CN201408836Y - PCB antenna for portable terminal and portable terminal - Google Patents
PCB antenna for portable terminal and portable terminal Download PDFInfo
- Publication number
- CN201408836Y CN201408836Y CN2009201312607U CN200920131260U CN201408836Y CN 201408836 Y CN201408836 Y CN 201408836Y CN 2009201312607 U CN2009201312607 U CN 2009201312607U CN 200920131260 U CN200920131260 U CN 200920131260U CN 201408836 Y CN201408836 Y CN 201408836Y
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- portable terminal
- circuit board
- antenna
- electrical connection
- pcb antenna
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Abstract
The utility model relates to a PCB antenna for a portable terminal, which comprises a base board body provided with a radiator, wherein, the base board is provided with an electric connection part inplug-in conduction with the circuit board of the portable terminal, and a plug-and-pull space for the base board body to be plugged in or pulled out is formed on the circuit board of the portable terminal. Due to the special structure, that is, through inserting the PCB antenna with limited volume into the circuit board, not only can the circuit board be scaled down in compliance with the trend, but also the purpose of reducing enormously the proportion in terms of size of the antenna structure to the area of the circuit boar and the internal space of the portable terminal can be achieved, thereby satisfying the application needs.
Description
Technical field
The utility model relates to antenna structure, particularly is used for various printed circuit board (PCB)s (Print CircuitBoard, PCB) antenna.
Background technology
Portable terminal, for example: mobile phone, PDA(Personal Digital Assistant) all need other electronic communication equipments in antenna and the communication system to carry out communication.
Prior mobile phone with built-in antenna arrangement as shown in Figure 1, this kind built-in antenna of mobile phone, be arranged in the mobile phone, comprise: antenna holder 1 ' and be fixedly connected on the radiant element 3 ' of antenna holder 1 ' by mechanical hot melt, this antenna holder 1 ' has the connecting portion 4 ' of fixedlying connected with mobile phone main circuit board 2 ', by this connecting portion 4 ', antenna holder 1 ' is fixed on the mobile phone main circuit board 2 '.
Yet use above-mentioned antenna structure, because the bigger space that takies portable terminal of the antenna holder 1 ' of hollow has reduced the space availability ratio in the mobile phone.Particularly, need to take length at least for the PIFA antenna of double frequency and be not less than 45 millimeters, 15 millimeters, 6 millimeters formed spaces respectively, promptly the shared space of antenna holder can be less than 4,050 cubic millimeters.And with 45,000 cubic millimeters of (length is estimated with 100 millimeters, 45 millimeters, 10 millimeters respectively) spaces that conventional mobile phone was had, above-mentioned antenna holder has occupied 9 percent of whole mobile phone space.If realize the PIFA antenna of multifrequency, the needed height of antenna holder needs to increase to some extent, that is to say that the space proportion of the mobile phone that antenna holder is shared will further improve again.On the other hand, use above-mentioned antenna structure can increase cost of manufacture, therefore reduce the competitiveness of portable terminal.
The requirement of portable terminal miniaturization at present, ultra-thinization is more and more higher, and therefore around under the environment condition of severe, antenna structure must meet above-mentioned requirements.That is to say, under portable terminal miniaturization and the board area miniaturization prerequisite, antenna structure takes up space and yet area also should need the above-mentioned existing antenna structure as shown in Figure 1 of miniaturization obviously can not satisfy application requirements, so how to design the inevitable demand that the little antenna that takes up room becomes technical development.
The utility model content
Technical problem to be solved in the utility model is the bigger problem in space of the existing shared portable terminal of antenna structure, thereby a kind of little PCB antenna that takes up room is provided.
For solving the problems of the technologies described above, the technical solution of the utility model is such:
A kind of PCB antenna that is used for portable terminal comprises the substrate body with radiant body, wherein, described substrate body be provided with can with the electrical connection section of portable terminal circuit board plug-in type conducting.
Further, above-mentioned electrical connection section extends to form from a side of substrate body, have on the electrical connection section can with the contact of portable terminal circuit board plug-in type conducting, this contact and radiant body are conducted.
Further, above-mentioned radiant body is an E type unipole antenna, and this radiant body comprises high frequency radiation district, low frequency radiation district and bandwidth adjustment district, and described contact and low frequency radiation district are integrally formed.
The utility model also provides a kind of portable terminal, comprise circuit board and PCB antenna, described PCB antenna comprises the substrate body with radiant body, wherein, offer on the described circuit board plug substrate body the plug space, described substrate body be provided with can with the electrical connection section of circuit board plug-in type conducting.
Further, described circuit board comprises device arrangement zone and empty regions, and described plug space is positioned at described empty regions.
Further, described plug space have can with the feed body of contact conducting.
Compared with prior art, PCB antenna of the present utility model is inserted into the plug space of portable terminal circuit board by electrical connection section, and the contact on the electrical connection section is electrically connected with feed body on the circuit board, thereby realizes the performance of PCB antenna.Because its special structure, promptly passing through the extremely limited PCB antenna that takes up space is inserted in the circuit board, reached under the board area trend toward miniaturization, the purpose that the area of the shared circuit board of antenna structure and shared portable terminal inner space reduce greatly, thus satisfy application demand.
