CN101752655A - Panel antenna - Google Patents
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- CN101752655A CN101752655A CN200810182009A CN200810182009A CN101752655A CN 101752655 A CN101752655 A CN 101752655A CN 200810182009 A CN200810182009 A CN 200810182009A CN 200810182009 A CN200810182009 A CN 200810182009A CN 101752655 A CN101752655 A CN 101752655A
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Abstract
A panel antenna comprises a base panel, a plurality of antenna bodies and a metal layer. The antenna bodies are arranged on one surface of the base panel, and the metal layer is arranged on the other surface of the base panel. The metal layer is provided with a plurality of grooves respectively inserted between the antenna bodies. The antenna bodies partially correspond to the metal layer for fitting with a communication system of at least two transmission paths so as to simultaneously transmit and receive electromagnetic signals.
Description
Technical field
The invention relates to a kind of antenna, and particularly relevant for a kind of plate aerial.
Background technology
In recent years in order to satisfy the consumer to computer and various peripheral equipment, the connection requirement that increases day by day between the consumer products device, electronic installation now often must built-in diversified wireless transmission be used, for example: global positioning system (Global Positioning System, GPS), global system for mobile communications (Global System for Mobile Communications, GSM), WLAN (Wireless Local Area Network, WLAN) and wireless MAN (WirelessMetropolitan Area Network, WMAN) etc.
Along with the hardware device and the development of technology development of wireless transmission, systems such as WLAN now, WiMAX and LTE gradually adopt multiple-input and multiple-output (Multi Input Multi Output, MIMO) technology.The MIMO technology is the mode that adopts many antennas to operate simultaneously.Under the system of traditional single antenna running compared, mimo system had the characteristics such as confidence level, transmission speed and collection of letters scope of elevator system itself, and becomes the main flow of following radio communication gradually.In order to promote transmission speed, have a plurality of mimo systems at same product and exist simultaneously future.
In the communication network based on the MIMO technology, electronic installation must be installed the mechanism that many antennas just can be finished multi-path transmission.In addition, have best transmission speed in order to cause mimo system, the isolation of every antenna must maintain more than the 15dB.Yet existing electronic installation promotes the isolation of antenna mostly with the distance between the increase antenna.This kind practice has not only expended the huge hardware space of electronic installation, also limit the development of electronic installation in microminiaturization.
Summary of the invention
The invention provides a kind of plate aerial, utilize the mode that on substrate, disposes a plurality of antenna bodies and a metal level simultaneously, reduce its expending on volume.
The invention provides a kind of plate aerial, can use on the plural mimo system, and help the development of electronic installation in microminiaturization.
The present invention proposes a kind of plate aerial, comprises a substrate, a plurality of antenna body and a metal level.Described a plurality of antenna body is arranged on a surface of substrate, and metal level is arranged on another surface of substrate.In addition, metal level has a plurality of grooves, interts respectively between described a plurality of antenna bodies.Moreover described a plurality of antenna bodies are partly corresponding to metal level, and launch simultaneously and receiving electromagnetic signals in order to the communication system that cooperation has a multi-path transmission.
In one embodiment of this invention, above-mentioned a plurality of antenna bodies comprise a feeding portion and a Department of Radiation separately.Wherein, feeding portion is corresponding to metal level.Department of Radiation electrically connects feeding portion, and in order to emission or receiving electromagnetic signals.In addition, Department of Radiation comprises one first conducting strip and one second conducting strip.Wherein, first conducting strip be shaped as trapezoidal or class trapezoidal, and electrically connect feeding portion.Second conducting strip be shaped as rectangle, and electrically connect first conducting strip.
In one embodiment of this invention, above-mentioned communication system adopts multiple-input and multiple-output (MultiInput Multi Output) technology to form multi-path transmission.
From another viewpoint, the present invention proposes a kind of plate aerial again, comprises a substrate, a metal level and a plurality of antenna body.Wherein, metal level and described a plurality of antenna body are arranged on a surface of substrate.In addition, a side of metal level has a plurality of grooves.Described a plurality of antenna body electrically connects metal level, and is staggered in the both sides of the side of metal level with described a plurality of grooves.In addition, described a plurality of antenna body is launched and receiving electromagnetic signals simultaneously in order to the communication system that cooperation has multi-path transmission.
In one embodiment of this invention, above-mentioned a plurality of antenna bodies comprise a grounding parts and a Department of Radiation separately.Wherein, grounding parts is in fact perpendicular to substrate, and the side of electric connection metal level.Department of Radiation is parallel to substrate in fact, and electrically connects grounding parts.In addition, Department of Radiation is in order to emission or receiving electromagnetic signals.
