CN117353034B - Broadband directional ceiling antenna - Google Patents
Broadband directional ceiling antenna Download PDFInfo
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- CN117353034B CN117353034B CN202311642844.1A CN202311642844A CN117353034B CN 117353034 B CN117353034 B CN 117353034B CN 202311642844 A CN202311642844 A CN 202311642844A CN 117353034 B CN117353034 B CN 117353034B
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- 230000005855 radiation Effects 0.000 claims abstract description 32
- 230000008602 contraction Effects 0.000 claims abstract description 19
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 230000005404 monopole Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/007—Details of, or arrangements associated with, antennas specially adapted for indoor communication
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Aerials With Secondary Devices (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention provides a broadband directional ceiling antenna. The broadband directional ceiling antenna comprises: the radiating oscillator (1) comprises a rectangular plate section (2), side plates (3) and a contraction plate section (4), wherein the contraction plate section (4) is connected to the lower portion of the rectangular plate section (2), the side plates (3) are positioned on two sides of the rectangular plate section (2) and are bent from the rectangular plate section (2) to the same side, and the width of the contraction plate section (4) is gradually reduced along the direction away from the rectangular plate section (2); a reflection unit (5) arranged behind the radiation vibrator (1), and the side plate (3) extends towards the reflection unit (5); the bottom plate (6), the radiation vibrator (1) and the reflecting unit (5) are arranged on the bottom plate (6); the outer cover (7) is arranged on the bottom plate (6), and the radiating oscillator (1) and the bottom plate (6) are both positioned in the outer cover (7). According to the broadband directional ceiling antenna provided by the invention, the size of a radiating unit can be reduced, and the low-frequency bandwidth can be more converged.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to a broadband directional ceiling antenna.
Background
The indoor antenna transmits mobile communication signals to all corners in the building through an antenna feeder line by the aid of the distributed antenna system in the building, so that the problems of weak indoor signal strength and poor indoor signal quality are solved, meanwhile, telephone traffic borne by the base station antenna is shared, the problem of mutual interference of signal field intensity is solved, and network congestion caused by excessive users is avoided; the indoor ceiling antenna is used as an indoor distributed antenna, is mainly applied to long and narrow buildings such as corridor hallways, vertical elevator channels and tunnels, and needs to be designed in a miniature and invisible manner to avoid affecting the indoor original decoration environment and causing user dislike due to the special use environment. The patent provides the directional ceiling antenna which works in 806-960/1710-2700MHz dual-band, has excellent performance and is easy to realize.
The existing directional ceiling antenna can be divided into three implementation modes according to different radiation oscillators, wherein the radiation oscillator is a patch oscillator in one mode, for example, patent CN200320118549.8 discloses a broadband directional ceiling antenna, an E-shaped patch oscillator is a main radiation unit, broadband bandwidth is obtained through L-shaped branch coupling feed, and meanwhile, the impedance matching performance is further improved by the coupling patch on the upper part of the radiator; the second mode uses radiating oscillators as + -45 DEG dual polarized oscillators, for example, patent CN201420062076.2 discloses a wideband dual polarized LTE directional antenna oscillator, CN202221453085.5 discloses a wideband dual polarized directional ceiling antenna, the radiating oscillators are all cross-placed dipoles, the radiating elements are fed through balun, and a steering unit can be added above the oscillators to expand the bandwidth of the antenna; the bottom plates in the two modes are used as the reflecting units, so that the maximum radiation direction of the antenna is right above the radiating units, the whole antenna lobe width is narrower due to the implementation mode, when the antenna is used as a directional ceiling antenna indoors, the coverage area is reduced, and the coverage requirement of indoor signals is difficult to meet; at the same time, such radiating elements typically cover the frequency band of either the intermediate frequency (1710-2700 MHz) or the high frequency oscillator (3300-3700 MHz), but it is difficult to achieve simultaneous application of the low frequency (806-960 MHz) and the intermediate frequency (1710-2700 MHz).
