CN201699127U - Multi-frequency plane antenna - Google Patents
Multi-frequency plane antenna Download PDFInfo
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- CN201699127U CN201699127U CN 200920218956 CN200920218956U CN201699127U CN 201699127 U CN201699127 U CN 201699127U CN 200920218956 CN200920218956 CN 200920218956 CN 200920218956 U CN200920218956 U CN 200920218956U CN 201699127 U CN201699127 U CN 201699127U
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- radiation arm
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Abstract
The utility model discloses a multi-frequency plane antenna comprising a first radiation part, a second radiation part and a grounding part, wherein the first radiation part and the second radiation part are respectively used for receiving low-frequency GSM (Global System for Mobile Communications) wave bands and high-frequency WWAN (Wireless Wide Area Network) wave bands, and the second radiation part is provided with a feed point and a grounding point to respectively connect with coaxial lines. The first radiation part is provided with a first radiation arm and a first slot, and the low-frequency impedance matching value is adjusted by changing the length of the first radiation arm or the first slot. The second radiation part is provided with a second radiation arm and a second slot, and the high-frequency impedance matching value is adjusted by changing the length of the second radiation arm or the second slot. The multi-frequency plane antenna can accomplish the operations of the GSM wave bands and the WWAN wave bands on the plane so as to simplify the manufacturing process and reduce the influence on the electric properties of the antenna, thereby reducing the production cost.
Description
Technical field
The utility model relates to a kind of flat plane antenna, especially a kind of global system for mobile communications (global system for mobile communications that is used for, GSM) wave band (800～900MHz) wave bands and WiMAX LAN (Wireless Wide Area Network, WWAN) wave band (1710～2170MHz) multi-frequency plane antenna.
Background technology
Development along with wireless communication technique, use the wireless telecommunications electronic product significantly to increase, comprise mobile computer, mobile phone, PDA and satellite navigator etc., be vital part indispensable in these electronic products wherein in order to receive electromagnetic antenna, along with the expansion of service band and compactization of electronic product, multifrequency and frivolous antenna become demand now.
Be used in GSM wave band (800～900MHz) and WWAN wave band (1710～2170MHz) antenna now, when compactization design, for cooperating the electronic product volume inside, usually has the mutual storehouse in a plurality of planes, comparatively complicated on manufacture process, and antenna makes with sheet metal usually, when the manufacture process of complexity as punching press repeatedly or stress that warpage caused, be easy to generate the variation of micro-structural, and make electrically being affected of antenna.
The utility model content
The utility model provides a kind of multi-frequency plane antenna at the drawback of prior art.
Multi-frequency plane antenna described in the utility model comprises first Department of Radiation, second Department of Radiation and grounding parts, is made with conductive membrane or thin plate, can receive the high and low frequency wave band simultaneously.First Department of Radiation has first radiation arm and first fluting, in order to receive the GSM wave band (800～900MHz) of low frequency, further comprise first adjustment part made from conductive membrane or thin plate, first adjustment part is a strip, be connected with grounding parts, be positioned at the right side of first radiation arm, and be separated by at interval with one with first radiation arm.Second Department of Radiation is connected with first Department of Radiation, have second radiation arm and second fluting, (two ends up and down of 1710～2170MHz), second radiation arm are provided with load point and earth point respectively, to connect coaxial line respectively in order to the wireless WWAN wave band that receives high frequency.Multi-frequency plane antenna also has one the 3rd fluting and the 4th fluting, and the 3rd fluting is in order to separate first radiation arm and second radiation arm, and the 4th fluting is in order to separate first radiation arm and grounding parts.
The impedance matching value adjustment of first Department of Radiation is reached by the length that changes first radiation arm, or changes the distance between first radiation arm and this first adjustment part, utilizes coupling effect and reaches.
The impedance matching value of second Department of Radiation is adjusted by the length that changes second radiation arm, or changes the length of second fluting and reach.
Further, the impedance matching value adjustment of first Department of Radiation and second Department of Radiation can by about adjust the position of load point and reach.
Utilize the geometry of multi-frequency plane antenna described in the utility model, can be in the design on plane, reach the GSM wave band that receives low frequency (800～900MHz) and WWAN wave band (1710～2170MHz) the function of high frequency, thereby simplification manufacture process, the influence that minimizing is electrical to antenna, and then reduce production costs.
