CN102623801A - Surface-patch-type multi-band antenna module - Google Patents
Surface-patch-type multi-band antenna module Download PDFInfo
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- CN102623801A CN102623801A CN201110032645XA CN201110032645A CN102623801A CN 102623801 A CN102623801 A CN 102623801A CN 201110032645X A CN201110032645X A CN 201110032645XA CN 201110032645 A CN201110032645 A CN 201110032645A CN 102623801 A CN102623801 A CN 102623801A
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- microstrip line
- metal portion
- radiation metal
- antenna module
- multifrequency antenna
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Abstract
A surface-patch-type multi-band antenna module comprises: a substrate and a carrier. The substrate possesses a first grounding metal surface and a first microstrip line. One side of the first grounding metal surface is connected with a second microstrip line. There is a gap between the second microstrip line and the first microstrip line. The other surface of the substrate is provided with the second grounding metal surface. The carrier is made of a ceramic material with a high dielectric constant and possesses a first radiation metal portion, a second radiation metal portion and a third radiation metal portion. When the carrier is electrically connected to the substrate, the junction of the first radiation metal portion and the second radiation metal portion is electrically connected to the first microstrip line, and the third radiation metal portion is electrically connected to the second microstrip line so as to form the multi-band antenna module.
Description
Technical field
The present invention relates to a kind of antenna, relate in particular to a kind of multifrequency antenna module of high-gain multiband.
Background technology
Along with the wireless telecommunications development of science and technology, electronic product for example portable electronic devices such as mobile computer, mobile phone, PDA(Personal Digital Assistant) is is all designed and developed towards lightening.Antenna size in order to the transmitting-receiving electric wave signal dwindles relatively, or changes the antenna structure kenel, can be built in the inner use of electronic product.
The multifrequency antenna of at present common on the market multiband be inverted-F antenna (Planar Inverted-FAntenna, PIFA).This antenna has adopted the simple two-dimensional design; Directly process for copper is imprinted on the printed circuit board (PCB) through printed circuit board (PCB) (PCB) manufacturing process; To form the multifrequency antenna of a tabular multiband, the multifrequency antenna that perhaps utilizes stamping technology that sheet metal punching press formation one is had three dimensional design.
Because the PIFA antenna structure can change the antenna geometry on printed circuit board (PCB) two dimension or the sheet metal, to reach the above frequently transmitting-receiving effect of double frequency even three.But in order to satisfy the signal transmitting and receiving quality; And the influence of avoiding surrounding environment causes its frequency coordination to lose standard; Therefore the antenna of this printed circuit board (PCB) or the drawing of sheet metal institute certainly will have a certain size volume; For install this PIFA antenna structure should and electronic installation inside also must be reserved a suitable space and settles this PIFA antenna structure, certainly will run counter to the demand of the compact miniaturization Design of electronic installation court thus.
Summary of the invention
Therefore; Main purpose of the present invention; Be to solve traditional disappearance; So on the ceramic monolith that the ceramic material that provides a kind of metal pattern of the multifrequency antenna with multiband to carry to be located at this high-k becomes, to form a multifrequency antenna that can directly carry out the high efficiency multiband of surface mount engineering.But also form simultaneously the multifrequency antenna of the built-in surface patch of a compact miniaturization.
For reaching above-mentioned purpose, the present invention provides a kind of multifrequency antenna module of surface patch formula, includes:
One substrate; Have a first surface and second surface; Have one first grounding metal plane and one first microstrip line on this first surface, have a perforation on this first microstrip line, one end, this first microstrip line with segment section of perforation extends in this first grounding metal plane; And and this first grounding metal plane between form a gap; One side of this first grounding metal plane is connected with one second microstrip line, and it is arranged side by side that this second microstrip line and this first microstrip line other end are parallel relation, has a spacing between this first microstrip line and this second microstrip line; In addition, on this first surface, have one group of corresponding two fixed contact, and have one second grounding metal plane on this second surface;
One carrier; Process a cuboid with the ceramic material of high-k; Have the first radiation metal portion, the second radiation metal portion and the 3rd radiation metal portion on it; This first radiation metal portion, the second radiation metal portion and the 3rd radiation metal portion form with rectangular metal pattern inequality and vertical element metal pattern; And be located at this carrier at least one or two more than the surface, this first radiation metal portion and this second radiation metal portion are electric connection, this first radiation metal portion and the second radiation metal portion and the 3rd radiation metal portion electrically connect;
Wherein, When this carrier and this substrate electrically connect; Two fixed contacts on the first surface of this first radiation metal portion and this second radiation metal portion and this substrate electrically connect, and this carrier can be fixed on the first surface of this substrate, and this first radiation metal portion and this second radiation metal portion junction and this first microstrip line electrically connect; The 3rd radiation metal portion and this second microstrip line electrically connect, to be combined into a multifrequency antenna module.
The present invention is carried the metal pattern of the multifrequency antenna of multiband on the ceramic monolith of the ceramic material one-tenth of being located at this high-k, to form a multifrequency antenna that can directly carry out the high efficiency multiband of surface mount engineering.But also form simultaneously the multifrequency antenna of the built-in surface patch of a compact miniaturization.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 multifrequency antenna decomposition module of the present invention sketch map;
The decomposing schematic representation at another visual angle of Fig. 2 multifrequency antenna module of the present invention;
The decomposing schematic representation at the another visual angle of Fig. 3 multifrequency antenna module of the present invention;
Fig. 4 multifrequency antenna module of the present invention stereoscopic sketch map;
The conspectus of Fig. 5 multifrequency antenna modular circuit of the present invention;
The user mode sketch map of Fig. 6 multifrequency antenna module of the present invention;
Fig. 7 is the side cross-sectional schematic of Fig. 6;
Fig. 8 a frequency response curve sketch map of the present invention (one);
Fig. 8 b frequency response curve sketch map of the present invention (two).
Wherein, Reference numeral
First grounding metal plane 13
Spacing 17
Fixed contact 18
Second grounding metal plane 19
The first radiation metal portion 21
The second radiation metal portion 22
The 3rd radiation metal portion 23
Signal feed-in probe 41
Screw thread 43
Embodiment
Now relevant technology contents of the present invention and detailed description, existing conjunction with figs. is explained as follows:
See also Fig. 1, Fig. 2, Fig. 3, Fig. 4, the decomposition at multifrequency antenna decomposition module of the present invention, the decomposition at another visual angle, another visual angle and stereoscopic sketch map.As shown in the figure: the multifrequency antenna module of a kind of surface patch formula of the present invention includes: a substrate 1 and a carrier 2.
This substrate 1 has a first surface 11 and second surface 12.Have one first grounding metal plane 13 and one first microstrip line 14 on this first surface 11; This first microstrip line, 14 tools, one leading portion 141 and a back segment 142; Has a perforation 143 on this leading portion 141; The leading portion 141 of this first microstrip line 14 extends in this first grounding metal plane 13, and and this first grounding metal plane 13 between form a gap 15.One side of this first grounding metal plane 13 is connected with one second microstrip line 16; It is arranged side by side that the back segment 142 of this second microstrip line 16 and this first microstrip line 14 is parallel relation; And have a spacing 17 between the back segment 142 of this first microstrip line 14 and this second microstrip line 16, formed spacing 17 width can be adjusted coupling capacitance between the back segment 142 of this first microstrip line 14 and second microstrip line 16; Make the grounding metal plane 13 of winning to form the resonance point of high frequency, use the usefulness that increases frequency range.In addition, on this first surface 11, have one group of corresponding two fixed contact 18, this two fixed contact 18 is in order to affixed this carrier 2.On this second surface 12, have one second grounding metal plane 19 again, this second grounding metal plane 19 is that the grounding parts (not shown) of the joint of confession and coaxial cable line electrically connects.
This carrier 2 is to process a cuboid with the ceramic material of high-k, has the first radiation metal portion 21, the second radiation metal portion 22 and the 3rd radiation metal portion 23 on it.This first radiation metal portion 21, the second radiation metal portion 22 and the 3rd radiation metal portion 23 be located at this carrier 2 with rectangular metal pattern inequality and vertical element metal pattern at least one or two more than the surface, make antenna volume with microminiaturization.This first radiation metal portion 21 is electric connection with this second radiation metal portion 22; This first radiation metal portion 21 and the second radiation metal portion 22 do not electrically connect (that is, this first radiation metal portion 21 and the second radiation metal portion 22 are insulation with the 3rd radiation metal portion 23) with the 3rd radiation metal portion 23.When this carrier 2 electrically connected with this substrate 1, two fixed contacts 18 on the first surface 11 of this first radiation metal portion 21 and this second radiation metal portion 22 and this substrate 1 electrically connected, and this carrier 2 can be fixed on the first surface 11 of this substrate 1.And the junction of this first radiation metal portion 21 and this second radiation metal portion 22 and this first microstrip line 14 electrically connect, and the 3rd radiation metal portion 23 electrically connects with this second microstrip line 16, to be combined into a multifrequency antenna module.
See also Fig. 4, Fig. 5, the conspectus of multifrequency antenna module stereoscopic of the present invention and circuit.As shown in the figure: after this first radiation metal portion 21 and this second radiation metal portion 22 and 14 electric connections of this first microstrip line; Form first antenna with this first radiation metal portion 21; This second radiation metal portion 22 forms second antenna, and the 3rd radiation metal portion 23 and this second microstrip line 16 form the multifrequency antenna module of the multiband of third antennas.