The third mode is that monopole oscillator is used as radiating element, for example, patent CN200920194859.5 discloses a broadband directional ceiling antenna, CN200420072525.8 discloses a double broadband side directional ceiling directional antenna, monopole is located above circular bottom plate, direct feed is performed through coaxial cable, reflection unit and guiding unit are added at two sides of oscillator to realize directional radiation of pattern, this implementation mode is because low intermediate frequency wavelength has larger phase difference, lobe width is more divergent in whole frequency band, and curved oscillator, reflection unit, conical radiating unit, etc. have bigger overall size, which brings difficulty for practical processing and uniformity of antenna performance is also worse.
When the patch oscillator and the cross dipole are used as the radiation unit, the bottom plate is equivalent to the reflection unit, at the moment, the maximum radiation direction of the antenna is right above the oscillator, the whole antenna lobe width is narrower, the coverage area is difficult to meet the indoor directional ceiling antenna requirement, and the antenna frequency range cannot realize the simultaneous coverage of low intermediate frequency; when the monopole oscillator is used as a radiation unit, the prior scheme has a relatively divergent lobe width in the whole frequency band, and the bent radiation unit, the reflecting unit or a plurality of cones are used for realizing broadband radiation, so that the monopole oscillator has larger size, is not beneficial to production and manufacture, and has poor antenna consistency.
Disclosure of Invention
The invention mainly aims to provide a broadband directional ceiling antenna which can reduce the size of a radiating unit and enable the low-frequency lobe width to be more converged.
To achieve the above object, according to an aspect of the present invention, there is provided a broadband directional ceiling antenna comprising:
the radiating oscillator comprises a rectangular plate section, side plates and a contraction plate section, wherein the contraction plate section is connected to the lower part of the rectangular plate section, the side plates are positioned on two sides of the rectangular plate section and are bent from the rectangular plate section to the same side, and the width of the contraction plate section is gradually reduced along the direction away from the rectangular plate section;
the reflecting unit is arranged behind the radiating oscillator, and the side plate extends towards the radiating unit;
the bottom plate, the radiation oscillator and the reflecting unit are arranged on the bottom plate;
the outer cover is arranged on the bottom plate, and the radiating oscillator and the bottom plate are both positioned in the outer cover.
Further, the reflection unit includes a reflection plate, and the rectangular plate segment is parallel to the reflection plate.
Further, the reflecting unit further comprises a spacer, the extending direction of the spacer is a horizontal direction, the spacer protrudes towards the radiating oscillator, and the height of the spacer is higher than the maximum height of the radiating oscillator.
Further, the side plate is perpendicular to the rectangular plate section and/or the broadband directional ceiling antenna further comprises a coaxial cable, and the coaxial cable penetrates through the bottom plate to be electrically connected with the radiating oscillator.
Further, the broadband directional ceiling antenna further comprises a short circuit piece, one end of the short circuit piece is connected to the upper half part of the rectangular plate section, and the other end of the short circuit piece is connected to the bottom plate.
Further, the shorting tab extends along the plate surface direction of the rectangular plate segment.
Further, a guiding unit is arranged on the bottom plate and is arranged on one side of the radiating oscillator far away from the reflecting unit.
Further, the guiding unit comprises a semicircular plate, and the semicircular plate of the guiding unit is arranged parallel to the rectangular plate section.
Further, the radiating element, the reflecting element and the director element are all symmetrical about the same vertical plane.
Further, the distance between the rectangular plate segments and the reflecting plate is 40 mm-60 mm.
By applying the technical scheme of the invention, the broadband directional ceiling antenna comprises: the radiating oscillator comprises a rectangular plate section, side plates and a contraction plate section, wherein the contraction plate section is connected to the lower part of the rectangular plate section, the side plates are positioned on two sides of the rectangular plate section and are bent from the rectangular plate section to the same side, and the width of the contraction plate section is gradually reduced along the direction away from the rectangular plate section; the reflecting unit is arranged behind the radiation oscillator, and the side plate extends towards the reflecting unit; the bottom plate, the radiation oscillator and the reflecting unit are arranged on the bottom plate; the outer cover is arranged on the bottom plate, and the radiating oscillator and the bottom plate are both positioned in the outer cover. The radiating oscillator of the broadband directional ceiling antenna adopts the monopole oscillator of the omnidirectional antenna, and the radiating oscillator has broadband characteristics by arranging the rectangular plate section and the contraction plate section, the radiating oscillator is used as a low-frequency radiating unit and an intermediate-frequency radiating unit in the antenna, and the size of the radiating unit can be reduced by arranging the side plates extending towards the reflecting unit on two sides of the rectangular plate section, so that the low-frequency lobe width is more converged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the internal structure of a wideband directional ceiling antenna according to an embodiment of the present invention;
FIG. 2 shows a schematic side view of a broadband directional ceiling antenna according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a broadband directional ceiling antenna according to an embodiment of the present invention;
FIG. 4 is a standing wave plot of a wideband directional ceiling antenna of an embodiment of the present invention;
FIG. 5 is a low frequency (806-960 MHz) horizontal plane pattern of a wideband directional ceiling antenna of an embodiment of the present invention;
fig. 6 is a mid-frequency (1710-2700 MHz) horizontal plane pattern of a wideband directional ceiling antenna according to an embodiment of the invention.