Description of drawings
Fig. 1 is the schematic diagram of multi-frequency plane antenna described in the utility model.
Fig. 2 is the dimensional drawing of multi-frequency plane antenna preferred embodiment described in the utility model.
Fig. 3 is the return loss schematic diagram of the utility model preferred embodiment.
Embodiment
Those skilled in the art below cooperate Figure of description that execution mode of the present utility model is done more detailed description, so that can implement after studying this specification carefully according to this.
Consult Fig. 1, be the schematic diagram of multi-frequency plane antenna described in the utility model.As shown in Figure 1, multi-frequency plane antenna 1 is made with conductive membrane or thin plate, comprises first Department of Radiation 10, second Department of Radiation 20 and grounding parts 30.First Department of Radiation 10 is shown in the strip dotted line, have one first radiation arm 11 and one first fluting 13, first Department of Radiation, be in order to receive the GSM wave band (800～900MHz) of low frequency, further comprise first adjustment part 15 made from conductive membrane or thin plate, first adjustment part 15 is a strip, be connected with grounding parts 30, be positioned at the right side of this first radiation arm 11, and with 17 and first radiation arm, 11 separations at interval, and in order to utilize coupled modes to adjust the frequency band that first Department of Radiation 10 is received.Second Department of Radiation 20 is shown in length dotted line at interval, be to be connected in grounding parts 30 jointly with first Department of Radiation 10, second Department of Radiation 20 has second radiation arm 21 and second fluting 23, in order to receive the WWAN wave band (1710～2170MHz) of high frequency, at the two ends up and down of second radiation arm 21 load point 40 and earth point 50 are set respectively, connect the coaxial line (not shown) respectively.In the multi-frequency plane antenna 1, the conductivity except first Department of Radiation 10 and second Department of Radiation 20 partly is a grounding parts 30.Multi-frequency plane antenna 1 has one the 3rd fluting the 61 and the 4th fluting, 63, the three flutings 61 in order to separate first radiation arm 11 and second radiation arm, 21, the four flutings in order to separate first radiation arm 11 and grounding parts 30.
The details of first Department of Radiation 10 and second Department of Radiation 20 will be described below, first radiation arm 11 of first Department of Radiation 10 has first terminal 71, first connecting portion 73 and second terminal 75, first terminal 71 is positioned at the left side of first radiation arm 11, be strip and extend left, between first radiation arm 11 and second Department of Radiation 20 with the 3rd 61 each intervals of slotting.Second terminal 75 is positioned at the right side of first radiation arm 11, it is opening matrix left, be divided into first end 77 and second end 79, first end 77 and second end 79 are separated by the 4th fluting 63, first end 77 links to each other with first terminal 71 via first connecting portion 73, and second end 79 can utilize shapes such as triangle, rhombus or circle to extend left.First fluting 13 is positioned at the downside of this second radiation arm 21, the right side of second fluting 23, is a matrix fluting that Open Side Down.Second radiation arm 21 of second Department of Radiation 20 has the 3rd terminal 81, second connecting portion 83 and the 4th terminal 85.The 3rd terminal 81 is positioned at the upside of second radiation arm 21, is a stepped and extension to the right.Second connecting portion 83 is one " L " type, and the upper end connects the 3rd terminal 81, and the lower end connects between the 4th terminal 85, the three terminals 81 and the 4th terminal 85 and separated by the 3rd fluting 61.The 4th terminal 85 is positioned at the downside of second radiation arm 21, the top of second fluting 23, be an opening to left concave type, and have the 3rd end 87 and the 4th end 89, the 3rd end 87 extends to the right, and earth point 50 is set therein, and present one downward-sloping steppedly at earth point 50 places, the 4th end 89 extends left, is separated by the 5th fluting 65 with second connecting portion 83.
The impedance matching value of first Department of Radiation 10 is by adjusting first terminal 71 and second terminal 75 length of one of them at least, or adjusts the length of first fluting 13 and reach.Further, can adjust the distance between first radiation arm and this first adjustment part, adjust the impedance matching value of first Department of Radiation 10 by coupling effect.The impedance matching value of second Department of Radiation 20 is by adjusting the 3rd terminal 81 and the 4th terminal 85 length of one of them at least, or adjusts the length of second fluting 23 and reach.In addition, the impedance matching value adjustment of first Department of Radiation 10 and second Department of Radiation 20 can by about adjust the position of load point 40 and reach.