After signal source 3 was by 14 inputs of first microstrip line, flow through this first radiation metal portion 21 and the second radiation metal portion 22 formed the structure of low-and high-frequency branch resonance.With formed spacing 17 width between this first microstrip line 14 and this second microstrip line 16, can adjust coupling capacitance again, make the grounding metal plane 13 of winning to form the resonance point of high frequency, use the usefulness that increases frequency range.
See also Fig. 6, Fig. 7, the side cross-sectional schematic of the user mode of multifrequency antenna module of the present invention and Fig. 6.As shown in the figure: when the present invention used, the perforation 143 with the signal feed-in probe 41 of the connector 4 that connects coaxial cable line 5 passes this first microstrip line 14 electrically connected with this first microstrip line 14.The housing 42 of this connector 4 electrically connects with this second grounding metal plane 19.
When the multifrequency antenna module is used; With joint 51 interlockings of coaxial cable line 5 on the screw thread 43 of the housing 42 of this connector 4; And accept the signal of different frequency range, but to reach the multifrequency antenna module that multiband uses through the first radiation metal portion 21, the second radiation metal portion 22 and the 3rd radiation metal portion 23.
See also Fig. 8 a～Fig. 8 b, frequency response curve sketch map of the present invention (), (two) and see also the frequency response table of table one for Fig. 8 a and Fig. 8 b.Shown in Fig. 8 a, Fig. 8 b and table one: when multifrequency antenna module of the present invention during at 700MHZ, the reflection loss of this antenna (Return Loss) is-3.98, and standing-wave ratio (SWR) is 4.20.
When multifrequency antenna module of the present invention during at 824MHZ, the reflection loss of this antenna is-11.66, and standing-wave ratio is 1.73.
When multifrequency antenna module of the present invention during at 960MHZ, the reflection loss of this antenna is-5.57, and standing-wave ratio is 3.02.
When multifrequency antenna module of the present invention during at 1710MHZ, the reflection loss of this antenna is-10.39, and standing-wave ratio is 1.76.
When multifrequency antenna module of the present invention during at 2170MHZ, the reflection loss of this antenna is-6.38, and standing-wave ratio is 2.88.
Table one
| 700MHz | 824MHz | 960MHz | 1710MHz | 2170MHz | |
| Reflection loss (Reture Loss | -3.98 | -11.66 | -5.57 | -10.39 | -6.38 |
| Standing-wave ratio (SWR) | 4.20 | 1.73 | 3.02 | 1.76 | 2.88 |
Table two
See also table two, the peak gain parameter declaration of Long Term Evolution antenna of the present invention (LTE ANTENNA Peak Gain Parameter Summary).Shown in table two: therefore; Multifrequency antenna module of the present invention can provide the Anneta module structure of present Long Term Evolution antenna (LONG TERM EVOLUTION ANTENNA, LTE ANTENNA) technology and the required compact small multi-frequency section high efficiency built-in SMD (SMT) of the 4th generation communication system.And this multiband has been contained 700～960MHZ and 1710～2170MHZ etc.; Be LTE, global system for mobile communications (Global System for Mobile Communications; GSM), digital communication system (Digital Communications System; DCS), person communication system (Personal Communication System, PCS), (Wideband Code Division Multiple Access, WCDMA) etc. system's frequency range is required for the broadband code division multiple access.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (9)
1. the multifrequency antenna module of a surface patch formula is characterized in that, comprising:
One substrate; Have a first surface and second surface on it; Have one first grounding metal plane and one first microstrip line on this first surface, form a gap between this first microstrip line and this first grounding metal plane, a side of this first grounding metal plane is connected with one second microstrip line; This second microstrip line is parallel with this first microstrip line and is set up in parallel to have a spacing between this first microstrip line and this second microstrip line;
One carrier; Have the first radiation metal portion, the second radiation metal portion and the 3rd radiation metal portion on it; This first radiation metal portion and this second radiation metal portion are electric connection, and this first radiation metal portion and the second radiation metal portion and the 3rd radiation metal portion are insulation;
Wherein, When this carrier and the electric connection of this substrate; The junction that this first radiation metal portion and this second radiation metal portion electrically connect and this first microstrip line electrically connect, and the 3rd radiation metal portion and this second microstrip line electrically connect, to form the multifrequency antenna module of multiband.
2. the multifrequency antenna module of surface patch formula according to claim 1; It is characterized in that this first microstrip line has a leading portion and a back segment, have a perforation on this leading portion; This leading portion extends in this first grounding metal plane, and and this first grounding metal plane between form a gap.
