CN204614954U - slot antenna with multiple boundary conditions - Google Patents
slot antenna with multiple boundary conditions Download PDFInfo
- Publication number
- CN204614954U CN204614954U CN201520253818.4U CN201520253818U CN204614954U CN 204614954 U CN204614954 U CN 204614954U CN 201520253818 U CN201520253818 U CN 201520253818U CN 204614954 U CN204614954 U CN 204614954U
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- China
- Prior art keywords
- passive component
- slot antenna
- metal covering
- slotted eye
- boundary condition
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- 239000002184 metal Substances 0.000 claims abstract description 52
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
Abstract
The present invention relates to an antenna, and more particularly to a slot antenna with multiple boundary conditions. A slot antenna with multiple boundary conditions, comprising: a substrate, a first passive component, a second passive component, a third passive component, a signal feed-in point and a signal feed-in wire. One side of the substrate is provided with a metal surface, and the metal surface is provided with a slotted hole; the first passive component, the second passive component and the third passive component are positioned on the slotted hole and are electrically connected with the upper metal surface and the lower metal surface; the signal feed-in point is positioned on the upper metal surface and the lower metal surface at two sides of the slotted hole. The invention links several passive components on the slot of the slot antenna, the impedance value of the passive component will change with the frequency change under different frequency, so the impedance matching and resonance mode of the antenna have higher degree of freedom, and the slot antenna can work in the multi-band working environment.
Description
Technical field
The utility model relates to a kind of antenna, espespecially a kind of slot antenna with multiple boundary condition.
Background technology
Along with wireless communication technology, the developing rapidly of the information processing technology, mobile phone, personal digital assistant (personal digital assistant, etc. PDA) portable radio communication device competitively emerges in large numbers, enter into huge numbers of families, the all facilities making consumer can enjoy high-tech whenever and wherever possible to bring, make these portable radio communication devices become the indispensable part of modern's daily life.
Traditional slot antenna is broadly divided into two kinds of designs, Fig. 1 is formed with a metal covering 101 on a substrate 100, this metal covering 101 offers a slotted eye 102, the two ends of this slotted eye 102 form blind end 102a, and be equipped with a signal feed-in point 103 with the interposition of this slotted eye 102, when receiving and transmitting signal, this electric current can concentrate on slotted eye 102 around, to form the slot antenna of 1/2nd wavelength resonances.Another kind as shown in Figure 2, a substrate 200 is formed a metal covering 201, this metal covering 201 offers a slotted eye 202, this slotted eye 202 one end is open end 202a, and the other end is blind end 202b, and is equipped with a signal feed-in point 203 in the interposition of this slotted eye 202, a signal feed-in wire 204 is being had with this signal feed-in point 203 electrical communication, when receiving and transmitting signal, electric current can concentrate on blind end 202b, to form the slot antenna of a quarter-wave resonance.
Due to the slot antenna that 1/2nd wavelength resonances of above-mentioned two kinds and quarter-wave resonate, although under making mobile communication device work in the mode of multiband, but these two kinds of working mechanisms of slot antenna own are comparatively simple, not easily realize multifrequency framework, also comparatively limited in the application of device in action.
Utility model content
Therefore, main purpose of the present utility model, be the defect making up traditional slot antenna, the utility model electrical communication on the slotted eye of slot antenna has several passive component, at different frequencies, the resistance value of this passive component (inductor and capacitor) will change with frequency change, and make the impedance matching of antenna and resonance mode have the higher degree of freedom, and this slot antenna can be operated in the operational environment of multiband.
For reaching above-mentioned object, the utility model provides the slot antenna of the multiple boundary condition of a kind of tool, comprising: a substrate, one first passive component, one second passive component, one the 3rd passive component, a signal feed-in point and a signal feed-in wire; The side mask of this substrate has a metal covering, offers a slotted eye on this metal covering, and this slotted eye makes this metal covering divide into metal covering and lower metal covering; This first passive component system is positioned on the position of one end of this slotted eye, and with this on metal covering and this lower metal covering electrically connect.This second passive component system is positioned on the other end position of this slotted eye, and with this on metal covering and this lower metal covering electrically connect; This slot antenna has three resonance modes, is respectively a low frequency modal, the first high frequency mode, the second high frequency mode; On the position of the slotted eye of the 3rd passive component system between this first passive component and this second passive component, and with this on metal covering and this lower metal covering electrically connect; On the position of the slotted eye of this signal feed-in point system between this first passive component and the 3rd passive component, can directly feed-in or coupling feed-in; Wherein, the distance of the first passive component and this second passive component corresponds to the quarter-wave of low frequency modal, now, first passive component can equivalent short circuit, 3rd passive component can be opened a way in equivalence, second passive component equivalence one inductive boundary condition, can reach good impedance matching by low-frequency resonance mode; Wherein, the distance of the first passive component and the 3rd passive component corresponds to a wavelength of the first high frequency mode, and now, the first passive component can equivalent short circuit, and the second passive component can be opened a way in equivalence, and the 3rd passive component can equivalent short circuit; Wherein, the distance of signal feed-in point position and the 3rd passive component corresponds to 1/2nd wavelength of the second high frequency mode, and now, the first passive component can be opened a way in equivalence, and the second passive component can be opened a way in equivalence, and the 3rd passive component can equivalent short circuit.