Consult Fig. 2, be the dimensional drawing of multi-frequency plane antenna preferred embodiment described in the utility model.As shown in Figure 2, the size that multi-frequency plane antenna described in the utility model 1 is preferable, the length a of first radiation arm 11 is the scope of 102～107mm, get 105.35mm in the present embodiment, the overall width b of second terminal 75 and first connecting portion 73 is the scope of 4～8mm, get 6mm in the present embodiment, the length c of the 3rd terminal 81 is the scope of 47～52mm, get 49.43mm in the present embodiment, the width d of second connecting portion, 83 upper limbs to the, four terminals, 85 upper limbs is the scope of 4～8mm, get 6.5mm in the present embodiment, the width e of second connecting portion, 83 lower edges to the, four terminals, 85 lower edges is the scope of 1～6mm, get 4mm in the present embodiment, second fluting, 23 length f are the scope of 16～20mm, get 18.9mm in the present embodiment, the 3rd fluting 61 width g are the scope of 0.2～2mm, get 1mm in the present embodiment, first connecting portion, 73 lower edges are the scope of 2～6mm to the distance h between the grounding parts 30, get 4.5mm in the present embodiment, and the length i of first adjustment part 15 equals the overall width b of second terminal 75 and first connecting portion 73 and the groove width h sum that the first connecting portion lower edge 73 arrives between the grounding parts 30, i.e. i=b+h=10.5mm.
Consult Fig. 3, be the return loss plot of the utility model preferred embodiment.As shown in Figure 3, transverse axis is a frequency, be scanned up to 3GHz from 700MHz, the longitudinal axis is that return loss is taken the logarithm and amplified the ratio dB of 10.00dB and reference loss 0.000dB, and the frequency of its mid point A is that the frequency of 824MHz, some B is that the frequency of 960MHz, some C is that the frequency of 1.575GHz, some D is that the frequency of 1.672GHz, some E is that the frequency of 1.71GHz and some F is 2.17GHz.
The above only is in order to explain preferred embodiment of the present utility model; be not that attempt is done any pro forma restriction to the utility model according to this; therefore; all have in that identical creation spirit is following do relevant any modification of the present utility model or change, all must be included in the category of the utility model intention protection.
Claims (9)
1. a multi-frequency plane antenna is made with conductive membrane or thin plate, it is characterized in that, comprises:
One first Department of Radiation has one first radiation arm and one first fluting, in order to receive the global system for mobile communications wave band of a low frequency;
One second Department of Radiation is connected with this first Department of Radiation, has one second radiation arm and one second fluting, in order to receive the WiMAX LAN wave band of a high frequency;
One grounding parts, on this multi-frequency plane antenna except other conductivity of this first Department of Radiation and this second Department of Radiation partly;
One load point is arranged at this second radiation arm upper end, connects a coaxial line;
One earth point is arranged at this second radiation arm lower end, connects this coaxial line;
One the 3rd fluting is in order to separate this first radiation arm and this second radiation arm; And
One the 4th fluting is in order to separate this first radiation arm and grounding parts;
Wherein, this first Department of Radiation also comprises one first adjustment part, is connected with this grounding parts, is positioned at the right side of this first radiation arm, and is separated by at interval with one with this first radiation arm.
2. multi-frequency plane antenna as claimed in claim 1 is characterized in that, this first adjustment part is made with conductive membrane or thin plate, is a strip.
3. multi-frequency plane antenna as claimed in claim 1 is characterized in that, this first fluting is positioned at the downside of this second radiation arm, the right side of this second fluting, is a matrix fluting that Open Side Down.
4. multi-frequency plane antenna as claimed in claim 1 is characterized in that, this first radiation arm has:
One first terminal is positioned at the left side of this first radiation arm, is a strip and extends left;
One first connecting portion; And
One second terminal, be positioned at the right side of this first radiation arm, it is opening matrix left, be divided into one first end and one second end, this first end and this second end are separated by the 4th fluting, this first end links to each other with this first terminal via this first connecting portion, and this second end can utilize triangle, rhombus or round-shaped extension left;
Wherein, the impedance matching value of this first Department of Radiation is adjusted, be by change this first terminal, this second terminal and this first fluting at least one of them length and reach;
The length of this first radiation arm is in the scope of 102～107mm;
The overall width of this second terminal and this first connecting portion is in the scope of 4～8mm;
One lower edge of this first connecting portion is to the scope of the distance between this grounding parts at 2～6mm;
The length of this first adjustment part equals the overall width of this second terminal and this first connecting portion.