Based on above-mentioned, plate aerial of the present invention is by a plurality of grooves of metal level and the relative configuration relation of antenna body, promotes the isolation of antenna body.In addition, described plate aerial has microminiaturized advantage, and can be applicable on the mimo system.Whereby, compared to the prior art under, electronic installation is except having taken into account its development in microminiaturization more simultaneously in conjunction with the communication capacity of plate aerial of the present invention.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and conjunction with figs. is described in detail below.
Description of drawings
Figure 1 shows that structural representation according to a kind of plate aerial of one embodiment of the invention.
Figure 2 shows that the structural representation of antenna body 120 its corresponding match circuits.
Figure 3 shows that structural representation according to a kind of plate aerial of another embodiment of the present invention.
Embodiment
Figure 1 shows that structural representation according to a kind of plate aerial of one embodiment of the invention.With reference to Fig. 1, plate aerial 100 comprises a substrate 110, a plurality of antenna body 120～150 and a metal level 160.Wherein, substrate 110 for example is a printed circuit board (PCB).Antenna body 120～150 is arranged on a surface of substrate 110, and metal level 160 then is arranged on another surface of substrate 110.In addition, antenna body 120～150 is partly corresponding to metal level 160, can be opposed mutually with metal level 160 to cause every day line body local block of 120～150.
Further, metal level 160 has a plurality of grooves 161～163.With the angle of perspective, groove 161～163 is staggered with antenna body 120～150, interts respectively between antenna body 120～150 to cause groove 161～163.It should be noted that in the present embodiment groove 161～163 interts respectively in the centre of two adjacent antenna bodies.
For instance, 161 of grooves are in the centre of two adjacent antenna bodies 120 and 130, and 162 of grooves are at the centre of two adjacent antenna bodies 130 and 140, the allocation position of groove 163 by that analogy.Though present embodiment provides the enforcement kenel of the allocation position of groove 161～163, it is not in order to limit the present invention.This area has knows that usually the knowledgeable can change the spacing between groove 161～163 and its two adjacent antenna body arbitrarily according to design.
On the other hand, antenna body 120～150 comprises a feeding portion and a Department of Radiation separately.For instance, at antenna body 120, antenna body 120 comprises a feeding portion 121 and a Department of Radiation 122.Wherein, feeding portion 121 is corresponding to metal level 160, and is electrical connected with Department of Radiation 122.The framework of all the other antenna bodies 130～150 is then identical with antenna body 120, does not repeat them here.
In addition, in the present embodiment, the feeding portion of antenna body 120～150 is made of two conducting strips with given shape.For instance, the Department of Radiation 122 of antenna body 120 comprises conducting strip 122a and conducting strip 122b.Wherein, conducting strip 122a be shaped as trapezoidal or class trapezoidal, the shape of conducting strip 122b then is a rectangle.In addition, conducting strip 122a and conducting strip 122b are electrical connected each other, and conducting strip 122a more is electrically connected to the feeding portion 121 of antenna body 120.At this, have two conducting strip 122a of given shape and 122b and will cause Department of Radiation 122 to have preferable ability to launch or receiving electromagnetic signals.
It should be noted that in order to promote the transmitting-receiving ability of antenna body 120～150, this area has knows that usually the knowledgeable more can design corresponding match circuit at each antenna body 120～150.For instance, Figure 2 shows that the structural representation of antenna body 120 its corresponding match circuits, as shown in Figure 2, plate aerial 100 also comprises match circuit 210.Wherein, match circuit 210 is corresponding to antenna body 120, and is electrically connected between the feeding portion 121 and Department of Radiation 122 of antenna body 120.At this, the impedance of feeding portion 121 will be mated with the impedance of Department of Radiation 122 mutually by match circuit 210, and then promote the transmitting-receiving ability of antenna body 120.
Please continue with reference to Fig. 1.In whole start, plate aerial 100 mainly is to launch and receiving electromagnetic signals by antenna body 120～150.Wherein, antenna body 120～150th, a communication system that has multi-path transmission in order to cooperation is launched and receiving electromagnetic signals simultaneously, and described communication system can adopt multiple-input and multiple-output (Multi Input Multi Output) technology to form multi-path transmission.In other words, the described plate aerial of present embodiment 100 is applicable on mimo system.In addition, because plate aerial 100 has the little advantage of volume, it will help the development of electronic installation in microminiaturization.
