CN203481393U - Inner core antenna - Google Patents
Inner core antenna Download PDFInfo
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- CN203481393U CN203481393U CN201320567748.0U CN201320567748U CN203481393U CN 203481393 U CN203481393 U CN 203481393U CN 201320567748 U CN201320567748 U CN 201320567748U CN 203481393 U CN203481393 U CN 203481393U
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Abstract
The utility model, which is suitable for the field of the antenna technology, provides an inner core antenna comprising a dielectric substrate, a first radiation oscillator, a second radiation oscillator, and a phase shifting unit in a bending mode. The first radiation oscillator and the second radiation oscillator are arranged at the surface of the dielectric substrate side by side. The first radiation oscillator includes a first radiation portion and a second radiation portion approaching one side of the first radiation portion; and the phase shifting unit is coupled between two opposite sides of the second radiation oscillator and the first radiation portion. Simple phase shifting is carried out on the radiation field of the second radiation oscillator by the phase shifting unit, thereby realizing performance overlapping of the first radiation oscillator and the second radiation oscillator and improving the gain of the inner core antenna. Meanwhile, the wiring area of the antenna is reduced and the generation cost is lowered.
Description
Technical field
The utility model belongs to field of antenna, relates in particular to a kind of inner core antenna.
Background technology
Microstrip antenna is exactly additional conduction band thin slice and the antenna that produces on the dielectric substrate with conduction band ground plate.Microstrip antenna can utilize the wires such as microstrip line or coaxial line to implement, and to produce radio frequency electromagnetic field between conduction band thin slice and ground plate, and radio frequency electromagnetic field is outwards dispersed by the gap between conduction band thin slice surrounding and ground plate.
Tradition 5dBi antenna is all to adopt the parts such as metal ground pipe, copper cash spring to form, and exists gain low, and the wiring area of paster is large, causes long processing time, problem that production cost is high.
Utility model content
The object of the utility model embodiment is to provide by phase shift and realizes a kind of inner core antenna that superposes in performance, is intended to solve traditional antenna and exists gain low, and paster area is large, the high problem of production cost.
A kind of inner core antenna that the utility model provides, a kind of inner core antenna, comprise medium substrate, be arranged side by side in first radiation a period of time on this medium substrate one surface and second radiation a period of time and the phase-shift unit that is bent, described first radiation a period of time comprises the first Department of Radiation and near the second Department of Radiation of this first Department of Radiation one side, and described phase-shift unit is coupled between the side relative with two of described the first Department of Radiation of described second radiation a period of time.
Further, described second radiation a period of time is rectangular, and described the first Department of Radiation, the second Department of Radiation and second radiation a period of time coaxial line are arranged.
Further, described the first Department of Radiation and the second Department of Radiation are all identical rectangles of shape and size, and wherein, described the first Department of Radiation and the second Department of Radiation form dipole antenna.
Further, the wiring path length value of described phase-shift unit roughly corresponding described inner core antenna wavelength 1/2nd.
Further, described phase-shift unit comprises the first elongated phase shift portion and is enclosed to form the second phase shift portion in unsealed convex space, the bossing in this convex space has the opening perpendicular to described axis direction, the side that the first end of described the first phase shift portion is relative with described second radiation a period of time with described the first Department of Radiation couples, the second end of described the first phase shift portion and the first end of described the second phase shift portion couple, and the side of the second end of described the second phase shift portion is connected in the side relative with described the first Department of Radiation of described second radiation a period of time.
Further, the first phase shift portion of described strip and described the first Department of Radiation, the second Department of Radiation and second radiation a period of time coaxial line are arranged.
Further, described the second phase shift portion deviates from a side of described axis.
Further, parallel with this axis from the wiring farthest of described axis in described the second phase shift portion, and should be from the wiring farthest of described axis and the limit of described the first Department of Radiation on axis direction at same plane.
Further, the wiring width of described phase-shift unit, the width of described second radiation a period of time in the direction vertical with described axis increase progressively successively with the width of the first Department of Radiation in the direction vertical with described axis.
Further, described second radiation a period of time length is greater than the length of described the first Department of Radiation on described axis direction.
Above-mentioned inner core antenna is by the simple phase shift of the radiation field by second radiation a period of time of phase-shift unit, realize the stack in first radiation a period of time and second radiation a period of time performance, improve the gain of inner core antenna, made the wiring area of antenna be reduced simultaneously, reduced manufacturing cost.
Accompanying drawing explanation
Fig. 1 is the inner core antenna schematic diagram that the utility model embodiment provides;
The inner core antenna return loss characteristic Simulation figure that Fig. 2 provides for the utility model embodiment;
The voltage standing wave ratio analogous diagram of the inner core antenna that Fig. 3 provides for the utility model embodiment;
The gain performance analogous diagram of the inner core antenna that Fig. 4 provides for the utility model embodiment.
Embodiment
In order to make the technical problems to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that tool band embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the inner core antenna structure view that a preferred embodiment provides.In the present embodiment, the scope of the resonance frequency 2.4～2.5GHz of inner core antenna is example.This inner core antenna comprises medium substrate 110, first radiation a period of time 120, second radiation a period of time 130 and phase-shift unit 140.
