CN108336488B - Top-loaded broadband ceiling antenna - Google Patents
Top-loaded broadband ceiling antenna Download PDFInfo
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- CN108336488B CN108336488B CN201810077138.XA CN201810077138A CN108336488B CN 108336488 B CN108336488 B CN 108336488B CN 201810077138 A CN201810077138 A CN 201810077138A CN 108336488 B CN108336488 B CN 108336488B
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- 239000004020 conductor Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 9
- 238000011161 development Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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Classifications
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- 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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- 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
- H01Q19/104—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 using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas
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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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- 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
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
Abstract
The invention relates to a top-loaded broadband ceiling antenna, which comprises a reflecting plate, an amplitude component and a coaxial cable, wherein the amplitude component is arranged on the reflecting plate, the coaxial cable passes through the reflecting plate to feed the amplitude component, and the amplitude component comprises: a first microstrip line, a second microstrip line, a third microstrip line, a fourth microstrip line, a fifth microstrip line, and a sixth microstrip line; the first microstrip line is V-shaped and is positioned in a plane called a first oscillator plane; the second microstrip line is V-shaped and is positioned in a plane called a second oscillator plane; the third microstrip line, the fourth microstrip line, the fifth microstrip line and the sixth microstrip line are in a plane called a third oscillator plane; the first microstrip line and the second microstrip line are conducted at the bottoms of the respective V shapes; the first microstrip line is communicated with the third microstrip line and the five microstrip lines; the second microstrip line is conducted with the fourth microstrip line and the sixth microstrip line. The invention has the characteristics of simple processing technology, easy processing, low cost, contribution to the development of enterprises and the like.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a top-loaded broadband ceiling antenna.
Background
Ceiling antennas are the main antenna types used for signal coverage in indoor distribution systems, and their performance directly affects system efficiency, communication quality, and network investment. The ceiling antenna generally comprises a radiator, a feeder line and a grounding plate, wherein the grounding plate is connected with the wall body, the radiator is positioned below the grounding plate, and the feeder line penetrates through the grounding plate to be connected with the radiator. According to actual needs, the radiator can adopt a vertical polarized radiator or a horizontal polarized radiator, or can adopt the vertical polarized radiator and the horizontal polarized radiator at the same time.
The conventional ceiling antenna mostly adopts a single cone oscillator scheme or a double cone oscillator scheme. At present, no matter a single cone antenna or a double cone antenna is required to be used in the market, most of the cone-shaped vibrators are formed by adopting a stamping and stretching forming process, and the cone-shaped vibrators manufactured by adopting the stamping and stretching forming process are high in processing difficulty, so that the existing ceiling antenna adopting the cone-shaped vibrators has the defects of high production cost, the product loses the price advantage during sales, and the development of enterprises is not facilitated.
Disclosure of Invention
The invention aims to provide a top-loaded broadband ceiling antenna which has the advantages of simple structure, reasonable design, simple processing technology, easy processing, low cost, contribution to the development of enterprises and the like.
The technical scheme of the invention is realized as follows: the utility model provides a broadband ceiling antenna of top loading, includes reflecting plate, amplitude subassembly, coaxial cable, the amplitude subassembly is installed on the reflecting plate, coaxial cable passes the reflecting plate and feeds to the amplitude subassembly, its characterized in that, the amplitude subassembly includes: a first microstrip line, a second microstrip line, a third microstrip line, a fourth microstrip line, a fifth microstrip line, and a sixth microstrip line; the first microstrip line is V-shaped and is positioned in a plane called a first oscillator plane; the second microstrip line is V-shaped and is positioned in a plane called a second oscillator plane; the third microstrip line, the fourth microstrip line, the fifth microstrip line and the sixth microstrip line are positioned in a plane called a third oscillator plane; the first microstrip line and the second microstrip line are conducted at the bottoms of the respective V shapes; one end of the first microstrip line is conducted with the third microstrip line, and the other end of the first microstrip line is conducted with the fifth microstrip line; one end of the second microstrip line is conducted with the fourth microstrip line, and the other end of the second microstrip line is conducted with the sixth microstrip line; the first oscillator plane is perpendicular or nearly perpendicular to the second oscillator plane; the third oscillator plane is perpendicular or nearly perpendicular to the first oscillator plane and the second oscillator plane; the inner conductor of the coaxial cable is electrically connected to the conducting parts of the first microstrip line and the second microstrip line; the outer conductor of the coaxial cable is electrically connected to the reflecting plate.