In one of the utility model embodiment, this slotted eye is strip.
In one of the utility model embodiment, this substrate is microwave base plate.
In one of the utility model embodiment, this first passive component is inductor.
In one of the utility model embodiment, this second passive component is inductor, and the inductance value of this inductor is greater than the inductance value of this first passive component inductor.
In one of the utility model embodiment, the 3rd passive component is capacitor.
Accompanying drawing explanation
Fig. 1 is traditional slot antenna structural representation;
Fig. 2 is another traditional slot antenna structural representation;
Fig. 3 is the slot antenna STRUCTURE DECOMPOSITION schematic diagram on the multiple border of tool of the present utility model;
Fig. 4 is the slot antenna textural association schematic diagram on the multiple border of tool of the present utility model;
Fig. 5 is that the slot antenna structure on the multiple border of tool of the present utility model is at low-frequency resonance mode schematic diagram;
Fig. 6 is the reflection coefficient curve schematic diagram of Fig. 5;
Fig. 7 is that the slot antenna structure on the multiple border of tool of the present utility model is at the first high-frequency resonance mode schematic diagram;
Fig. 8 is the reflection coefficient curve schematic diagram of Fig. 7;
Fig. 9 is that the slot antenna structure on the multiple border of tool of the present utility model is at the second high-frequency resonance mode schematic diagram;
Figure 10 is the reflection coefficient curve schematic diagram of Fig. 9;
In figure: 10, slot antenna; 1, substrate; 11, metal covering; 111, upper metal covering; 112, lower metal covering; 12, slotted eye; 2, the first passive component; 3, the second passive component; 4, the 3rd passive component; 5, signal feed-in point; 51,52 electrically connect portions; L1 quarter-wave resonates; L2 wavelength resonances; L3 1/2nd wavelength resonances.
Embodiment
Hereby about the technical content and a detailed description of the utility model, coordinate graphic being described as follows now:
Referring to Fig. 3 and Fig. 4, is slot antenna STRUCTURE DECOMPOSITION and the combination schematic diagram on the multiple border of tool of the utility model.As shown in the figure: the slot antenna 10 on the multiple border of tool of the utility model, comprising: substrate 1,1 first passive component 2,1 second passive component 3, the 3rd passive component 4 and a signal feed-in point 5.
This substrate 1, on it, side mask has a metal covering 11, offers the slotted eye 12 that its width of a strip is about 4mm on this metal covering 11, and this metal covering 11 is divided into upper metal covering 111 and lower metal covering 112 by this slotted eye 12.In this is graphic, this substrate 1 is microwave base plate.
This first passive component 2, be the one end being positioned at this slotted eye 12 position on, and with this on metal covering 111 and this lower metal covering 112 electrically connect.In this is graphic, this first passive component 2 is inductor, and the inductance value of this inductor is 15nH (Henry).
This second passive component 3 is be positioned on the other end position of this slotted eye 12, and with this on metal covering 111 and this lower metal covering 112 electrically connect, this second passive component 3 have strengthen low frequency impedance matching part.In this is graphic, this second passive component 3 is inductor, and the inductance value of this inductor is 30nH (Henry).
3rd passive component 4, be the slotted eye 12 between this first passive component 2 and this second passive component 3 position on, and with this on metal covering 111 and this lower metal covering 112 electrically connect.In this is graphic, the 3rd passive component 4 is capacitor, and the capacitance of this capacitor is 1PF (picofarad).
This signal feed-in point 5, cording has two electrically connect portions 51,52, this two electrically connects portion 51,52 be positioned at this slotted eye 12 2 side this on metal covering 111 and this lower metal covering 112, link the positive and negative terminal of feed-in assembly with this signal feed-in point 5.
This first passive component 2 of the slot antenna 10 of above and this second passive component 3 are all inductor and the 3rd passive component 4 is under the design of capacitor, at different frequencies, the resistance value of this inductor and this capacitor will change with frequency change, different boundary conditions will cause different resonance mechanisms, and the signal making this slot antenna can be operated in multiband is launched and received mode.