5. multi-frequency plane antenna as claimed in claim 1 is characterized in that, this second radiation arm has:
One the 3rd terminal is positioned at the upside of this second radiation arm, is a stairstepping and extends to the right;
One the 4th terminal, be positioned at the downside of this second radiation arm, the top of this second fluting, be an opening to left concave type, and have one the 3rd end and one the 4th end, the 3rd end extends to the right, and this earth point is set therein, and be one downward-sloping stepped at this earth point place, the 4th end extends left; And
One second connecting portion is one " L " type, and the upper end connects the 3rd terminal, and the lower end connects the 4th terminal,
Wherein separated by the 3rd fluting between the 3rd terminal and the 4th terminal, separated by one the 5th fluting between the 4th end and this second connecting portion;
Wherein, the length of the 3rd terminal is in the scope of 47～52mm;
One upper limb of this second connecting portion is to the scope of a upper limb of the 4th terminal distance at 4～8mm;
One lower edge of this second connecting portion is to the scope of a lower edge of the 4th terminal distance at 1～6mm;
The length of this second fluting is in the scope of 16～20mm;
The 3rd groove width is in the scope of 0.2～2mm.
6. multi-frequency plane antenna as claimed in claim 1 is characterized in that, the impedance matching value of this first Department of Radiation is adjusted, and further by the distance that changes between one first adjustment part and this first radiation arm, utilizes coupling effect and reaches.
7. multi-frequency plane antenna as claimed in claim 5 is characterized in that, the impedance matching value of this second Department of Radiation is adjusted, and by changing the 3rd terminal and the 4th terminal length of one of them at least, or changes length of this second fluting and reaches.
8. multi-frequency plane antenna as claimed in claim 1 is characterized in that, the impedance matching value of this first Department of Radiation and this second Department of Radiation is adjusted, further by about adjust the position of load point and reach.
9. multi-frequency plane antenna as claimed in claim 1 is characterized in that, the scope of this global system for mobile communications wave band is 800～900MHz, and the scope of this WiMAX LAN wave band is 1710～2170MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920218956 CN201699127U (en) | 2009-12-10 | 2009-12-10 | Multi-frequency plane antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920218956 CN201699127U (en) | 2009-12-10 | 2009-12-10 | Multi-frequency plane antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201699127U true CN201699127U (en) | 2011-01-05 |
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ID=43400373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920218956 Expired - Fee Related CN201699127U (en) | 2009-12-10 | 2009-12-10 | Multi-frequency plane antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201699127U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157779A (en) * | 2011-01-27 | 2011-08-17 | 中兴通讯股份有限公司 | Wireless terminal and antenna thereof |
| CN102170043A (en) * | 2011-01-27 | 2011-08-31 | 中兴通讯股份有限公司 | Wireless terminal and antenna thereof |
| CN103117456A (en) * | 2013-02-20 | 2013-05-22 | 上海安费诺永亿通讯电子有限公司 | Bandwidth-increased reconfigurable antenna |
-
2009
- 2009-12-10 CN CN 200920218956 patent/CN201699127U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157779A (en) * | 2011-01-27 | 2011-08-17 | 中兴通讯股份有限公司 | Wireless terminal and antenna thereof |
| CN102170043A (en) * | 2011-01-27 | 2011-08-31 | 中兴通讯股份有限公司 | Wireless terminal and antenna thereof |
| WO2012100516A1 (en) * | 2011-01-27 | 2012-08-02 | 中兴通讯股份有限公司 | Wireless terminal and antenna thereof |
| WO2012100517A1 (en) * | 2011-01-27 | 2012-08-02 | 中兴通讯股份有限公司 | Wireless terminal and antenna thereof |
| CN102170043B (en) * | 2011-01-27 | 2016-08-03 | 中兴通讯股份有限公司 | A kind of wireless terminal and antenna thereof |
| CN103117456A (en) * | 2013-02-20 | 2013-05-22 | 上海安费诺永亿通讯电子有限公司 | Bandwidth-increased reconfigurable antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20121210 |