The V-shaped width A1 of the first microstrip line is in the range of 180-200 mm, and the height H1 is in the range of 20-35 mm.
The V-shaped included angle alpha of the first microstrip line is in the range of 150-170 degrees, and the line width A2 of the first microstrip line is in the range of 8-12 mm.
The V-shaped width A3 of the second microstrip line is in the range of 180-200 mm, and the height H2 is in the range of 20-35 mm.
The V-shaped included angle beta of the second microstrip line is in the range of 150-170 degrees, and the line width A4 of the second microstrip line is in the range of 8-12 mm.
The third microstrip line comprises a first section, a second section and a third section which are sequentially connected, wherein the first section and the third section are straight-line sections, and the second section is an arc section.
The fourth microstrip line comprises a first section, a second section and a third section which are sequentially connected, wherein the first section and the third section are straight-line sections, and the second section is an arc section.
The fifth microstrip line comprises a first section, a second section and a third section which are sequentially connected, wherein the first section and the third section are straight-line sections, and the second section is an arc section.
The sixth microstrip line comprises a first section, a second section and a third section which are sequentially connected, wherein the first section and the third section are straight-line sections, and the second section is an arc section.
Preferably, one end of the first microstrip line and the third microstrip line are conducted at the junction of the first section and the second section of the third microstrip line; the other end of the first microstrip line and the fifth microstrip line are conducted at the juncture of the first section and the second section of the fifth microstrip line.
Preferably, one end of the second microstrip line and the fourth microstrip line are conducted at the junction of the first section and the second section of the fourth microstrip line; the other end of the second microstrip line is conducted with the sixth microstrip line at the junction of the first section and the second section of the sixth microstrip line.
Preferably, the second section of the third microstrip line, the second section of the fourth microstrip line, the second section of the fifth microstrip line and the second section of the sixth microstrip line are all round, and the circle is called a vibrator reference circle.
Preferably, the first section and the third section of the third microstrip line, the first section and the third section of the fourth microstrip line, the first section and the third section of the fifth microstrip line, and the first section and the third section of the sixth microstrip line all face the center of the oscillator reference circle.
Preferably, the first section of the third microstrip line, the first section of the fourth microstrip line, the first section of the fifth microstrip line, and the first section of the sixth microstrip line are uniformly distributed in the oscillator reference circle.
Preferably, the shape and size of the third microstrip line are the same as those of the fifth microstrip line.
Preferably, the fourth microstrip line has the same shape and size as the sixth microstrip line.
Preferably, the line width A5 of the third microstrip line is in the range of 8-12 mm, and the stretching length of the third microstrip line is in the range of 190-280 mm.
Preferably, the length L1 of the first section of the third microstrip line is in the range of 60 to 90mm, the length L2 of the second section of the third microstrip line is in the range of 80 to 110mm, and the length L3 of the third section of the third microstrip line is in the range of 50 to 80 mm.
Preferably, an included angle γ formed by the first section and the third section of the third microstrip line is in a range of 50 ° to 60 °.
Preferably, the line width A6 of the fourth microstrip line is in the range of 8-12 mm, and the stretching length of the fourth microstrip line is in the range of 200-290 mm.
Preferably, the length L4 of the first section of the fourth microstrip line is in the range of 60 to 90mm, the length L5 of the second section of the fourth microstrip line is in the range of 115 to 145mm, and the length L6 of the third section of the fourth microstrip line is in the range of 25 to 55 mm.
Preferably, an included angle delta formed by the first section and the third section of the fourth microstrip line is in a range of 70-85 degrees.
The first microstrip line, the second microstrip line, the third microstrip line, the fourth microstrip line, the fifth microstrip line and the sixth microstrip line can be copper-clad on a PCB board or sheet metal stamping parts.
The invention has the beneficial effects that: (1) The invention takes the first microstrip line and the second microstrip line as the V-shaped design, the combined action of the first microstrip line and the second microstrip line is equivalent to the action of the cone-shaped vibrator in the prior art, and the cone-shaped vibrator is manufactured without a stamping and stretching forming process, thereby greatly simplifying the structure, and leading the invention to have the advantages of simple structure, reasonable design, simple processing process, easy processing, low cost, being beneficial to the development of enterprises and the like.
(2) The invention adopts the amplitude component formed by the combination of the first microstrip line, the second microstrip line, the third microstrip line, the fourth microstrip line, the fifth microstrip line and the sixth microstrip line, so that the amplitude component with the structure can work in the frequency range of 690-2700 MHz, and the invention has the advantages of wide frequency band and good omnidirectional radiation performance.