Wherein the above figures include the following reference numerals:
1. a radiating oscillator; 2. a rectangular plate segment; 3. a side plate; 4. shrinking the plate section; 5. a reflection unit; 6. a bottom plate; 7. an outer cover; 8. a reflection plate; 9. a short circuit piece; 10. a spacer; 11. a steering unit; 12. a coaxial cable.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1 to 6 in combination, the present invention provides a wideband directional ceiling antenna, comprising: the radiating oscillator 1 comprises a rectangular plate section 2, side plates 3 and a contraction plate section 4, wherein the contraction plate section 4 is connected to the lower side of the rectangular plate section 2, the side plates 3 are positioned on two sides of the rectangular plate section 2 and are bent from the rectangular plate section 2 to the same side, and the width of the contraction plate section 4 is gradually reduced along the direction away from the rectangular plate section 2; a reflection unit 5 disposed at the rear of the radiation vibrator 1, the side plate 3 extending toward the reflection unit 5; the bottom plate 6, the radiation oscillator 1 and the reflecting unit 5 are arranged on the bottom plate 6; the housing 7 is arranged on the bottom plate 6, and the radiating oscillator 1 and the bottom plate 6 are both positioned in the housing 7.
The radiating oscillator 1 of the broadband directional ceiling antenna adopts a monopole oscillator of an omnidirectional antenna, and has broadband characteristics by arranging the rectangular plate section 2 and the contraction plate section, the radiating oscillator is used as a low-frequency radiating unit and an intermediate-frequency radiating unit in the antenna, and the size of the radiating unit can be reduced by arranging side plates extending towards the reflecting unit on two sides of the rectangular plate section, so that the low-frequency lobe width is more converged.
In one embodiment, the bottom of the contraction plate section 4 is provided with a bending plate, and a hole site for welding an inner conductor of the coaxial cable is reserved on the bending plate, so that feeding of the antenna is realized by welding the coaxial cable on the radiating oscillator.
In one embodiment, the rectangular plate section 2, the side plate 3 and the shrinkage plate section 4 are integrally formed, and the side plate 3 is formed by bending two sides of the rectangular plate section 2.
In one embodiment, the reflection unit 5 comprises a reflection plate 8, the rectangular plate segments 2 being parallel to the reflection plate 8. The reflection plate 8 is a metal plate.
In an embodiment, the reflecting unit 5 further comprises a spacer 10, the direction of extension of the spacer 10 being horizontal, the spacer 10 protruding towards the radiating element 1 and being higher than the maximum height of the radiating element 1.
The radiating oscillator 1 adopts a monopole oscillator of an omnidirectional antenna, uniformly radiates on a horizontal plane, and the reflecting unit 5 made of metal materials is added behind the radiating oscillator 1, so that the directional radiation performance of the radiating oscillator 1 can be realized, the maximum radiation of the radiating oscillator 1 is in the x direction, and the radiation direction of the radiating oscillator 1 is optimized.
The reflection unit is composed of an irregular metal reflection plate 8 and a separation strip 10 vertically assembled on the upper part of the reflection plate 8, wherein the metal reflection plate 8 reflects energy behind the vibrator, so that the maximum radiation direction of the antenna is in the +x direction, and the transverse separation strip 10 has two functions, namely, the impedance of the whole frequency band is more approximate to 50 ohms, the imaginary part is more approximate to 0, and on the other hand, the performance is optimal when the horizontal plane valve width is more converged in the whole frequency band by optimizing the length and the height of the separation strip, and the height of the separation strip is generally 0.1λ -0.2λ. Lambda represents the wavelength of the center frequency of the operating band.
The contraction plate section 4 is of an inverted trapezoid structure or of a trapezoid-like structure with two arc-shaped sides, and is matched with the rectangular plate section 2, so that the radiation vibrator 1 has broadband characteristics.
The rectangular plate section 2 and the shrinkage plate section 4 are parallel to the reflecting plate 8, and the radiation direction of the radiation vibrator 1 can be optimally adjusted by using the reflecting plate 8, so that the directional radiation performance is maximized.
In one embodiment, the bottom of the reflection plate 8 is provided with a connection plate, which is disposed on the bottom plate 6, thereby realizing the installation and fixation of the reflection plate 8 on the bottom plate 6. The connection plate may be connected to the base plate 6 by riveting or screwing.
In one embodiment, the side plates 3 are perpendicular to the rectangular plate segments 2, which may enable the radiating element 1 to obtain a more convergent low-frequency lobe width with smaller dimensions, enabling the wideband directional ceiling antenna to be further optimized.
In one embodiment, the wideband directional ceiling antenna further comprises a shorting tab 9, one end of the shorting tab 9 being connected to the upper half of the rectangular plate section 2, and the other end of the shorting tab 9 being connected to the bottom plate 6.
After the metal reflecting plate 8 is added behind the radiation oscillator 1, the low-frequency band has low frequency and long corresponding wavelength, so that the compatibility between the radiation oscillator 1 and the metal reflecting plate 8 is larger, and the difficulty is brought to low-frequency band matching; in order to solve the problem of low frequency matching, two short circuit pieces 9 are symmetrically added to the upper half part of the radiating oscillator 1, after the short circuit pieces 9 are introduced, the low frequency range inductance is increased, the inductance is mutually offset with the capacitance generated by the metal reflecting plate 8, standing waves are more easily reduced, the short circuit pieces 9 prolong the low frequency current path, and the size of the radiating oscillator 1 is reduced.
In one embodiment, the shorting tab 9 extends in the direction of the face of the rectangular plate segment 2.
The short circuit piece 9 can be of a straight plate structure or a bending structure, so that a proper current path can be selected according to the requirement, and the radiating oscillator 1 has better working performance.
One end of the short-circuit piece 9 is connected with the radiating oscillator 1, and the other end is connected with the bottom plate 6, and the short-circuit piece is fixedly connected with the radiating oscillator through a self-plugging rivet.
In an embodiment the base plate 6 is provided with a director element 11, the director element 11 being arranged on the side of the radiating element 1 remote from the reflector element 5.
The guiding unit 11 comprises a semicircular plate, the semicircular plate of the guiding unit 11 being arranged parallel to the rectangular plate segment 2.
In one embodiment, the medium-high frequency performance is optimal when the distance between the rectangular plate segment 2 and the reflecting plate 8 is 40 mm-60 mm. According to the antenna radiation principle, when the distance between the vibrator and the reflecting plate is larger than one quarter wavelength, the current is reversed, the directional diagram is split, and the gain is reduced; for the intermediate frequency, the quarter wavelength of the 2700MHz frequency point is about 27mm, so that when the frequency is higher, the gain is reduced, the horizontal plane lobe is split, the index requirement cannot be met, in order to solve the pattern problem of the high frequency point, a semicircular guide unit is added in front of the radiation oscillator, and the size of the guide unit is optimized, so that on one hand, a resonance point is introduced at the high frequency position, the high frequency matching is better, on the other hand, the guide unit enables the high frequency to radiate towards the +x direction, the gain is increased, and the lobe cracking problem is improved.
In one embodiment, the broadband directional ceiling antenna further comprises a coaxial cable 12, and the coaxial cable 12 passes through the bottom plate 6 to be electrically connected with the radiating element 1, so as to realize feeding of the antenna.
FIG. 4 is a graph of standing waves of the wideband directional ceiling antenna of the present embodiment, showing that the standing waves at both low frequency (806-960 MHz) and intermediate frequency (1710-2700 MHz) are less than 1.4; the invention is shown in figure 5, which shows the horizontal plane patterns of the low frequency (806-960 MHz) and the intermediate frequency (1710-2700 MHz) of the broadband directional ceiling antenna of the embodiment, and the low frequency horizontal plane lobe width of the antenna is controlled to be 109-116 degrees and the intermediate frequency horizontal plane lobe width is controlled to be 90-98 degrees by the joint action of the oscillator side bending, the guiding unit and the reflecting unit.
In one embodiment, the radiating oscillator 1, the reflecting unit 5 and the guiding unit 11 are symmetrical about the same vertical plane, so that the radiating oscillator, the reflecting unit 5 and the guiding unit have better correspondence, the valve width is wider, the coverage range is wider, the requirement of simultaneous working of low intermediate frequency is met, the valve width is more converged, and the design flexibility and the production convenience are improved.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A broadband directional ceiling antenna, comprising:
the radiating oscillator (1) comprises a rectangular plate section (2), side plates (3) and a contraction plate section (4), wherein the contraction plate section (4) is connected to the lower portion of the rectangular plate section (2), the side plates (3) are positioned on two sides of the rectangular plate section (2) and are bent from the rectangular plate section (2) to the same side, and the width of the contraction plate section (4) is gradually reduced along the direction away from the rectangular plate section (2);
a reflection unit (5) disposed behind the radiation element (1), the side plate (3) extending toward the reflection unit (5);
the bottom plate (6), the radiation vibrator (1) and the reflecting unit (5) are arranged on the bottom plate (6);
the outer cover (7) is arranged on the bottom plate (6), and the radiating oscillator (1) and the bottom plate (6) are both positioned in the outer cover (7);
a guiding unit (11) is arranged on the bottom plate (6), and the guiding unit (11) is arranged on one side of the radiation vibrator (1) far away from the reflecting unit (5);
the guiding unit (11) comprises a semicircular plate, and the semicircular plate of the guiding unit (11) is arranged parallel to the rectangular plate section (2);
the radiating oscillator (1), the guiding unit (11) and the reflecting unit (5) are combined to control the low-frequency horizontal plane lobe width of the antenna to be 109-116 degrees and the intermediate-frequency horizontal plane lobe width to be 90-98 degrees.
2. Broadband directional ceiling antenna according to claim 1, characterized in that the reflecting unit (5) comprises a reflecting plate (8), the rectangular plate segments (2) being parallel to the reflecting plate (8).
3. The broadband directional ceiling antenna according to claim 1, characterized in that the reflecting unit (5) further comprises a spacer (10), the extension direction of the spacer (10) is a horizontal direction, the spacer (10) protrudes towards the radiating element (1) and has a height higher than the maximum height of the radiating element (1).
4. A broadband directional ceiling antenna according to any one of claims 1 to 3, characterized in that said side plates (3) are perpendicular to said rectangular plate segments (2); and/or, the broadband directional ceiling antenna further comprises a coaxial cable (12), and the coaxial cable (12) passes through the bottom plate (6) to be electrically connected with the radiating oscillator (1).
5. The broadband directional ceiling antenna according to claim 1, further comprising a shorting tab (9), one end of the shorting tab (9) being connected to the upper half of the rectangular plate section (2), the other end of the shorting tab (9) being connected to the bottom plate (6).
6. The broadband directional ceiling antenna according to claim 5, characterized in that said shorting tab (9) extends in the direction of the plate face of said rectangular plate section (2).
7. Broadband directional ceiling antenna according to claim 1, characterized in that the radiating element (1), the reflecting unit (5) and the director unit (11) are all symmetrical about the same vertical plane.