Description of drawings
Fig. 1 is the structural representation of the mobile phone antenna of prior art;
Fig. 2 is the PCB antenna of the utility model one embodiment and the scheme of installation that uses the circuit board of mobile phone of this PCB antenna;
Fig. 3 is the structural representation of PCB antenna among Fig. 2;
Fig. 4 is a circuit board of mobile phone structural representation among Fig. 2;
Fig. 5 is the schematic diagram of the empty regions degree of depth among another embodiment of the utility model;
Fig. 6 is the return loss plot of PCB antenna among another embodiment of the utility model.
Embodiment
In the following description, in order restrictedly not illustrate, the detail of having set forth such as particular technology has altogether to thorough understanding of the present utility model, then, it will be apparent to those skilled in the art that the utility model can be with other execution modes from these details.In other words, omitted detailed description to well-known device and method, thus can be but unclear to description of the present utility model owing to unnecessary details.
Please refer to Fig. 2 below, this Figure illustrates the PCB antenna of a novel embodiment of this enforcement and use the schematic perspective view of the circuit board of this PCB antenna mobile phone.PCB antenna 100 as shown in Figures 2 and 3 comprises the substrate body 110 with radiant body 120, as FR4 well known to those skilled in the art, FR408 or Rogers4003.In the present embodiment, radiant body 120 figure are engraved on the substrate body 110.Described radiant body 120 is an E type unipole antenna.Particularly, this radiant body comprises low frequency radiation district 1210, high frequency radiation district 1220 and bandwidth adjustment district 1230.The resonance frequency in the length adjustment low frequency radiation district by adjusting low frequency radiation district 1210, the resonance frequency in high frequency radiation district 1220 can realize that bandwidth adjustment district 1230 is used to adjust the frequency bandwidth of whole PCB antenna by the length of adjusting the high frequency radiation district.Certainly radiant body can be other antenna form.For example, radiant body can extend to the different layers of substrate body, by via the radiant body that is positioned at the substrate body different layers is conducted.
This substrate body 110 is provided with electrical connection section 130.This electrical connection section 130 extends to form from a side of substrate body 110, and can with circuit board of mobile phone 200 plug-in type conductings.Particularly, have on the electrical connection section 130 can with the contact 1310 of circuit board of mobile phone 200 plug-in type conductings, contact 1310 is conducted with the low frequency radiation district 1210 of radiant body.As shown in Figure 3, contact 130 can be integrally formed with low frequency radiation district 1210, and promptly radiant body on substrate body, has formed high frequency radiation district, low frequency radiation district and bandwidth adjustment district with printed circuit board (PCB) mode sputter, reserves one simultaneously and reveal the copper zone.This dew copper zone is above-mentioned contact.
Further, when making PCB antenna 100 be inserted into circuit board of mobile phone 200, shared height is lower, and electrical connection section 130 extends to form from the big side of substrate body 110 length, and promptly electrical connection section 110 extends to form from the long limit of substrate body 110.Electrical connection section 130 can extend to form rectangle as shown in Figure 2 from the long limit of substrate body 110, can certainly form other shapes such as pectination (not signal).
Use the mobile phone of above-mentioned PCB antenna, comprise circuit board of mobile phone shown in Figure 2 200 and PCB antenna 100, offer the plug space 210 (as shown in Figure 4) of plug substrate body 110 on the circuit board of mobile phone 200, described substrate body 110 is inserted in the plug space 210 of circuit board, thereby realizes being electrically connected of circuit board of mobile phone 200 and PCB antenna 100.
Circuit board of mobile phone 200 as shown in Figure 4 comprises device arrangement zone 220 and empty regions 230, and described plug space 210 is positioned at empty regions 230.This plug space 210 is used to the electrical connection section 130 of PCB antenna 100 of planting.One side in this plug space 210 has the feed body, and in the present embodiment, plug space 210 is set at a side of circuit board of mobile phone, and is the rectangle slot on the mobile phone circuit plate thickness direction, and the feed body is a distributing point 2110.Certainly, the shape in plug space can change according to the change of PCB antenna electrical connection section shape, and for example, when this electrical connection section was pectinate texture, the plug space correspondingly was set to the slot with the suitable interruption of pectinate texture.
When the electrical connection section 130 of PCB antenna 100 inserts in the plug space 210 (being slot) of circuit board of mobile phone, contact 1310 on the electrical connection section and 2110 welding of the distributing point of slot, thereby, realize the performance of PCB antenna by the conducting of contact on the electrical connection section and the distributing point on the circuit board.
In the above-described embodiments, as shown in Figure 2, after PCB antenna was inserted into circuit board of mobile phone, both became vertical substantially relation.Certainly, the plug space on the circuit board of mobile phone can be the length that is arranged on circuit board of mobile phone or the rectangular slot on the Width, and after then PCB antenna was inserted and put circuit board of mobile phone, both were positioned on the plane substantially.