(3) The whole height of the invention is in the range of 20-35 mm, the section height of the product is greatly reduced, and the volume of the product is reduced, so that the invention has the advantages of low section, small volume and good roundness.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment.
Fig. 2 is a schematic structural diagram of a first microstrip line according to the first embodiment.
Fig. 3 is a schematic structural diagram of a second microstrip line according to the first embodiment.
Fig. 4 is a schematic diagram of a third microstrip line, a fourth microstrip line, a fifth microstrip line, and a sixth microstrip line according to the first embodiment.
Fig. 5 is a schematic structural diagram of the second embodiment.
Fig. 6 is a schematic diagram illustrating a mounting and dismounting structure of a first microstrip line and a second microstrip line according to a third embodiment.
Reference numerals illustrate: 1-a reflecting plate; 2-amplitude components; 3-a coaxial cable; 4-first microstrip line, 5-second microstrip line, 6-third microstrip line; 61-a first section; 62-a second section; 63-third stage; 7-fourth microstrip lines; 71-a first section; 72-a second section; 73-third stage; 8-a fifth microstrip line; 81-a first section; 82-a second section; 83-third stage; 9-sixth microstrip lines; 91-first section; 92-a second section; 93-third section; 10-oscillator reference circle;
21-a first microstrip line; 22-a second microstrip line; 23-a third microstrip line; 24-fourth microstrip line; 25-fifth microstrip line; 26-sixth microstrip line; 27-a PCB board; 28-a PCB board; 29-a PCB board;
31-a first microstrip line; 32-a first extension; 33-a second microstrip line; 34-second extension.
Detailed Description
Embodiment one:
as shown in fig. 1, the top loaded wideband ceiling antenna according to this embodiment includes a reflecting plate 1, an amplitude component 2, and a coaxial cable 3, where the amplitude component 2 is mounted on the reflecting plate 1, and the coaxial cable 3 passes through the reflecting plate 1 to feed the amplitude component 2, and the amplitude component 2 includes: a first microstrip line 4, a second microstrip line 5, a third microstrip line 6, a fourth microstrip line 7, a fifth microstrip line 8, and a sixth microstrip line 9; the first microstrip line 4 is V-shaped and is located in a plane called a first oscillator plane; the second microstrip line 5 is V-shaped and is located in a plane called the second oscillator plane; the third microstrip line 6, the fourth microstrip line 7, the fifth microstrip line 8 and the sixth microstrip line 9 are positioned in a plane called a third oscillator plane, and the combination of the third microstrip line 6, the fourth microstrip line 7, the fifth microstrip line 8 and the sixth microstrip line 9 enables the antenna of the embodiment to work at 690-960 MHz and radiate electromagnetic waves at 690-960 MHz; the first microstrip line 4 and the second microstrip line 5 are conducted at the bottoms of the respective V-shapes, and the combined effect of the first microstrip line 4 and the second microstrip line 5 is equivalent to that of a cone-shaped oscillator in the prior art by virtue of the design, so that the antenna of the embodiment is not only free from being manufactured into the cone-shaped oscillator by a stamping and stretching forming process, the structure is greatly simplified, but also the antenna of the embodiment can be operated in the frequency range of 1710-2700 MHZ, and the antenna of the embodiment has the advantages of simple structure, reasonable design, simple processing process, easiness in processing, low cost, contribution to the development of enterprises and the like; one end of the first microstrip line 4 is conducted with the third microstrip line 6, and the other end of the first microstrip line 4 is conducted with the fifth microstrip line 8; one end of the second microstrip line 5 is communicated with the fourth microstrip line 7, and the other end of the second microstrip line 5 is communicated with the sixth microstrip line 9, and the combination of the first microstrip line, the second microstrip line, the third microstrip line, the fourth microstrip line, the fifth microstrip line and the sixth microstrip line enables the antenna to work in the frequency range of 690-2700 MHz, so that the antenna has the advantages of wide frequency band and good omnidirectional radiation performance; the first oscillator plane is perpendicular or nearly perpendicular to the second oscillator plane; the third oscillator plane is perpendicular or nearly perpendicular to the first oscillator plane and the second oscillator plane; the inner conductor of the coaxial cable 3 is electrically connected to the conducting parts of the first microstrip line 4 and the second microstrip line 5; the outer conductor of the coaxial cable is electrically connected to the reflecting plate 1, and the reflecting plate 1 also participates in radiation of electromagnetic waves.