8. The broadband directional ceiling antenna according to claim 2, characterized in that the distance between the rectangular plate segment (2) and the reflecting plate (8) is 40 mm-60 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311642844.1A CN117353034B (en) | 2023-12-04 | 2023-12-04 | Broadband directional ceiling antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311642844.1A CN117353034B (en) | 2023-12-04 | 2023-12-04 | Broadband directional ceiling antenna |
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| CN117353034A CN117353034A (en) | 2024-01-05 |
| CN117353034B true CN117353034B (en) | 2024-03-19 |
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| CN202311642844.1A Active CN117353034B (en) | 2023-12-04 | 2023-12-04 | Broadband directional ceiling antenna |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003347841A (en) * | 2002-05-23 | 2003-12-05 | Ntt Docomo Inc | Monopole antenna with conductive reflector |
| CN2817091Y (en) * | 2005-04-08 | 2006-09-13 | 广州市赛乐通信科技有限公司 | Broad band directional ceiling antenna |
| CN1917286A (en) * | 2006-09-01 | 2007-02-21 | 京信通信技术(广州)有限公司 | Top suction type directional radiation antenna in broadband |
| CN2893956Y (en) * | 2006-04-30 | 2007-04-25 | 京信通信技术(广州)有限公司 | Wide frequency directional ceiling antenna |
| JP2007174158A (en) * | 2005-12-21 | 2007-07-05 | Nec Corp | Ceiling embedded antenna |
| CN101340019A (en) * | 2008-08-26 | 2009-01-07 | 京信通信系统（中国）有限公司 | Wideband omni-directional ceiling suction antenna |
| CN201523082U (en) * | 2009-09-16 | 2010-07-07 | 广州杰赛科技股份有限公司 | Wideband directional ceiling antenna |
| CN104900987A (en) * | 2015-05-13 | 2015-09-09 | 武汉虹信通信技术有限责任公司 | Broadband radiating unit and antenna array |
| CN205680777U (en) * | 2016-05-19 | 2016-11-09 | 深圳市爱伦纳电讯实业有限公司 | A kind of MIMO ceiling mount antenna |
| CN206379469U (en) * | 2017-01-18 | 2017-08-04 | 佛山市盛夫通信设备有限公司 | A kind of high-gain ceiling mount antenna |
| WO2022005931A1 (en) * | 2020-07-03 | 2022-01-06 | Airgain, Inc. | 5g ultra-wideband monopole antenna |
| CN117080721A (en) * | 2023-08-11 | 2023-11-17 | 佛山市迪安通讯设备有限公司 | Single polarization radiating element, air microstrip radiating element and wall-mounted antenna |
-
2023
- 2023-12-04 CN CN202311642844.1A patent/CN117353034B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003347841A (en) * | 2002-05-23 | 2003-12-05 | Ntt Docomo Inc | Monopole antenna with conductive reflector |
| CN2817091Y (en) * | 2005-04-08 | 2006-09-13 | 广州市赛乐通信科技有限公司 | Broad band directional ceiling antenna |
| JP2007174158A (en) * | 2005-12-21 | 2007-07-05 | Nec Corp | Ceiling embedded antenna |
| CN2893956Y (en) * | 2006-04-30 | 2007-04-25 | 京信通信技术(广州)有限公司 | Wide frequency directional ceiling antenna |
| CN1917286A (en) * | 2006-09-01 | 2007-02-21 | 京信通信技术(广州)有限公司 | Top suction type directional radiation antenna in broadband |
| CN101340019A (en) * | 2008-08-26 | 2009-01-07 | 京信通信系统（中国）有限公司 | Wideband omni-directional ceiling suction antenna |
| CN201523082U (en) * | 2009-09-16 | 2010-07-07 | 广州杰赛科技股份有限公司 | Wideband directional ceiling antenna |
| CN104900987A (en) * | 2015-05-13 | 2015-09-09 | 武汉虹信通信技术有限责任公司 | Broadband radiating unit and antenna array |
| CN205680777U (en) * | 2016-05-19 | 2016-11-09 | 深圳市爱伦纳电讯实业有限公司 | A kind of MIMO ceiling mount antenna |
| CN206379469U (en) * | 2017-01-18 | 2017-08-04 | 佛山市盛夫通信设备有限公司 | A kind of high-gain ceiling mount antenna |
| WO2022005931A1 (en) * | 2020-07-03 | 2022-01-06 | Airgain, Inc. | 5g ultra-wideband monopole antenna |
| CN117080721A (en) * | 2023-08-11 | 2023-11-17 | 佛山市迪安通讯设备有限公司 | Single polarization radiating element, air microstrip radiating element and wall-mounted antenna |
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| CN117353034A (en) | 2024-01-05 |
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