First radiation a period of time 120 and second radiation a period of time 130 are arranged side by side in this medium substrate 110 one of them surface, first radiation a period of time 120 comprised the second Department of Radiation 124 of the first rectangular Department of Radiation 122 and close these the first Department of Radiation 122 1 sides, preferably, second radiation a period of time 130 is rectangular.
Preferably, the first Department of Radiation 122, the second Department of Radiation 124 and second radiation a period of time 130 coaxial line Z-Z ' arrange, and so, are conducive to the Phase Stacking between two radiation a period of time (120 and 130).Further, the first Department of Radiation 122 and the second Department of Radiation 124 are all identical rectangles of shape and size, and so, the first Department of Radiation 122 and the second Department of Radiation 124 form dipole antennas.It should be noted that, the first Department of Radiation 122 and the second Department of Radiation 124 are to be separated by with gap, and the first Department of Radiation 122 is for be connected feed effect with external circuit, and the second Department of Radiation 124 has been ground connection effects.
Phase-shift unit 140 is bent, and phase-shift unit 140 is coupled between second radiation a period of time 130 side relative with two of the first Department of Radiation 122, and phase-shift unit 140 is for by the radiation field phase shifts in second radiation a period of time 130.Particularly, according to the design principle of array antenna, the wiring path length value of phase-shift unit 140 roughly corresponding inner core antenna wavelength 1/2nd, preferably two values equate.
Further, therein in an embodiment, phase-shift unit 140 comprises the first elongated phase shift portion 142 and is enclosed to form unsealed convex the second phase shift portion 144, and the bossing in this convex space has the opening 145 perpendicular to axis Z-Z ' direction.The side that the first end of the first phase shift portion 142 is relative with second radiation a period of time 130 with the first Department of Radiation 122 couples, the first end of the first phase shift portion 142 second ends and the second phase shift portion 144 couples, and the side of the second end of the second phase shift portion 144 is connected in second radiation a period of time 130 side relative with the first Department of Radiation 122.Preferably, the first phase shift portion 142 of strip and the first Department of Radiation 122, the second Department of Radiation 124 and second radiation a period of time 130 coaxial line Z-Z ' arrange, and so, are conducive to two Phase Stackings between radiation a period of time.
The second phase shift portion 144 deviates from a side of axis Z-Z ', and the second phase shift portion 144 drops between axis Z-Z ' and the extended line on the limit of the first Department of Radiation 122 in axis Z-Z ' direction, also can be described as a side that is laid on medium substrate 110.Further, parallel with axis Z-Z ' from axis Z-Z ' wiring 1441 farthest in the second phase shift portion 144, and should be from wiring 1441 farthest of axis Z-Z ' and the limit of the first Department of Radiation 122 in axis Z-Z ' direction at same plane.By adjusting width and the length in the convex space of the second phase shift portion 144, can improve two first radiation a period of time 120 and second radiation a period of time capacitive state of 130, eliminate the reactive component in impedance, in required frequency range, form resonance.
In the present embodiment, the wiring width of phase-shift unit 140, second radiation a period of time 130 width, the first Department of Radiation 122 in the direction vertical with axis Z-Z ' is that the width in direction that axis Z-Z ' is vertical increases progressively successively; Second radiation a period of time 130 length is greater than the length of the first Department of Radiation 122 in axis Z-Z ' direction, and the length of the first phase shift portion 142 in axis Z-Z ' direction is between second radiation a period of time 130 and the first Department of Radiation 122 between the length in axis Z-Z ' direction.
By the simple phase shift of the radiation field by second radiation a period of time 130 of phase-shift unit 140, realize the stack in first radiation a period of time 120 and second radiation a period of time 130 performance, improve the gain of inner core antenna, made the wiring area of antenna be reduced simultaneously, reduced manufacturing cost.
Adopt the return loss characteristic analogous diagram of above-mentioned inner core antenna can be referring to Fig. 2; Adopt the voltage standing wave ratio analogous diagram of above-mentioned inner core antenna can be referring to Fig. 3.What Fig. 2 and Fig. 3 showed is that the utility model antenna can form good coupling with external circuit, and the energy of external circuit can the most effectively be transferred on antenna.As shown in Table 1, be respectively the corresponding ginseng of three test points in Fig. 2 and Fig. 3.
Table one:
| |
1 | 2 | 3 |
| Frequency (MHz) | 2400 | 2450 | 2500 |
| VSWR(voltage standing wave ratio) | 1.4312 | 1.1402 | 1.4888 |
| S11(return loss characteristic) | -15.047 | -23.694 | -14.137 |
What Fig. 4 showed is the gain performance directional diagram of inner core antenna of the present utility model space radiation towards periphery, in fact, and perpendicular to X and Y-axis and outwards also have a Z axis by paper.As seen from the figure, affected by environment, antenna directivity can to a certain degree be affected, but whole gain of comparing in omnidirectional, particularly X, Y direction is comparatively obvious.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. an inner core antenna, it is characterized in that, comprise medium substrate, be arranged side by side in first radiation a period of time on this medium substrate one surface and second radiation a period of time and the phase-shift unit that is bent, described first radiation a period of time comprises the first Department of Radiation and near the second Department of Radiation of this first Department of Radiation one side, and described phase-shift unit is coupled between the side relative with two of described the first Department of Radiation of described second radiation a period of time.