As shown in fig. 2, the V-shaped width A1 of the first microstrip line 4 is 190mm, the height H1 is 25mm, the V-shaped included angle α of the first microstrip line 4 is 160 °, and the line width A2 of the first microstrip line 4 is 10mm. As shown in fig. 3, the V-shaped width A3 of the second microstrip line 5 is 190mm, the height H2 is 25mm, the V-shaped included angle β of the second microstrip line 5 is 160 °, and the line width A4 of the second microstrip line 5 is 10mm. In the present embodiment, the V-shaped included angle α of the first microstrip line 4 is designed to be 160 °, and the V-shaped included angle β of the second microstrip line 5 is designed to be 160 °, so as to realize a wide impedance bandwidth of the antenna of the present embodiment; the heights of the first microstrip line 4 and the second microstrip line 5 are the section heights of the antenna in this embodiment, so that the antenna body height in this embodiment is only 25mm, the section height of the antenna is greatly reduced, and the volume of the antenna is reduced, so that the antenna in this embodiment has the advantages of low section, small volume and good roundness.
As shown in fig. 4, the third microstrip line 6 includes a first section 61, a second section 62 and a third section 63 that are sequentially connected, where the first section 61 and the third section 63 are straight sections and the second section 62 is an arc section; the fourth microstrip line 7 comprises a first section 71, a second section 72 and a third section 73 which are sequentially connected, wherein the first section 71 and the third section 73 are straight-line sections, and the second section 72 is an arc section; the fifth microstrip line 8 includes a first section 81, a second section 82 and a third section 83 which are sequentially connected, wherein the first section 81 and the third section 83 are straight sections, and the second section 82 is an arc section; the sixth microstrip line 9 includes a first section 91, a second section 92 and a third section 93 that are sequentially connected, where the first section 91 and the third section 93 are straight sections, and the second section 92 is an arc section.
As shown in fig. 1 and 4, one end of the first microstrip line 4 and the third microstrip line 6 are connected at the boundary between the first section 61 and the second section 62 of the third microstrip line 6; the other end of the first microstrip line 4 and the fifth microstrip line 8 are connected at the boundary between the first section 81 and the second section 82 of the fifth microstrip line 8.
As shown in fig. 1 and 4, one end of the second microstrip line 5 and the fourth microstrip line 7 are connected at the boundary between the first section 71 and the second section 72 of the fourth microstrip line 7; the other end of the second microstrip line 5 and the sixth microstrip line 9 are connected at the boundary between the first section 91 and the second section 92 of the sixth microstrip line 9.
As shown in fig. 4, the second section 62 of the third microstrip line 6, the second section 72 of the fourth microstrip line 7, the second section 82 of the fifth microstrip line 8, and the second section 92 of the sixth microstrip line 9 are all co-circles, which are referred to as a oscillator reference circle 10, and the diameter of the oscillator reference circle 10 is 190mm.
As shown in fig. 4, the first section 61 and the third section 63 of the third microstrip line 6, the first section 71 and the third section 73 of the fourth microstrip line 7, the first section 81 and the third section 83 of the fifth microstrip line 8, and the first section 91 and the third section 93 of the sixth microstrip line 9 all face the center of the oscillator reference circle 10.
As shown in fig. 4, the first section 61 of the third microstrip line 6, the first section 71 of the fourth microstrip line 7, the first section 81 of the fifth microstrip line 8, and the first section 91 of the sixth microstrip line 9 are uniformly distributed within the oscillator reference circle 10.
As shown in fig. 4, the third microstrip line 6 has the same shape and size as the fifth microstrip line 8. The line width A5 of the third microstrip line 6 is 10mm, the stretched length of the third microstrip line 6 is 230mm, the stretched length of the third microstrip line 6 is mainly related to the low-frequency wavelength of the antenna product, the stretched length of the third microstrip line 6 is the sum of the length L1 of the first section 61, the length L2 of the second section 62 and the length L3 of the third section 63 of the third microstrip line 6, the length L1 of the first section 61 of the third microstrip line 6 is 80mm, the length L2 of the second section 62 of the third microstrip line 6 is 90mm, the length L3 of the third section 63 of the third microstrip line 6 is 60mm, and the included angle gamma formed by the first section 61 and the third section 63 of the third microstrip line 6 is 54 °.
As shown in fig. 4, the fourth microstrip line 7 has the same shape and size as the sixth microstrip line 9. The line width A6 of the fourth microstrip line 7 is 10mm, the stretching length of the fourth microstrip line 7 is 230mm, the stretching length of the fourth microstrip line 7 is also related to the low-frequency wavelength of the antenna product, the stretching length of the fourth microstrip line 7 is the sum of the length L4 of the first section 71, the length L5 of the second section 72 and the length L6 of the third section 73 of the fourth microstrip line 7, the length L4 of the first section 71 of the fourth microstrip line 7 is 80mm, the length L5 of the second section 72 of the fourth microstrip line 7 is 120mm, the length L6 of the third section 73 of the fourth microstrip line 7 is 30mm, and the included angle delta formed by the first section and the third section of the fourth microstrip line 7 is 77 °.
The first microstrip line 4, the second microstrip line 5, the third microstrip line 6, the fourth microstrip line 7, the fifth microstrip line 8 and the sixth microstrip line 9 are sheet metal stamping parts
Embodiment two:
the present embodiment is different from the first embodiment in that: as shown in fig. 5, the first microstrip line 21, the second microstrip line 22, the third microstrip line 23, the fourth microstrip line 24, the fifth microstrip line 25, and the sixth microstrip line 26 in the present embodiment are copper clad on a PCB board; wherein the first microstrip line 21 is copper-clad on a PCB board 27, the second microstrip line 22 is copper-clad on a PCB board 28, and the third microstrip line 23, the fourth microstrip line 24, the fifth microstrip line 25 and the sixth microstrip line 26 are copper-clad on a PCB board 29.
Embodiment III:
the present embodiment is different from the first embodiment in that: as shown in fig. 6, the V-shaped ends of the first microstrip line 31 of the present embodiment are further provided with first vertical edge portions 32, the height of the first microstrip line 31 is 33mm, and the V-shaped ends of the second microstrip line 33 are further provided with first vertical edge portions 34, the height of the second microstrip line 33 is 33mm.
Claims (18)
1. The utility model provides a broadband ceiling antenna of top loading, includes reflecting plate, amplitude subassembly, coaxial cable, the amplitude subassembly is installed on the reflecting plate, coaxial cable passes the reflecting plate and feeds its characterized in that to the amplitude subassembly: the amplitude component comprises: a first microstrip line, a second microstrip line, a third microstrip line, a fourth microstrip line, a fifth microstrip line, and a sixth microstrip line; the first microstrip line is V-shaped and is positioned in a plane called a first oscillator plane; the second microstrip line is V-shaped and is positioned in a plane called a second oscillator plane; the third microstrip line, the fourth microstrip line, the fifth microstrip line and the sixth microstrip line are positioned in a plane called a third oscillator plane; the first microstrip line and the second microstrip line are conducted at the bottoms of the respective V shapes; one end of the first microstrip line is conducted with the third microstrip line, and the other end of the first microstrip line is conducted with the fifth microstrip line; one end of the second microstrip line is conducted with the fourth microstrip line, and the other end of the second microstrip line is conducted with the sixth microstrip line; the first oscillator plane is perpendicular or nearly perpendicular to the second oscillator plane; the third oscillator plane is perpendicular or nearly perpendicular to the first oscillator plane and the second oscillator plane; the inner conductor of the coaxial cable is electrically connected to the conducting parts of the first microstrip line and the second microstrip line; the outer conductor of the coaxial cable is electrically connected to the reflecting plate; the third microstrip line comprises a first section, a second section and a third section which are sequentially connected, wherein the first section and the third section are straight-line sections, and the second section is an arc section; the fourth microstrip line comprises a first section, a second section and a third section which are sequentially connected, wherein the first section and the third section are straight-line sections, and the second section is an arc section; the fifth microstrip line comprises a first section, a second section and a third section which are sequentially connected, wherein the first section and the third section are straight-line sections, and the second section is an arc section; the sixth microstrip line comprises a first section, a second section and a third section which are sequentially connected, wherein the first section and the third section are straight-line sections, and the second section is an arc section; one end of the first microstrip line and the third microstrip line are conducted at the juncture of the first section and the second section of the third microstrip line; the other end of the first microstrip line is communicated with the fifth microstrip line at the juncture of the first section and the second section of the fifth microstrip line; one end of the second microstrip line and the fourth microstrip line are communicated with the juncture of the first section and the second section of the fourth microstrip line; the other end of the second microstrip line is conducted with the sixth microstrip line at the junction of the first section and the second section of the sixth microstrip line.
2. A top-loaded broadband ceiling antenna according to claim 1, wherein: the V-shaped width A1 of the first microstrip line is in the range of 180-200 mm, and the height H1 is in the range of 20-35 mm.
3. A top-loaded broadband ceiling antenna according to claim 1, wherein: the V-shaped included angle alpha of the first microstrip line is in the range of 150-170 degrees, and the line width A2 of the first microstrip line is in the range of 8-12 mm.
4. A top-loaded broadband ceiling antenna according to claim 1, wherein: the V-shaped width A3 of the second microstrip line is in the range of 180-200 mm, and the height H2 is in the range of 20-35 mm.
5. A top-loaded broadband ceiling antenna according to claim 1, wherein: the V-shaped included angle beta of the second microstrip line is in the range of 150-170 degrees, and the line width A4 of the second microstrip line is in the range of 8-12 mm.
6. A top-loaded broadband ceiling antenna according to claim 1, wherein: the second section of the third microstrip line, the second section of the fourth microstrip line, the second section of the fifth microstrip line and the second section of the sixth microstrip line are all round, and the circle is called a vibrator reference circle.
7. A top-loaded broadband ceiling antenna according to claim 1, wherein: the first section and the third section of the third microstrip line, the first section and the third section of the fourth microstrip line, the first section and the third section of the fifth microstrip line, and the first section and the third section of the sixth microstrip line all face the center of the oscillator reference circle.
8. A top-loaded broadband ceiling antenna according to claim 1, wherein: the first section of the third microstrip line, the first section of the fourth microstrip line, the first section of the fifth microstrip line and the first section of the sixth microstrip line are uniformly distributed in the oscillator reference circle.
9. A top-loaded broadband ceiling antenna according to claim 1, wherein: the shape and size of the third microstrip line are the same as those of the fifth microstrip line.
10. A top-loaded broadband ceiling antenna according to claim 1, wherein: the shape and size of the fourth microstrip line are the same as those of the sixth microstrip line.
11. A top-loaded broadband ceiling antenna according to claim 9, wherein: the line width A5 of the third microstrip line is in the range of 8-12 mm, and the stretching length of the third microstrip line is in the range of 190-280 mm.
12. A top-loaded broadband ceiling antenna according to claim 11, wherein: the length L1 of the first section of the third microstrip line is in the range of 60 to 90mm, the length L2 of the second section of the third microstrip line is in the range of 80 to 110mm, and the length L3 of the third section of the third microstrip line is in the range of 50 to 80 mm.
13. A top-loaded broadband ceiling antenna according to claim 9, wherein: an included angle gamma formed by the first section and the third section of the third microstrip line is in the range of 50-60 degrees.
14. A top-loaded broadband ceiling antenna according to claim 10, wherein: the line width A6 of the fourth microstrip line is in the range of 8-12 mm, and the stretching length of the fourth microstrip line is in the range of 200-290 mm.
15. A top-loaded broadband ceiling antenna according to claim 14, wherein: the length L4 of the first section of the fourth microstrip line is in the range of 60 to 90mm, the length L5 of the second section of the fourth microstrip line is in the range of 115 to 145mm, and the length L6 of the third section of the fourth microstrip line is in the range of 25 to 55 mm.
16. A top-loaded broadband ceiling antenna according to claim 10, wherein: an included angle delta formed by the first section and the third section of the fourth microstrip line is in the range of 70-85 degrees.
17. A top-loaded broadband ceiling antenna according to claim 1, wherein: the first microstrip line, the second microstrip line, the third microstrip line, the fourth microstrip line, the fifth microstrip line and the sixth microstrip line are copper-clad on the PCB.
18. A top-loaded broadband ceiling antenna according to claim 1, wherein: the first microstrip line, the second microstrip line, the third microstrip line, the fourth microstrip line, the fifth microstrip line and the sixth microstrip line are sheet metal stamping parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810077138.XA CN108336488B (en) | 2018-01-29 | 2018-01-29 | Top-loaded broadband ceiling antenna |
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| CN108336488B true CN108336488B (en) | 2024-02-20 |
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| TW200941829A (en) * | 2008-03-19 | 2009-10-01 | Quanta Comp Inc | Multi-frequency antenna |
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| WO2001054227A1 (en) * | 2000-01-21 | 2001-07-26 | Centurion Wireless Technologies, Inc. | Broadband microstrip antenna having a microstrip feedline trough formed in a radiating element |
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| CN108336488A (en) | 2018-07-27 |
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