CN201369388Y - Multifrequency double-fed chip type antenna - Google Patents
Multifrequency double-fed chip type antenna Download PDFInfo
- Publication number
- CN201369388Y CN201369388Y CNU2008201402007U CN200820140200U CN201369388Y CN 201369388 Y CN201369388 Y CN 201369388Y CN U2008201402007 U CNU2008201402007 U CN U2008201402007U CN 200820140200 U CN200820140200 U CN 200820140200U CN 201369388 Y CN201369388 Y CN 201369388Y
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- 239000000758 substrate Substances 0.000 claims abstract description 60
- 230000008878 coupling Effects 0.000 claims abstract description 29
- 238000010168 coupling process Methods 0.000 claims abstract description 29
- 238000005859 coupling reaction Methods 0.000 claims abstract description 29
- 230000005855 radiation Effects 0.000 claims description 57
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract 1
- 239000002356 single layer Substances 0.000 abstract 1
- 239000000178 monomer Substances 0.000 description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides a multifrequency double-fed chip type antenna comprising a group of substrates which can be erected on a circuit substrate by a conducting supporting machine and can be in the structure of a single-layer substrate or multi-layer substrate; the pattern of the multifrequency double-fed chip type antenna is arranged on the surface of the substrates or in the substrates and is provided with two signal feeding points which are connected with the module of the circuit substrate so that the signals of the multifrequency double-fed chip type antenna can be connected with the circuit of the circuit substrate from the two signal feeding points; and the pattern of the multifrequency double-fed chip type antenna can adjust coupling electrodes used for receiving different frequency bands.
Description
Technical field
The utility model relates to a kind of multifrequency double-fed and goes into chip-shaped antenna, be meant especially and utilize multiloop and multiple coupled notion to make antenna have high radiation efficiency, and solve the shortcoming that just must take too many circuit substrate area and headroom district in the circuit substrate of a wireless telecommunications system in the time of many antennas will being set and will obtaining high efficiency.
Background technology
The inside antenna that present all kinds of wireless telecommunications system was equipped with only has the ability of single frequency range signal operation mostly, and generally all need additionally give the efficient that enough empty regions could improve antenna on circuit substrate, makes the function of antenna performance radiation.
Impedance matching (Impedance Matching), be considerable condition on the Antenna Design, when if load impedance that line feed terminals connects equals the feeder line characteristic impedance, being called line feed terminals is that coupling connects, during coupling, only there be the incident wave of biography to terminate load in feeder line, and the reflected wave that does not have terminate load to produce, therefore, when antenna during as terminate load, coupling can guarantee that antenna obtains whole signal powers, and then signal just can fully be passed to antenna end from system end, be referred to as " impedance is mated fully ", if the feeder line characteristic impedance of system is unequal with the impedance of antenna, then signal is understood when not matching because of the characteristic impedance of impedance feeder line and antenna impedance in transmittance process, load can only absorb the part high-frequency energy that transmits on the feeder line, and the part energy that can not all absorb is with the reflected back system end.The energy of the bigger then reflection of both resistance value difference just the more generally can be decided to be 50ohm with resistance value when design system and antenna, so the impedance of antenna is more near 50ohm, and then its coupling is better.
At present, the sub-communication apparatus of mobile radio such as mobile computer, mobile phone utilizes the built-in antenna to reach the transmission of electronic product wireless signal mostly.For satisfying compact day by day electronic product to antenna space and multiple channel, GPS for example, WiFi, Bluetooth, FM, or even the requirement of multiple function of action TV (Mobil TV), PIFA (Planar InvertedF-Antenna) the type antenna of adopt generally that radiation field shape is good, simple in structure, the length of making simple and easy and antenna only need about electromagnetic wavelength 1/4th, and utilize Inductive component to adjust resonance frequency and impedance matching often at designing antenna.
A kind of multifrequency antenna of the prior art as shown in Figure 8, mainly comprises: a pedestal 8a; One first conducting subassembly 8b, parallel with this pedestal, and see through a coupling assembling 8c and be connected with this pedestal; One radiation assembly 8d, 8b is vertical with this first conducting subassembly, and comprise partly 8f of one first part 8e and one second, wherein this first part 8e is the signal that is used for receiving this first frequency, this second part 8f is the signal that is used for receiving this second frequency, this first conducting subassembly 8b and this radiation assembly 8d are connected in a contact, this contact be positioned to should first partly and this second position that partly has a common boundary; And one second conducting subassembly 8g, vertical with this pedestal, and be arranged on the another side of this pedestal with respect to this coupling assembling.
Above-mentioned common multiple frequency antenna structure, its integral body can take sizable space, can't meet the requirement of communication apparatus.