3. the multifrequency antenna module of surface patch formula according to claim 2; It is characterized in that; Formed spacing width is used for adjusting coupling capacitance between the back segment of this first microstrip line and this second microstrip line, makes first grounding metal plane can form the resonance point of high frequency.
4. the multifrequency antenna module of surface patch formula according to claim 3 is characterized in that, has one group of corresponding two fixed contact on this first surface, and this two fixed contact is with the first radiation metal portion and the second radiation metal portion of affixed this carrier.
5. the multifrequency antenna module of surface patch formula according to claim 4 is characterized in that, has one second grounding metal plane on this second surface.
6. the multifrequency antenna module of surface patch formula according to claim 5 is characterized in that, this carrier is processed a cuboid with the ceramic material of high-k.
7. the multifrequency antenna module of surface patch formula according to claim 6; It is characterized in that this first radiation metal portion, the second radiation metal portion and the 3rd radiation metal portion form with separately rectangular metal pattern and vertical element metal pattern respectively and be located on this carrier.
8. the multifrequency antenna module of surface patch formula according to claim 7 is characterized in that, this rectangular metal pattern and vertical element metal pattern be located at this carrier at least one or two more than the surface.
9. the multifrequency antenna module of surface patch formula according to claim 8 is characterized in that, also has a connector; This connector has a housing; Have a signal feed-in probe in this housing, the perforation that this signal feed-in probe passes first microstrip line, and electrically connect with this first microstrip line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110032645.XA CN102623801B (en) | 2011-01-27 | 2011-01-27 | Surface-patch-type multi-band antenna module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110032645.XA CN102623801B (en) | 2011-01-27 | 2011-01-27 | Surface-patch-type multi-band antenna module |
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| Publication Number | Publication Date |
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| CN102623801A true CN102623801A (en) | 2012-08-01 |
| CN102623801B CN102623801B (en) | 2014-06-25 |
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| CN201110032645.XA Active CN102623801B (en) | 2011-01-27 | 2011-01-27 | Surface-patch-type multi-band antenna module |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9466878B2 (en) | 2012-08-10 | 2016-10-11 | Hon Hai Precision Industry Co., Ltd. | Multi-band antenna |
| CN106602228A (en) * | 2015-10-20 | 2017-04-26 | 锐锋股份有限公司 | Ten-frequency-band antenna |
| CN107293858A (en) * | 2016-03-31 | 2017-10-24 | 上海莫仕连接器有限公司 | Antenna assembly |
| CN109103593A (en) * | 2018-09-21 | 2018-12-28 | 深圳华大北斗科技有限公司 | Built-in all frequency bands antenna |
| CN112928468A (en) * | 2019-12-05 | 2021-06-08 | 和硕联合科技股份有限公司 | Antenna structure |
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| CN1518783A (en) * | 2002-07-05 | 2004-08-04 | ̫���յ���ʽ���� | Dielectric antenna, antenna-mounted substrate and mobile communication deivce |
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| CN201994418U (en) * | 2011-01-27 | 2011-09-28 | 太盟光电科技股份有限公司 | Surface mounted multi-frequency antenna module |
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| CN1518783A (en) * | 2002-07-05 | 2004-08-04 | ̫���յ���ʽ���� | Dielectric antenna, antenna-mounted substrate and mobile communication deivce |
| CN1485950A (en) * | 2002-08-23 | 2004-03-31 | 株式会社村田制作所 | Antenna unit and communication device including same |
| CN101308950A (en) * | 2007-05-18 | 2008-11-19 | 英资莱尔德无线通信技术（北京）有限公司 | Antenna device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9466878B2 (en) | 2012-08-10 | 2016-10-11 | Hon Hai Precision Industry Co., Ltd. | Multi-band antenna |
| CN106602228A (en) * | 2015-10-20 | 2017-04-26 | 锐锋股份有限公司 | Ten-frequency-band antenna |
| CN106602228B (en) * | 2015-10-20 | 2020-03-31 | 锐锋股份有限公司 | Ten-frequency-band antenna |
| CN107293858A (en) * | 2016-03-31 | 2017-10-24 | 上海莫仕连接器有限公司 | Antenna assembly |
| US10680336B2 (en) | 2016-03-31 | 2020-06-09 | Molex, Llc | Antenna device |
| CN109103593A (en) * | 2018-09-21 | 2018-12-28 | 深圳华大北斗科技有限公司 | Built-in all frequency bands antenna |
| CN112928468A (en) * | 2019-12-05 | 2021-06-08 | 和硕联合科技股份有限公司 | Antenna structure |
| CN112928468B (en) * | 2019-12-05 | 2023-11-24 | 和硕联合科技股份有限公司 | Antenna structure |
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| CN102623801B (en) | 2014-06-25 |
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