Referring to Fig. 5 and Fig. 6, is the reflection coefficient curve schematic diagram of slot antenna structure at low-frequency resonance mode and Fig. 5 on the multiple border of tool of the utility model.As shown in the figure: slot antenna 10 at low frequency time, when making this first passive component (inductance value of inductor is 15nH) 2 present short-circuit condition, when 3rd passive component (capacitance of capacitor is 1PF) 4 all presents open-circuit condition, this second passive component (inductor 30nH) 3 and this now correspond to an inductive boundary condition, low frequency modal can be made to reach good coupling, electric current flows through this first passive component 2 to this lower metal covering 112 by upper metal covering 111, the L1 between the first passive component 2 of this slot antenna 10 to this second passive component 3 is made to be the mode (for low frequency modal) that quarter-wave resonates, A point as Fig. 6 is that frequency is when 600MHZ, for-30dB.
Referring to Fig. 7 and Fig. 8, is the reflection coefficient curve schematic diagram of slot antenna structure at the first high-frequency resonance mode and Fig. 7 on the multiple border of tool of the utility model.As shown in the figure: when slot antenna 10 is near the first high-frequency resonance model frequency, when making this first passive component (inductance value of inductor is 15nH) 2 and the 3rd passive component (capacitance of capacitor is 1PF) 4 all present short-circuit condition, when this second passive component (inductor 30nH) 3 presents open-circuit condition, the L2 between the first passive component 2 of this slot antenna 10 to the 3rd passive component 4 is made to be the mode of a wavelength resonances, B point as Fig. 8 be frequency when 1.775GHZ, be-18.5dB.
Referring to Fig. 9 and Figure 10, is the reflection coefficient curve schematic diagram of slot antenna structure at the second high-frequency resonance mode and Fig. 9 on the multiple border of tool of the utility model.As shown in the figure: when slot antenna 10 is near the second high-frequency resonance model frequency, make this first passive component (inductance value of inductor is 15nH) 2 and this second passive component (inductor 30nH) 3 all in open circuit, 3rd passive component (capacitance of capacitor is 1PF) 4 presents short circuit, the L3 between this signal feed-in point 5 of this slot antenna 10 to the 3rd passive component 4 is made to be the mode of 1/2nd wavelength resonances, C point as Figure 10 be frequency when 2.225GHZ, be-32.8dB.
Above are only the preferred embodiment of the utility model, be not used for limiting the scope of the utility model enforcement.Namely all equalizations done according to the utility model claim change and modify, and are all the utility model the scope of the claims and contain.
Claims (6)
1. a slot antenna for the multiple boundary condition of tool, comprising:
One substrate, on it, side mask has a metal covering, offers a slotted eye on this metal covering, and this slotted eye makes this metal covering divide into metal covering and lower metal covering;
One signal feed-in point, cording has two electrically connect portions, this two electrically connects portion be positioned at this slotted eye two side this on metal covering and this lower metal covering;
One first passive component, system is positioned on the position of one end of this slotted eye, and with this on metal covering and this lower metal covering electrical communication, this slot antenna resonates when low frequency modal and the first high frequency mode, first passive component is equivalent to short circuit, this slot antenna resonates when the second high frequency mode, and the first passive component is equivalent to open circuit;
One second passive component, system is positioned on the other end position of this slotted eye, and with this on metal covering and this lower metal covering electrical communication, this slot antenna resonates when low frequency modal, second passive component equivalence one inductive boundary condition, this slot antenna resonates when the first high frequency and the second high frequency mode, the second passive component equivalence open circuit;
One the 3rd passive component, on the position of the slotted eye of system between this first passive component and this second passive component, and with this on metal covering and this lower metal covering electrical communication, this slot antenna resonates when low frequency modal, 3rd passive component is equivalent to open circuit, this slot antenna resonates when the first high frequency and the second high frequency mode, and the 3rd passive component is equivalent to short circuit;
Wherein, the spacing of the first passive component and the second passive component corresponds to the quarter-wave of low-frequency resonance mode;
Wherein, the spacing of the first passive component and the 3rd passive component corresponds to a wavelength of the first high-frequency resonance mode;
Wherein, the spacing of signal feed-in point and the 3rd passive component corresponds to 1/2nd wavelength of the second high-frequency resonance mode.
2. the slot antenna of the multiple boundary condition of tool according to claim 1, is characterized in that: this slotted eye is strip.
3. the slot antenna of the multiple boundary condition of tool according to claim 1, is characterized in that: this substrate is microwave base plate.
4. the slot antenna of the multiple boundary condition of tool according to claim 1, is characterized in that: this first passive component is inductor.
5. the slot antenna of the multiple boundary condition of tool according to claim 1, is characterized in that: this second passive component is inductor, and the inductance value of electrification device is greater than the inductance value of the first passive component inductor.