Summary of the invention
Main purpose of the present utility model is to provide a kind of multifrequency double-fed to go into chip-shaped antenna, utilizes the multifrequency double-fed to go into chip-shaped antenna, and the ceiling effect of performance antenna makes the electronic product can be towards light, thin, short, little designs in limited mechanism space.
Another purpose of the present utility model is that this multifrequency double-fed goes into chip-shaped antenna and can do the operation of different frequency range signal in the mechanism of restriction that has living space, and meets the application of microminiaturization product.
The 3rd purpose of the present utility model is that this multifrequency double-fed goes into chip-shaped antenna and make ground connection (Ground) partly also can become the some of antenna radiator, and can obtain preferable antenna patterns illustrated and efficient.
The 4th purpose of the present utility model be this multifrequency double-fed go into chip-shaped antenna can stand on by a conductivity type supporting construction pcb board on, avoid occupying too much circuit substrate area, and metal influences near being not easy to be subjected to, and makes the radiation efficiency of antenna better.
The 5th purpose of the present utility model is that this multifrequency double-fed goes into the dielectric substrate that chip-shaped antenna comprises a single or multiple lift, its antenna arrangement pattern can be formed on the surperficial or inner of substrate, and its pattern has two signal load points and a plurality of earth point, wherein two signal load points can take out single or a plurality of resonance frequencys respectively, the radiation electrode of this antenna component also comprises the first radiation body and the second radiation body that is extended out by the conductivity support simultaneously, the 3rd radiant body that extends out by earth point, and respectively with first, can produce the coupling electrode of coupling between the two and the 3rd radiant body, to adjust impedance matching and Frequency point.
The 6th purpose of the present utility model is that this multifrequency double-fed goes into chip-shaped antenna and comprise one group of substrate that is connected with circuit substrate; One antenna arrangement pattern is between the surface of this group substrate or inner, in order to transmit the circuit of wireless signal to circuit substrate; Described antenna pattern includes first Department of Radiation, second Department of Radiation, the 3rd Department of Radiation and grounding parts, and is provided with two signal load points and circuit substrate joins; Wherein, the 3rd Department of Radiation links to each other with grounding parts with formation ground connection, and first Department of Radiation and the 3rd Department of Radiation, and between second Department of Radiation and the 3rd Department of Radiation, and be provided with the coupling electrode layout that can comply with the adjustment of reception signal frequency.
Below in conjunction with drawings and Examples the utility model is done further detailed explanation.
Description of drawings
Fig. 1 is used in the three-dimensional diagrammatic sketch of circuit substrate for the utility model;
Fig. 2 is an antenna pattern diagrammatic sketch of the present utility model;
Fig. 3 is an equivalent circuit diagram of the present utility model;
The presentation graphs of GPS efficient and contact area when Fig. 4 uses for expression the utility model;
Fig. 5 is a return loss plot of the present utility model;
Fig. 6 is a Smith chart of the present utility model;
Fig. 7 is frequency of the present utility model and isolation graph of a relation;
Fig. 8 is common a kind of multifrequency antenna schematic diagram.
The primary clustering symbol description:
1000: antenna body
100: substrate
200: circuit substrate
1: the first substrate
2: the second substrates
10,20: the signal load point
101,102,103: the conductivity support
300: antenna pattern
31: the first Departments of Radiation
32: the second Departments of Radiation
33: the three Departments of Radiation
34: grounding parts
4: the first groups of coupling electrodes
5: the second groups of coupling electrodes
41a, 41b, 42a, 42b: electrode monomer
51a, 51b, 52a, 52b: electrode monomer
8a: pedestal
8b: first conducting subassembly
8c: coupling assembling
8d: radiation assembly
8e: first partly
8f: second partly
8g: second conducting subassembly
8g: second conducting subassembly
Embodiment
Multifrequency double-fed of the present utility model is gone into chip-shaped antenna, as shown in Figure 1, this antenna body 1000, comprise a group substrate 100, this group substrate 100 by one for example with multi-conducting support 101,102,103 ... the upright top of being located at circuit substrate 200 of the supporting mechanism that constitutes, this group substrate 100 comprises first substrate 1 and second substrate 2, between first substrate 1 and second substrate 2 the antenna arrangement pattern is set, this group substrate 100 also is connected in formed circuit on the circuit substrate 200 with two signal load points 10,20.
Referring to shown in Figure 2, the described antenna arrangement pattern of being located between first substrate 1 and second substrate 2 300 includes first Department of Radiation 31, second Department of Radiation 32, the 3rd Department of Radiation 33 and grounding parts 34; This first Department of Radiation 31 and signal load point 10 join, can be through signal load point 10 feed-in signals; Second Department of Radiation 32 and signal load point 20 join, can be through signal load point 20 feed-in signals; The 3rd Department of Radiation 33 is connected with grounding parts 34, can see through grounding parts 34 ground connection.