On the basis based on the foregoing description, the utility model also provides another embodiment.Present embodiment has comprised the entire infrastructure of the foregoing description.Fig. 6 is 6.5mm for the substrate body height in the present embodiment PCB antenna, the empty regions degree of depth of circuit board of mobile phone is that (the above-mentioned empty regions degree of depth is that device settles the zone and the border of empty regions to arrive the distance L of plug space center line to 7mm, L is 7mm as shown in Figure 5) situation under, the experimental result curve chart of PCB antenna is specially the return loss plot of present embodiment PCB antenna.
As can be seen from Figure 6, PCB antenna of the present utility model is respectively in the return loss value of 824MHz, 960MHz, 1710MHz and 1990MHz-5.9dB ,-13dB ,-6.1dB and-6.2dB, promptly this PCB antenna the return loss value of CDMA, GSM, DCS and PCS substantially all-below the 6.0dB.In general, the return loss value of antenna for mobile phone-when 6.0dB is following, can assert that this antenna has good performance.Therefore, PCB antenna of the present utility model satisfies the requirement on electric performance (being the requirement on electric performance of multifrequency antenna) of four frequency antennas, but has but only taken circuit board of mobile phone area seldom.
Apparent according to above-mentioned description, PCB antenna of the present utility model is inserted into the plug space of portable terminal circuit board by electrical connection section, be electrically connected with feed body on the circuit board by the contact on the electrical connection section, realize the performance of PCB antenna.Because its special structure, passing through the extremely limited PCB antenna that takes up space is inserted on the circuit board, can reach under the board area trend toward miniaturization, the purpose that the area of the shared circuit board of antenna structure and shared portable terminal inner space reduce greatly, thus satisfy application demand.Antenna is realized in the mode of printed circuit board (PCB) simultaneously, greatly reduces production cost.
Claims (10)
1, the PCB antenna that is used for portable terminal comprises the substrate body with radiant body, it is characterized in that, described substrate body be provided with can with the electrical connection section of portable terminal circuit board plug-in type conducting.
2, the PCB antenna that is used for portable terminal according to claim 1, it is characterized in that, described electrical connection section extends to form from a side of described substrate body, have on the electrical connection section can with the contact of portable terminal circuit board plug-in type conducting, this contact and radiant body are conducted.
3, the PCB antenna that is used for portable terminal according to claim 2 is characterized in that, described electrical connection section extends to form from the big side of described substrate body length.
4, the PCB antenna that is used for portable terminal according to claim 2, it is characterized in that, described radiant body is an E type unipole antenna, and this radiant body comprises high frequency radiation district, low frequency radiation district and bandwidth adjustment district, and described contact and low frequency radiation district are conducted.
5, the PCB antenna that is used for portable terminal according to claim 4 is characterized in that, described contact and low frequency radiation district are integrally formed.
6, a kind of portable terminal, comprise circuit board and PCB antenna, described PCB antenna comprises the substrate body with radiant body, it is characterized in that, offer on the described circuit board plug substrate body the plug space, described substrate body be provided with can with the electrical connection section of circuit board plug-in type conducting.
7, portable terminal according to claim 6 is characterized in that, described electrical connection section extends to form from a side of described substrate body, have on the electrical connection section can with the contact of described circuit board plug-in type conducting, this contact and radiant body are conducted.
8, portable terminal according to claim 7 is characterized in that, described electrical connection section extends to form from the big side of described substrate body length.
9, portable terminal according to claim 7 is characterized in that, described plug space have can with the feed body of contact conducting.
10, portable terminal according to claim 9 is characterized in that, described circuit board comprises device arrangement zone and empty regions, and described plug space is positioned at described empty regions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201312607U CN201408836Y (en) | 2009-04-30 | 2009-04-30 | PCB antenna for portable terminal and portable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201312607U CN201408836Y (en) | 2009-04-30 | 2009-04-30 | PCB antenna for portable terminal and portable terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201408836Y true CN201408836Y (en) | 2010-02-17 |
Family
ID=41679783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201312607U Expired - Fee Related CN201408836Y (en) | 2009-04-30 | 2009-04-30 | PCB antenna for portable terminal and portable terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201408836Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825083A (en) * | 2014-01-24 | 2014-05-28 | 张家港保税区国信通信有限公司 | Ultra-wideband small built-in monopole mobile phone antenna |
| CN110957578A (en) * | 2018-09-27 | 2020-04-03 | 华为技术有限公司 | Antenna device |
-
2009
- 2009-04-30 CN CN2009201312607U patent/CN201408836Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825083A (en) * | 2014-01-24 | 2014-05-28 | 张家港保税区国信通信有限公司 | Ultra-wideband small built-in monopole mobile phone antenna |
| CN110957578A (en) * | 2018-09-27 | 2020-04-03 | 华为技术有限公司 | Antenna device |
| CN110957578B (en) * | 2018-09-27 | 2022-01-14 | 华为技术有限公司 | Antenna device |
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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: 20100217 Termination date: 20160430 |