6. the slot antenna of the multiple boundary condition of tool according to claim 1, is characterized in that: the 3rd passive component is capacitor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104102292 | 2015-01-23 | ||
| TW104102292A TWI553959B (en) | 2015-01-23 | 2015-01-23 | Slot antenna with multiple boundary conditions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204614954U true CN204614954U (en) | 2015-09-02 |
Family
ID=53967481
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520253818.4U Withdrawn - After Issue CN204614954U (en) | 2015-01-23 | 2015-04-24 | slot antenna with multiple boundary conditions |
| CN201510198986.2A Withdrawn - After Issue CN104901017B (en) | 2015-01-23 | 2015-04-24 | slot antenna with multiple boundary conditions |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510198986.2A Withdrawn - After Issue CN104901017B (en) | 2015-01-23 | 2015-04-24 | slot antenna with multiple boundary conditions |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN204614954U (en) |
| TW (1) | TWI553959B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901017A (en) * | 2015-01-23 | 2015-09-09 | 威海市泓淋电子有限公司 | slot antenna with multiple boundary conditions |
| CN109565105A (en) * | 2016-08-09 | 2019-04-02 | 威里利生命科学有限责任公司 | Multiple antennas wearable device |
| CN110544815A (en) * | 2018-05-29 | 2019-12-06 | 苹果公司 | Electronic equipment broadband antenna |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI732931B (en) * | 2016-09-29 | 2021-07-11 | 仁寶電腦工業股份有限公司 | Antenna structure |
| TWI616026B (en) * | 2017-02-17 | 2018-02-21 | 和碩聯合科技股份有限公司 | Electronic device |
| CN112825387A (en) * | 2019-11-21 | 2021-05-21 | 启碁科技股份有限公司 | Antenna structure |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4367475A (en) * | 1979-10-30 | 1983-01-04 | Ball Corporation | Linearly polarized r.f. radiating slot |
| JP3004082B2 (en) * | 1991-06-19 | 2000-01-31 | 京セラ株式会社 | Flat slot antenna |
| US5754143A (en) * | 1996-10-29 | 1998-05-19 | Southwest Research Institute | Switch-tuned meandered-slot antenna |
| KR100672206B1 (en) * | 2004-02-19 | 2007-01-22 | 주식회사 이엠따블유안테나 | Internal antenna for handset and design method thereof |
| US7176842B2 (en) * | 2004-10-27 | 2007-02-13 | Intel Corporation | Dual band slot antenna |
| JP2007060127A (en) * | 2005-08-23 | 2007-03-08 | Sony Corp | Slot antenna |
| WO2008139864A1 (en) * | 2007-05-16 | 2008-11-20 | Nec Corporation | Slot antenna |
| US8884835B2 (en) * | 2012-08-09 | 2014-11-11 | Intel Mobile Communications GmbH | Antenna system, method and mobile communication device |
| US10003121B2 (en) * | 2012-08-29 | 2018-06-19 | Htc Corporation | Mobile device and antenna structure |
| TWI466382B (en) * | 2013-10-03 | 2014-12-21 | Acer Inc | Mobile communication device |
| TWI553959B (en) * | 2015-01-23 | 2016-10-11 | 泓博無線通訊技術有限公司 | Slot antenna with multiple boundary conditions |
-
2015
- 2015-01-23 TW TW104102292A patent/TWI553959B/en active
- 2015-04-24 CN CN201520253818.4U patent/CN204614954U/en not_active Withdrawn - After Issue
- 2015-04-24 CN CN201510198986.2A patent/CN104901017B/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901017A (en) * | 2015-01-23 | 2015-09-09 | 威海市泓淋电子有限公司 | slot antenna with multiple boundary conditions |
| CN104901017B (en) * | 2015-01-23 | 2017-10-31 | 威海市泓淋电子有限公司 | slot antenna with multiple boundary conditions |
| CN109565105A (en) * | 2016-08-09 | 2019-04-02 | 威里利生命科学有限责任公司 | Multiple antennas wearable device |
| CN109565105B (en) * | 2016-08-09 | 2020-11-03 | 威里利生命科学有限责任公司 | Multi-antenna wearable device |
| CN110544815A (en) * | 2018-05-29 | 2019-12-06 | 苹果公司 | Electronic equipment broadband antenna |
| CN110544815B (en) * | 2018-05-29 | 2021-11-23 | 苹果公司 | Electronic equipment broadband antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104901017A (en) | 2015-09-09 |
| TWI553959B (en) | 2016-10-11 |
| TW201628265A (en) | 2016-08-01 |
| CN104901017B (en) | 2017-10-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 264213 No. 9-10 Pudong Road, Weihai Economic and Technological Development Zone, Shandong Province Patentee after: Weihai city Hong Lin Electric Power Technology Limited by Share Ltd Address before: 264213 No. 9-10 Pudong Road, Weihai Economic and Technological Development Zone, Weihai City, Shandong Province Patentee before: Weihai Honglin Electronics Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150902 Effective date of abandoning: 20200304 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150902 Effective date of abandoning: 20200304 |