For instance, in practical application, operate in the radio-frequency range of 5GHz when antenna body 120～150, just antenna body 120～150th, in order to the transmitting-receiving 5GHz electromagnetic signal the time, distance (for example D1 that Fig. 1 indicated) between the two adjacent antenna bodies in the antenna body 120～150 can be set between 20 millimeters to 28 millimeters, the width of groove 161～163 (for example W1 that Fig. 1 indicated) can be set between 4 millimeters to 5 millimeters, and the degree of depth of groove 161～163 (for example L1 that Fig. 1 indicated) can be set between 8 millimeters to 10 millimeters.At this moment, plate aerial 100 is except having the little advantage of volume, and the isolation between the antenna body 120～150 also can maintain more than the 18dB.
Figure 3 shows that structural representation according to a kind of plate aerial of another embodiment of the present invention.With reference to Fig. 3, plate aerial 300 comprises a substrate 310, a plurality of antenna body 320～350 and a metal level 360.Wherein, substrate 310 for example is a printed circuit board (PCB).Antenna body 320～350 is arranged on the surface of substrate 310 with metal level 360.In addition, a side SD31 of metal level 360 has a plurality of grooves 361～363, and the both sides of the side SD31 that is staggered at metal level 360 of antenna body 320～350 and groove 361～363.
It should be noted that in the present embodiment each groove 361～363 is kept identical spacing with its two adjacent antenna body respectively.For instance, along the side SD31 of metal level 360, the spacing between groove 361 and the antenna body 320 is equal to the spacing between itself and the antenna body 330.Similarly, in the present embodiment, the spacing between groove 362 and the antenna body 330 also is equal to the spacing between itself and the antenna body 340, by that analogy, and the allocation position of groove 363.Though present embodiment provides the enforcement kenel of the allocation position of groove 361～363, it is not in order to limit the present invention.This area has knows that usually the knowledgeable can change the spacing between groove 361～363 and its two adjacent antenna body arbitrarily according to design.
Further, antenna body 320～350 comprises a grounding parts and a Department of Radiation separately.For instance, at antenna body 320, antenna body 320 comprises a grounding parts 321 and a Department of Radiation 322.Wherein, grounding parts 321 is in fact perpendicular to substrate 310, and the side SD31 of electric connection metal level 360.Department of Radiation 322 is parallel to substrate 310 in fact, and is electrically connected to grounding parts 321.The framework of all the other antenna bodies 330～350 is then identical with antenna body 320, does not repeat them here.
Please continue with reference to Fig. 3.In whole start, plate aerial 300 mainly is to launch and receiving electromagnetic signals by antenna body 320～350.Wherein, antenna body 320～350th, a communication system that has multi-path transmission in order to cooperation is launched and receiving electromagnetic signals simultaneously, and described communication system can adopt multiple-input and multiple-output (Multi Input Multi Output) technology to form multi-path transmission.In other words, the described plate aerial of present embodiment 300 is applicable on mimo system, and has microminiaturized advantage.
For instance, in practical application, operate in the radio-frequency range of 2.4GHz when antenna body 320～350, just antenna body 320～350th, in order to the transmitting-receiving 2.4GHz electromagnetic signal the time, distance (for example D3 that Fig. 3 indicated) between the two adjacent antenna bodies in the antenna body 320～350 can be set between 40 millimeters to 50 millimeters, the width of groove 361～363 (for example W3 that Fig. 3 indicated) can be set between 1.5 millimeters to 1.9 millimeters, and the degree of depth of groove 361～363 (for example L3 that Fig. 3 indicated) can be set between 18 millimeters to 20 millimeters.At this moment, plate aerial 300 is except having the little advantage of volume, and the isolation between the antenna body 320～350 also can maintain more than the 18dB.
In sum, the present invention utilizes the mode that disposes a plurality of antenna bodies and a metal level on substrate simultaneously, forms the plate aerial with microminiaturized advantage.In addition, described plate aerial promotes the isolation of antenna body more by a plurality of grooves of metal level and the relative configuration relation of antenna body.Whereby, plate aerial of the present invention not only can be applicable on the mimo system, the transmitting-receiving ability of having taken into account antenna more simultaneously with and spent volume.Relatively, plate aerial of the present invention also will help the development of electronic installation in microminiaturization.
Though the present invention with embodiment openly as above; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (18)
1. a plate aerial is characterized in that, comprising:
Substrate;
A plurality of antenna bodies are arranged on the surface of aforesaid substrate, and launch simultaneously and receiving electromagnetic signals in order to the communication system that cooperation has a multi-path transmission; And
Metal level is arranged on another surface of aforesaid substrate, and has a plurality of grooves, and wherein, above-mentioned these antenna body is partly corresponding to above-mentioned metal level, and above-mentioned these grooves intert respectively between above-mentioned these antenna body.
2. plate aerial according to claim 1 is characterized in that, wherein above-mentioned these antenna body comprises separately:
Feeding portion is corresponding to above-mentioned metal level; And
Department of Radiation electrically connects above-mentioned feeding portion, and in order to emission or receiving electromagnetic signals.