Similarly as shown in Figure 2, this antenna pattern 300 includes first group of coupling electrode 4 and second group of coupling electrode 5 again; First group of coupling electrode 4 is located at the zone between first Department of Radiation 31 and the 3rd Department of Radiation 33, mainly be provided with from first Department of Radiation, 31 vertically extending electrode 41a, 41b, and from the 3rd Department of Radiation 33 vertically extending electrode 42a, 42b; Second group of 5 of coupling electrode is the zone between second Department of Radiation 32 and the 3rd Department of Radiation 33, be provided with from second Department of Radiation, 32 vertically extending electrode 51a, 51b, and from the 3rd Department of Radiation 33 vertically extending electrode 52a, 52b.
By this, because grounding parts 34 patterns such as grade of antenna also are provided in a side of on the substrate of antenna body, so can reduce the shared space of antenna on the circuit substrate of wireless telecommunications system; And, antenna body 1000 is set up on the circuit substrate 200 of wireless telecommunications system in upright mode, also can not take the plate face of circuit substrate, and because antenna body 1000 is a vertical type, metal influenced near the radiation efficiency of antenna was not easy to be subjected to, and can keep preferable antenna performance.
Multifrequency double-fed of the present utility model is gone into chip-shaped antenna, during enforcement such as Fig. 2 and shown in Figure 3, with the 3rd Department of Radiation 33 emission signals and reception signal, when the 3rd Department of Radiation 33 reception signals are the signal of a frequency and frequency range, see through electrode monomer 41a, 41b and 42a, 42b coupling, be sent to first Department of Radiation 31, enter the circuit of circuit substrate again through signal load point 10, then through grounding parts 34 ground connection, form the loop on the other hand.When the 3rd Department of Radiation 33 reception signals are the signal of another frequency and frequency range, see through electrode monomer 51a, 51b and 52a, 52b coupling, be sent to second Department of Radiation 32, enter the circuit of circuit substrate again through signal load point 20, on the other hand then through the 3rd Department of Radiation 33, electrode monomer 41a, 41b and 42a, 42b to grounding parts 34 ground connection, form the loop.
In addition, in the time of will being used for receiving the signal of the 3rd frequency and frequency range as if the utility model, the antenna body layout patterns can form has independent one group of coupling electrode 6, the layout pattern of grounding parts 36 and radiation body 35.
And by adjusting in the coupling electrode 4, the relative distance of electrode 41a, 41b and 42a, 42b and length can be suitable for receiving the signal of different frequency and frequency range; If adjust in the coupling electrode 5, relative distance and the length of electrode monomer 51a, 51b and 52a, 52b then can receive the signal of a different set of frequency and frequency range in addition again.Therefore, adjust coupling electrode 4,5 can adjust the optimum impedance coupling and the frequency of antenna according to Smith chart, and then must be respectively according to Wi-Fi wireless network protocol IEEE802.11a, b, g, frequency, GPRS (General Packet Radio Service, the suitable frequency (for example 128K) of high-speed broadband General Packet Radio Service), GSM (Global System for Moblie Communications) system's frequency of utilization is 890-960MHz (GSM 900) or 1,710-1,880MHz (GSM 1800) and adjusting, or the L1 of GPS (Link 1) carrier frequency 1575.42MHZ, L2 (Link 2) carrier frequency 1227.60MHZ and adjusting perhaps is applicable to the 48-bit address that IEEE 802 standards are formulated and adjusts respectively.
Please refer to shown in Figure 4ly, multifrequency double-fed of the present utility model is gone into chip-shaped antenna, when being applied to gps system, shows that efficient and the contact area of GPS is inversely proportional to, and promptly contact area is littler, and the efficient of GPS is higher.
The frequency of Fig. 5 and the relation test of return loss be figure as a result, demonstrate two feed-in Frequency points at the utility model antenna, its return loss (return loss) reduces rapidly, and two feed-in Frequency points that demonstrate at antenna have very big energy to transmit.
The Smith chart of Fig. 6 (Smith chart), demonstrate two groups of coupling electrodes 4,5 of the chip-shaped antenna of the utility model, they are in two operating frequency ranges that require, impedance all levels off to 50ohm, so two groups of antenna elements that coupling electrode constituted can be in good impedance matching with feeder line.
Fig. 7 is the isolation situation that shows between two groups of coupling electrodes 4,5.The figure shows, two groups of antenna elements can not produce interference.
Multifrequency double-fed of the present utility model is gone into chip-shaped antenna, and when it was implemented, the quantity of signal load point and position all can suitably be adjusted, and promptly the signal load point does not exceed with two groups, also can be many feed-ins of multifrequency pattern of three groups, four groups or other multiple spot feed-in.
And multifrequency double-fed of the present utility model is gone into chip-shaped antenna, the upright structure of being located at circuit substrate of its substrate is an enforcement example, being connected the visual electric equipment products of kenel of substrate and circuit substrate during enforcement and adjusting, so substrate is not located at circuit substrate and is exceeded with upright, substrate alternate manner such as also can be horizontally set with or tiltedly establish and be connected in circuit substrate.
Comprehensive the above, multifrequency double-fed of the present utility model is gone into chip-shaped antenna, has unprecedented innovation structure really, it had not both seen any publication, and did not also see that on the market any similar products like is arranged, so it has novelty and should not have doubt.In addition, specific characteristic that the utility model had and function are far from institute commonly used and can compare, so it has more its progressive than commonly used really, and meet the regulation of the application important document of the relevant creation of China's Patent Law patent, are to mention patent application in accordance with the law.
The above, only be the utility model preferred embodiment, structural feature of the present utility model is not limited thereto, and anyly is familiar with the people of this skill in the utility model field, can think easily and variation or modification, all can be encompassed in the claim of following this case.
Claims (8)
1, a kind of multifrequency double-fed is gone into chip-shaped antenna, it is characterized in that, comprising:
One group of substrate that is connected with circuit substrate;
One antenna arrangement pattern is between the surface of this group substrate or inner, in order to transmit the circuit of wireless signal to circuit substrate;
Described antenna pattern includes first Department of Radiation, second Department of Radiation, the 3rd Department of Radiation and grounding parts, and is provided with two signal load points and circuit substrate joins; Wherein, the 3rd Department of Radiation links to each other with grounding parts with formation ground connection, and first Department of Radiation and the 3rd Department of Radiation, and between second Department of Radiation and the 3rd Department of Radiation, and be provided with the coupling electrode layout that can comply with the adjustment of reception signal frequency.
2, multifrequency double-fed as claimed in claim 1 is gone into chip-shaped antenna, it is characterized in that the upright top of being located at circuit substrate of described substrate.
3, multifrequency double-fed as claimed in claim 1 is gone into chip-shaped antenna, it is characterized in that, described substrate is made up of single substrate or multilager base plate.
4, multifrequency double-fed as claimed in claim 3 is gone into chip-shaped antenna, it is characterized in that, described antenna pattern is formed at the inside or the surface of single substrate or multilager base plate.
5, multifrequency double-fed as claimed in claim 1 is gone into chip-shaped antenna, it is characterized in that, described first Department of Radiation and the first signal load point join.
6, multifrequency double-fed as claimed in claim 1 is gone into chip-shaped antenna, it is characterized in that, described second Department of Radiation and the second signal load point join.
7, multifrequency double-fed as claimed in claim 1 is gone into chip-shaped antenna, it is characterized in that, and described coupling electrode, from first Department of Radiation and the 3rd Department of Radiation, and second Department of Radiation and the 3rd Department of Radiation, Xiang Yiduan extends relatively and keeps a distance to form.
8, multifrequency double-fed as claimed in claim 1 is gone into chip-shaped antenna, it is characterized in that, described signal load point can be again more than three or three and constitutes many feed-ins of multifrequency pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201402007U CN201369388Y (en) | 2008-10-16 | 2008-10-16 | Multifrequency double-fed chip type antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201402007U CN201369388Y (en) | 2008-10-16 | 2008-10-16 | Multifrequency double-fed chip type antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201369388Y true CN201369388Y (en) | 2009-12-23 |
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ID=41488279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201402007U Expired - Lifetime CN201369388Y (en) | 2008-10-16 | 2008-10-16 | Multifrequency double-fed chip type antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201369388Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579334A (en) * | 2016-07-05 | 2018-01-12 | 宏碁股份有限公司 | Mobile device |
| CN107978842A (en) * | 2017-11-24 | 2018-05-01 | 深圳市盛路物联通讯技术有限公司 | Microstrip antenna |
| CN109216907A (en) * | 2018-09-05 | 2019-01-15 | 锐捷网络股份有限公司 | A kind of double-feed antenna and electronic equipment |
-
2008
- 2008-10-16 CN CNU2008201402007U patent/CN201369388Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579334A (en) * | 2016-07-05 | 2018-01-12 | 宏碁股份有限公司 | Mobile device |
| CN107978842A (en) * | 2017-11-24 | 2018-05-01 | 深圳市盛路物联通讯技术有限公司 | Microstrip antenna |
| CN109216907A (en) * | 2018-09-05 | 2019-01-15 | 锐捷网络股份有限公司 | A kind of double-feed antenna and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hebang Electronic (Suzhou) Co., Ltd. Assignor: Jiabang Science & Technology Co., Ltd. Contract record no.: 2012990000931 Denomination of utility model: Multifrequency double-fed chip type antenna Granted publication date: 20091223 License type: Exclusive License Record date: 20121226 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091223 |