feeder line and the second sheet metal.
4. mobile phone according to claim 2 is characterized in that, described spatial placement is on the first metal routing on the first sheet metal, and perhaps described spatial placement is on the first micro groove structure.
5. mobile phone according to claim 3 is characterized in that, described spatial placement is on the second metal routing on the second sheet metal, and perhaps described spatial placement is on the second micro groove structure.
6. according to claim 2 or 3 described mobile phones, it is characterized in that, described electronic component is perceptual electronic component, capacitive electronic component or resistance.
7. according to claim 2 or 3 described mobile phones, it is characterized in that, described space is the pad that is formed on the described antenna.
8. mobile phone according to claim 6 is characterized in that, the scope of described perceptual electronic component inductance value is between 0-5uH.
9. mobile phone according to claim 6 is characterized in that, the scope of described capacitive electronic component capacitance is between 0-2pF.
10. mobile phone according to claim 1 is characterized in that, described mobile phone also comprises a linkage unit, and described antenna links to each other with pcb board by described linkage unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101447841A CN102904006A (en) | 2011-05-31 | 2011-05-31 | Mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101447841A CN102904006A (en) | 2011-05-31 | 2011-05-31 | Mobile phone |
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| Publication Number | Publication Date |
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| CN102904006A true CN102904006A (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101447841A Pending CN102904006A (en) | 2011-05-31 | 2011-05-31 | Mobile phone |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1778014A (en) * | 2003-06-04 | 2006-05-24 | 株式会社村田制作所 | Frequency-variable antenna and communication device having the same |
| CN101111972A (en) * | 2005-01-27 | 2008-01-23 | 株式会社村田制作所 | Antenna and wireless communication device |
| CN101740862A (en) * | 2008-11-20 | 2010-06-16 | 东莞市启汉电子科技有限公司 | Dipole antenna of RF chip |
-
2011
- 2011-05-31 CN CN2011101447841A patent/CN102904006A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1778014A (en) * | 2003-06-04 | 2006-05-24 | 株式会社村田制作所 | Frequency-variable antenna and communication device having the same |
| CN101111972A (en) * | 2005-01-27 | 2008-01-23 | 株式会社村田制作所 | Antenna and wireless communication device |
| CN101740862A (en) * | 2008-11-20 | 2010-06-16 | 东莞市启汉电子科技有限公司 | Dipole antenna of RF chip |
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Application publication date: 20130130 |