3. plate aerial according to claim 2 is characterized in that, also comprises:
A plurality of match circuits, corresponding one by one with above-mentioned these antenna body, and be electrically connected at separately between the feeding portion and Department of Radiation of corresponding antenna body.
4. plate aerial according to claim 2 is characterized in that, wherein above-mentioned Department of Radiation comprises:
First conducting strip, its be shaped as trapezoidal or class trapezoidal, and electrically connect above-mentioned feeding portion; And
Second conducting strip, it is shaped as rectangle, and electrically connects above-mentioned first conducting strip.
5. plate aerial according to claim 1 is characterized in that, wherein above-mentioned these grooves intert respectively in the centre of above-mentioned these two adjacent antenna bodies.
6. plate aerial according to claim 1 is characterized in that, wherein above-mentioned communication system adopts MIMO technique to form multi-path transmission.
7. plate aerial according to claim 1 is characterized in that, wherein aforesaid substrate is a printed circuit board (PCB).
8. plate aerial according to claim 1 is characterized in that, the distance between the two adjacent antenna bodies in wherein above-mentioned these antenna body is between 20 millimeters to 28 millimeters.
9. plate aerial according to claim 1 is characterized in that, wherein the width of above-mentioned these grooves is between 4 millimeters to 5 millimeters, and the degree of depth of above-mentioned these grooves is between 8 millimeters to 10 millimeters.
10. plate aerial according to claim 1 is characterized in that, wherein above-mentioned these antenna body is in order to the electromagnetic signal of transmitting-receiving 5GHz.
11. a plate aerial is characterized in that, comprising:
Substrate;
Metal level be arranged on the surface of aforesaid substrate, and the side of above-mentioned metal level has a plurality of grooves; And
A plurality of antenna bodies, electrically connect above-mentioned metal level, and be staggered in the both sides of the above-mentioned side of above-mentioned metal level with above-mentioned these grooves, wherein above-mentioned these antenna body is launched and receiving electromagnetic signals simultaneously in order to the communication system that cooperation has multi-path transmission.
12. plate aerial according to claim 11 is characterized in that, wherein above-mentioned these antenna body comprises separately:
Grounding parts in fact perpendicular to aforesaid substrate, and electrically connects the above-mentioned side of above-mentioned metal level; And
Department of Radiation is parallel to aforesaid substrate in fact, and electrically connects above-mentioned grounding parts, and wherein above-mentioned Department of Radiation is in order to emission or receiving electromagnetic signals.
13. plate aerial according to claim 11 is characterized in that, wherein each above-mentioned these groove is kept identical spacing with its two adjacent antenna body respectively.
14. plate aerial according to claim 11 is characterized in that, wherein above-mentioned communication system adopts plural MIMO technique to form multi-path transmission.
15. plate aerial according to claim 11 is characterized in that, wherein aforesaid substrate is a printed circuit board (PCB).
16. plate aerial according to claim 11 is characterized in that, the distance between the two adjacent antenna bodies in wherein above-mentioned these antenna body is between 40 millimeters to 50 millimeters.
17. plate aerial according to claim 11 is characterized in that, wherein the width of above-mentioned these grooves is between 1.5 millimeters to 1.9 millimeters, and the degree of depth of above-mentioned these grooves is between 18 millimeters to 20 millimeters.
18. plate aerial according to claim 11 is characterized in that, wherein above-mentioned these antenna body is in order to transmit the electromagnetic signal of 2.4GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810182009A CN101752655A (en) | 2008-11-28 | 2008-11-28 | Panel antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810182009A CN101752655A (en) | 2008-11-28 | 2008-11-28 | Panel antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101752655A true CN101752655A (en) | 2010-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810182009A Pending CN101752655A (en) | 2008-11-28 | 2008-11-28 | Panel antenna |
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| CN (1) | CN101752655A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054282A (en) * | 2020-08-31 | 2020-12-08 | 瑞声新能源发展(常州)有限公司科教城分公司 | Antenna structure and mobile terminal |
| CN112054281A (en) * | 2020-08-31 | 2020-12-08 | 瑞声新能源发展(常州)有限公司科教城分公司 | Antenna structure and mobile terminal |
-
2008
- 2008-11-28 CN CN200810182009A patent/CN101752655A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054282A (en) * | 2020-08-31 | 2020-12-08 | 瑞声新能源发展(常州)有限公司科教城分公司 | Antenna structure and mobile terminal |
| CN112054281A (en) * | 2020-08-31 | 2020-12-08 | 瑞声新能源发展(常州)有限公司科教城分公司 | Antenna structure and mobile terminal |
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Application publication date: 20100623 |