2. inner core antenna as claimed in claim 1, is characterized in that, described second radiation a period of time is rectangular, and described the first Department of Radiation, the second Department of Radiation and second radiation a period of time coaxial line are arranged.
3. inner core antenna as claimed in claim 1 or 2, is characterized in that, described the first Department of Radiation and the second Department of Radiation are all identical rectangles of shape and size, and wherein, described the first Department of Radiation and the second Department of Radiation form dipole antenna.
4. inner core antenna as claimed in claim 1, is characterized in that, the wiring path length value of described phase-shift unit roughly corresponding described inner core antenna radiation wavelength 1/2nd.
5. inner core antenna as claimed in claim 2, it is characterized in that, described phase-shift unit comprises the first elongated phase shift portion and is enclosed to form the second phase shift portion in unsealed convex space, the bossing in this convex space has the opening perpendicular to described axis direction, the side that the first end of described the first phase shift portion is relative with described second radiation a period of time with described the first Department of Radiation couples, the second end of described the first phase shift portion and the first end of described the second phase shift portion couple, the side of the second end of described the second phase shift portion is connected in the side relative with described the first Department of Radiation of described second radiation a period of time.
6. inner core antenna as claimed in claim 5, is characterized in that, the first phase shift portion of described strip and described the first Department of Radiation, the second Department of Radiation and second radiation a period of time coaxial line are arranged.
7. the inner core antenna as described in claim 5 or 6, is characterized in that, described the second phase shift portion deviates from a side of described axis.
8. inner core antenna as claimed in claim 7, is characterized in that, parallel with this axis from the wiring farthest of described axis in described the second phase shift portion, and should be from the wiring farthest of described axis and the limit of described the first Department of Radiation on axis direction at same plane.
9. the inner core antenna as described in claim 5 or 6, it is characterized in that, the wiring width of described phase-shift unit, the width of described second radiation a period of time in the direction vertical with described axis increase progressively successively with the width of the first Department of Radiation in the direction vertical with described axis.
10. the inner core antenna as described in claim 5 or 6, is characterized in that, described second radiation a period of time length is greater than the length of described the first Department of Radiation on described axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567748.0U CN203481393U (en) | 2013-09-12 | 2013-09-12 | Inner core antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567748.0U CN203481393U (en) | 2013-09-12 | 2013-09-12 | Inner core antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481393U true CN203481393U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320567748.0U Expired - Lifetime CN203481393U (en) | 2013-09-12 | 2013-09-12 | Inner core antenna |
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| Country | Link |
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| CN (1) | CN203481393U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888492A (en) * | 2019-03-11 | 2019-06-14 | 南京理工大学 | A kind of sunk type phase shift power splitter |
| CN113571909A (en) * | 2021-06-30 | 2021-10-29 | 上海中航光电子有限公司 | Antenna unit, antenna device, and electronic apparatus |
-
2013
- 2013-09-12 CN CN201320567748.0U patent/CN203481393U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888492A (en) * | 2019-03-11 | 2019-06-14 | 南京理工大学 | A kind of sunk type phase shift power splitter |
| CN109888492B (en) * | 2019-03-11 | 2020-03-27 | 南京理工大学 | Sinking type phase-shifting power divider |
| CN113571909A (en) * | 2021-06-30 | 2021-10-29 | 上海中航光电子有限公司 | Antenna unit, antenna device, and electronic apparatus |
| CN113571909B (en) * | 2021-06-30 | 2024-02-09 | 上海中航光电子有限公司 | Antenna unit, antenna device and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN GUANGQI HEZHONG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHENZHEN KUANG-CHI INNOVATION TECHNOLOGY CO., LTD. Effective date: 20150424 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518034 SHENZHEN, GUANGDONG PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150424 Address after: 518000 Guangdong city of Shenzhen province Nanshan District South Road West Guangxi Temple northbound sun Huayi Building 1 15D-02F Patentee after: SHEN ZHEN KUANG-CHI HEZHONG TECHNOLOGY Ltd. Address before: 518034 A international business center, No. 1061, Xiang Mei Road, Guangdong, Shenzhen, Futian District, China 18B Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHENZHEN KUANG-CHI METAMATERIAL TECHNOLOGY Ltd. Assignor: SHEN ZHEN KUANG-CHI HEZHONG TECHNOLOGY Ltd. Contract record no.: 2017440020031 Denomination of utility model: Inner core antenna Granted publication date: 20140312 License type: Exclusive License Record date: 20170426 |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210218 Address after: 2 / F, software building, No.9, Gaoxin Zhongyi Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 518000 Guangdong, Shenzhen, Nanshan District, Nanhai Road, West Guangxi Temple Road North Sunshine Huayi Building 1 15D-02F Patentee before: SHEN ZHEN KUANG-CHI HEZHONG TECHNOLOGY Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |