CN109728424B - Four-port sucker combined antenna - Google Patents
Four-port sucker combined antenna Download PDFInfo
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- CN109728424B CN109728424B CN201811422053.7A CN201811422053A CN109728424B CN 109728424 B CN109728424 B CN 109728424B CN 201811422053 A CN201811422053 A CN 201811422053A CN 109728424 B CN109728424 B CN 109728424B
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Abstract
The invention discloses a four-port sucker combined antenna which comprises an antenna outer cover, a bottom cover, a wire protecting sleeve, a cable protecting cover, a first port feed cable, a second port feed cable, a third port feed cable and a fourth port feed cable, wherein a 3G frequency band circuit board is fixedly installed in the middle position in the antenna outer cover, ABS supporting columns are respectively installed on two sides of the 3G frequency band circuit board, a WlAN frequency band circuit board is fixedly installed on the outer side of each ABS supporting column, a GPS frequency band circuit board is fixedly installed on the upper end of the 3G frequency band circuit board, the GPS frequency band circuit board is fixed on a circular plastic board, and two ends of the circular plastic board are respectively and fixedly matched with the upper ends of the corresponding WlAN frequency band circuit boards. The four-port sucker combined antenna has the following beneficial effects: the structure is simpler, the size is smaller, better radiation performance indexes can be provided, and the antenna can be matched with a connecting end in transceiver equipment.
Description
Technical Field
The invention relates to the field of antennas, in particular to a four-port sucker combined antenna.
Background
In a mobile communication system and a terminal device covered by a wireless network, an antenna built in a transceiver device generally requires miniaturization of the external dimension of the antenna and the electrical dimension on a transmission line, and is matched with the transceiver device in terms of performance so as to obtain good electrical performance indexes; in some more complex communication module systems with multiple frequencies such as 3G, WLAN and GPS frequency bands, the system needs to work in multiple modes, and an additional impedance matching network is needed before feeding the antenna, but the impedance matching network additionally increases the feeder design of an electronic system, increases the area of a radio frequency system, and simultaneously the matching network introduces a lot of energy loss and is difficult to meet the design requirement of a system with low power consumption, so that the miniaturized multi-mode technology becomes one of the most main technologies of the modern communication module integrated system to realize the miniaturized three-band antenna.
Disclosure of Invention
The present invention is directed to solve the above-mentioned problems of the prior art, and provides a four-port chuck combined antenna which has a simple structure and a small size, can provide a good radiation performance index, and can be matched with a connection terminal in transceiver equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: a four-port sucker combined antenna is constructed and comprises an antenna outer cover, a bottom cover, a wire protecting sleeve, a cable protecting cover, a first port feed cable, a second port feed cable, a third port feed cable and a fourth port feed cable, wherein the first port feed cable, the second port feed cable, the third port feed cable and the fourth port feed cable are all sheathed in the cable protecting cover, a magnet is arranged in the bottom cover, the bottom of the antenna outer cover is fixed on the bottom cover, a 3G frequency band circuit board is fixedly arranged in the middle position in the antenna outer cover, ABS supporting columns are respectively arranged on two sides of the 3G frequency band circuit board, one end of each ABS supporting column is fixedly arranged with the bottom cover, the other end of each ABS supporting column is fixedly arranged with a circular plastic board, and a WlAN frequency band circuit board is respectively fixedly arranged on the outer side of each ABS supporting column, a GPS frequency band circuit board is fixedly arranged at the upper end of the 3G frequency band circuit board, the GPS frequency band circuit board is fixed on the circular plastic board, and the two ends of the circular plastic board are respectively and fixedly matched with the upper ends of the corresponding WlAN frequency band circuit boards;
the WlAN frequency band circuit board is a high-frequency single-sided copper-clad PCB, a high-frequency band radiation oscillator, an S-shaped transmission line and a low-frequency band radiation oscillator are arranged on the WlAN frequency band circuit board, the high-frequency band radiation oscillator is composed of a first rectangular radiation surface with 1/4 wavelength and a U-shaped radiation surface with 1/4 wavelength, the middle parts of the first rectangular radiation surface and the U-shaped radiation surface are insulating layers of a first port feed cable, one end of the S-shaped transmission line is connected and conducted with one end of the high-frequency band radiation oscillator, the other end of the S-shaped transmission line is connected and conducted with one end of the low-frequency band radiation oscillator, the low-frequency band radiation oscillator is composed of a second rectangular radiation surface with 1/4 wavelength, a first feed connection point and a first grounding connection point are arranged on the high-frequency band radiation oscillator, one end of the first port feed cable is connected, conducted and welded and fixed with a first connector, after the other end of the first port feed cable penetrates through the wire sheath, the inner conductor of the first port feed cable is connected, conducted and welded with a first feed connection point far away from the wire sheath, and the outer conductor of the first port feed cable is connected, conducted and welded with a first grounding connection point far away from the wire sheath;
the GPS frequency band circuit board is a high-frequency single-sided copper-clad PCB board, a GPS frequency band radiation oscillator is arranged on the GPS frequency band circuit board and consists of two 1/4-wavelength fan-shaped plum blossom-shaped radiation surfaces, the middle part of the two fan-shaped plum blossom-shaped radiation surfaces is an insulating layer of a second port feed cable, a second feed connection point and a second grounding connection point are arranged on the GPS frequency band radiation oscillator, one end of the second port feed cable is connected, conducted and welded with a second connector, the other end of the second port feed cable passes through the wire sheath and penetrates through the circular plastic board, an inner conductor of the second port feed cable is connected, conducted and welded with the second feed connection point, and an outer conductor of the second port feed cable is connected, conducted and welded with the second grounding connection point;
the 3G frequency band circuit board is a high-frequency single-sided copper-clad PCB, a 3G frequency band radiation oscillator is arranged on the 3G frequency band circuit board, the 3G frequency band radiation oscillator is composed of two 1/4-wavelength rectangular radiation surfaces, the middle part of the two rectangular radiation surfaces is an insulating layer of a third port feed cable, a third feed connection point and a third grounding connection point are arranged on the 3G frequency band radiation oscillator, one end of the third port feed cable is connected, conducted and welded and fixed with a third connector, the other end of the third port feed cable penetrates through the wire sheath, an inner conductor of the third port feed cable is connected, conducted and welded and fixed with the third feed connection point, and an outer conductor of the third port feed cable is connected, conducted and welded and fixed with the third grounding connection point;
one end of the fourth port feed cable is connected, conducted and welded and fixed with the fourth joint, the other end of the fourth port feed cable penetrates through the wire protection sleeve, the inner conductor of the fourth port feed cable is connected, conducted and welded and fixed with the first feed connection point close to the wire protection sleeve, and the outer conductor of the fourth port feed cable is connected, conducted and welded and fixed with the first grounding connection point close to the wire protection sleeve.
In the four-port sucker combined antenna, the lengths of the high-frequency band radiation oscillator, the low-frequency band radiation oscillator, the GPS frequency band radiation oscillator and the 3G frequency band radiation oscillator are 1/4 lambda0Wherein λ is0A spatial free wavelength at a central frequency point; and in the high-frequency band radiation oscillator, the GPS frequency band radiation oscillator and the 3G frequency band radiation oscillator, two adjacent groups of fed half-wave radiation oscillators are printed on the front surface of the high-frequency single-sided copper-clad PCB by microstrip lines.
In the four-port sucker combined antenna, the thickness of the high-frequency single-sided copper-clad PCB is 1.00-1.40 mm, the high-frequency single-sided copper-clad PCB is made of an F4BM-2 single-sided copper-clad plate, and the dielectric constant is 2.65.
In the four-port sucking disc combined antenna, the thickness of the circular plastic plate is 1.0-1.5 mm, the diameter of the circular plastic plate is 92-98 mm, and the adopted material is anti-ultraviolet ABS.
In the four-port sucking disc combined antenna, the height of the ABS supporting column is 110-130 mm, and the diameter of the ABS supporting column is 7.5-8.5 mm.
In the four-port sucking disc combined antenna, the height of the antenna outer cover is 160-175 mm, the diameter of the bottom cover is 130-145 mm, and the bottom cover is made of ultraviolet-proof ABS.
In the four-port sucking disc combined antenna, the thickness of the magnet is 6.5-8.5 mm, and the diameter of the magnet is 55-65 mm.
The four-port sucker combined antenna has the following beneficial effects: because the antenna outer cover is internally provided with a 3G frequency band circuit board, a WLAN frequency band circuit board and a GPS frequency band circuit board; the WLAN frequency band circuit board is composed of a low-frequency band 1/4-wavelength radiation oscillator, an S-shaped transmission line and a high-frequency band half-wavelength radiation oscillator, wherein one end of the S-shaped transmission line is connected and conducted with one end of a high-frequency band radiation oscillator in the WlAN frequency band circuit board, and the other end of the S-shaped transmission line is connected and conducted with one end of a low-frequency band radiation oscillator in the WlAN frequency band circuit board; the 3G frequency band radiating oscillator on the 3G frequency band circuit board and the GPS frequency band radiating oscillator on the GPS frequency band circuit board are both half-wave radiating oscillators, the radiating oscillators and the microstrip transmission lines at the connection positions are designed into irregular shapes by utilizing a medium microstrip technology, a broadband technology and a coupling resonance technology, better electrical performance parameters of the antenna are obtained by changing the shapes of the radiating oscillators, the size and the shape of the microstrip transmission lines on the medium substrate and the intervals of the transmission lines, the complex design of an impedance matching network is omitted, the miniaturization of the antenna is ensured, the antenna can be applied to a mobile terminal with a limited size, the utilization rate of the radiating area of the antenna is high, the anti-interference capability is strong, the structure is simpler, the size is smaller, better radiating performance indexes can be provided, and the antenna can be matched with the connection ends in transceiver equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a four-port sucking disc combined antenna according to the present invention;
FIG. 2 is a top view of the internal structure of the four-port chuck combined antenna in the embodiment;
FIG. 3 is a schematic structural diagram of a WLAN frequency band circuit board in the embodiment;
FIG. 4 is a schematic structural diagram of a circular plastic plate and a GPS frequency band circuit board in the embodiment;
fig. 5 is a schematic structural diagram of a 3G frequency band circuit board in the embodiment;
FIG. 6 is a graph of a standing wave measured at the first port in the embodiment;
FIG. 7 is a graph of a standing wave measured at the second port in the embodiment;
FIG. 8 is a graph of a standing wave measured at the third port in the embodiment;
fig. 9 is a measured standing wave pattern at the fourth port in the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment of the four-port sucking disc combined antenna of the present invention, a schematic structural diagram of the four-port sucking disc combined antenna is shown in fig. 1, and a top view of an internal structure of the four-port sucking disc combined antenna is shown in fig. 2. In this embodiment, the four-port sucking disc combined antenna includes an antenna housing 1, a bottom cover 2, a wire sheath 3, a cable sheath 4, a first port feeder cable 15, a second port feeder cable 16, a third port feeder cable 17 and a fourth port feeder cable 18, wherein the first port feeder cable 15, the second port feeder cable 16, the third port feeder cable 17 and the fourth port feeder cable 18 are all sheathed in the cable sheath 4, a magnet (not shown in the figure) is installed in the bottom cover 2, the bottom of the antenna housing 1 is fixed on the bottom cover 2, a 3G frequency band circuit board 10 is installed and fixed at the middle position in the antenna housing 1, an ABS support column 12 is installed at each side of the 3G frequency band circuit board 10, one end of the ABS support column 12 is installed and fixed with the bottom cover 2, the other end of the ABS support column 12 is installed and fixed with a circular plastic plate 14, a WlAN frequency band circuit board 11 is installed and fixed at the outer side of each ABS support column 12, the upper end of the 3G frequency band circuit board 10 is fixedly provided with a GPS frequency band circuit board 13, the GPS frequency band circuit board 13 is fixed on a circular plastic board 14, and two ends of the circular plastic board 14 are fixedly matched with the upper ends of the corresponding WlAN frequency band circuit boards 11 respectively.
It should be noted that, in this embodiment, one end of each port feeder cable is connected, conducted and welded to the connector of the corresponding port, and the other end is connected, conducted and welded to the circuit board of the corresponding port, and the detailed description will be given later on regarding the specific connection.
Fig. 3 is a schematic structural diagram of the WLAN frequency band circuit board in this embodiment, the WLAN frequency band circuit board 11 is a high-frequency single-sided copper-clad PCB, the WLAN frequency band circuit board 11 is provided with a high-frequency band radiating oscillator, an S-shaped transmission line 116 and a low-frequency band radiating oscillator, the high-frequency band radiating oscillator is composed of a first rectangular radiating surface 115 with 1/4 wavelength and a U-shaped radiating surface 111 with 1/4 wavelength, the middle portions of the first rectangular radiating surface 115 and the U-shaped radiating surface 111 are insulating layers 113 of a first port feed cable, one end of the S-shaped transmission line 116 is connected and conducted with one end of the high-frequency band radiating oscillator, the other end of the S-shaped transmission line 116 is connected and conducted with one end of the low-frequency band radiating oscillator, the low-frequency band radiating oscillator is composed of a second rectangular radiating surface 117 with 1/4 wavelength, the high-frequency band radiating oscillator is provided with a first feed connection point, one end of the first port feed cable 15 is connected, conducted and welded with the first joint 5, after the other end of the first port feed cable 15 passes through the wire sheath 3, the inner conductor thereof is connected, conducted and welded with the first feed connection point 114 far away from the wire sheath 3, and the outer conductor is connected, conducted and welded with the first grounding connection point 112 far away from the wire sheath 3. The corresponding frequency of the low frequency band in the WlAN frequency band circuit board 11 is 2400 MHz-2500 MHz, and the corresponding frequency of the high frequency band is 5150 MHz-5850 MHz.
Fig. 4 is a schematic structural diagram of the circular plastic plate and the GPS frequency band circuit board in this embodiment, the GPS frequency band circuit board 13 is a high-frequency single-sided copper-clad PCB board, a GPS frequency band radiation oscillator is arranged on the GPS frequency band circuit board 13 and consists of two 1/4-wavelength fan-shaped plum blossom-shaped radiation surfaces 134, the middle part of the two fan-shaped plum blossom-shaped radiation surfaces 134 is an insulating layer 132 of a second port feed cable, a second feed connection point 133 and a second grounding connection point 131 are arranged on the GPS frequency band radiation oscillator, one end of the second port feed cable 16 is connected, conducted and welded with a second connector 6, the other end of the second port feed cable 16 passes through a wire sheath 3 and penetrates through a circular plastic board 14, the inner conductor is connected to the second feeding connection point 133 and welded, and the outer conductor is connected to the second ground connection point 131 and welded.
Fig. 5 is a schematic structural diagram of a 3G frequency band circuit board in this embodiment, the 3G frequency band circuit board 10 is a high-frequency single-sided copper-clad PCB, a 3G frequency band radiation oscillator is disposed on the 3G frequency band circuit board 10, the 3G frequency band radiation oscillator is composed of two 1/4-wavelength rectangular radiation surfaces 104, an insulating layer 102 of a third port feed cable is disposed in a middle portion of the two rectangular radiation surfaces 104, a third feed connection point 103 and a third ground connection point 101 are disposed on the 3G frequency band radiation oscillator, one end of the third port feed cable 17 is connected, conducted and welded to a third connector 7, the other end of the third port feed cable 17 passes through the wire sheath 3, an inner conductor thereof is connected, conducted and welded to the third feed connection point 103, and an outer conductor thereof is connected, conducted and welded to the third ground connection point 101.
In this embodiment, one end of the fourth port feeding cable 18 is connected, conducted and welded to the fourth joint 8, the other end of the fourth port feeding cable 18 passes through the wire sheath 3, the inner conductor thereof is connected, conducted and welded to the first feeding connection point 114 close to the wire sheath 3, and the outer conductor thereof is connected, conducted and welded to the first grounding connection point 112 close to the wire sheath 3. The feeding method and material structure of the two WlAN frequency band circuit boards 11 are the same, and will not be described herein.
The invention designs the radiating oscillator and the microstrip transmission line at the grounding position into irregular shapes by utilizing a dielectric microstrip technology, a broadband technology, a coupling resonance technology and a frequency band isolation technology, obtains better electrical performance parameters of the antenna by changing the size and the shape of the microstrip transmission line on the high-frequency single-side copper-coated dielectric substrate and the spacing of the microstrip transmission line, saves the complex design of an impedance matching network, ensures the miniaturization of the impedance matching network, can be applied to mobile communication and wireless network covered terminals with limited sizes, has high utilization rate of the radiating area of the antenna and strong anti-interference capability, and realizes the conjugate matching of the antenna and transceiver equipment. The invention can well meet the requirement that an equipment operator sets four antennas in a limited volume and space, the frequency band corresponding to each antenna is matched with the connecting end in the transceiver equipment, and simultaneously provides good electrical performance indexes without mutual interference.
In this embodiment, in the WlAN frequency band circuit board 11, the S-shaped transmission line 116 connects and conducts one end of the high-frequency band radiating oscillator and one end of the low-frequency band radiating oscillator, and the S-shaped transmission line 116 can achieve better electrical performance indexes in an effective volume and space by using a transmission line bending design method, can make up for the shortage of the length of the transmission line in a limited space, can increase the bandwidth, and can play a role of coupling resonance in impedance matching.
In this embodiment, the two radiation surfaces of the 3G frequency band circuit board 10 are both in a shape of Chinese character, the two radiation surfaces of the GPS frequency band circuit board 13 are both in a shape of sector quincunx, and the radiation surfaces of the radiation oscillators are designed in a shape of taper and radian, so that the electrical length from the feed connection point to each top is gradually changed, and it is equal to that the upper part of the radiation oscillator is connected with different smooth transition sections, so that the current reflection along the surface of the antenna is very small, thereby effectively widening the impedance and the bandwidth, and realizing the broadband characteristic of the antenna. The radiation surface of the radiation oscillator is designed into a shape with taper and radian, so that the bandwidth can be increased, the coupling resonance effect is realized in the aspect of impedance matching, the characteristics of low standing wave and wide frequency band are formed, and the perfect electrical performance index can be achieved in a limited space and a limited volume.
In the embodiment, the WlAN frequency band circuit board 11, the GPS frequency band circuit board 13 and the 3G frequency band circuit board 10 are all high-frequency single-sided copper-clad PCBs, the thickness of each high-frequency single-sided copper-clad PCB is 1.00-1.40 mm, the high-frequency single-sided copper-clad PCBs are made of Wangling F4BM-2 single-sided copper-clad plates, and the dielectric constant is 2.65.
In this embodiment, the lengths of the high-frequency band radiating element, the low-frequency band radiating element, the GPS frequency band radiating element, and the 3G frequency band radiating element are 1/4 λ 0, where λ0A spatial free wavelength at a central frequency point; in the high-frequency band radiation oscillator, the GPS frequency band radiation oscillator and the 3G frequency band radiation oscillator, two adjacent groups of the high-frequency band radiation oscillator, the GPS frequency band radiation oscillator and the 3G frequency band radiation oscillator are fed and then are half-wave radiation oscillators, and the half-wave radiation oscillators are printed on the front surface of a high-frequency single-side copper-clad PCB by microstrip lines.
It should be noted that, in the embodiment, the thickness of the circular plastic plate 14 is 1.0mm to 1.5mm, the diameter is 92mm to 98mm, and the adopted material is ultraviolet-proof ABS. The height of the ABS support column 12 is 110 mm-130 mm, and the diameter is 7.5 mm-8.5 mm. The height of the antenna outer cover 1 is 160 mm-175 mm, the diameter of the bottom cover 2 is 130 mm-145 mm, and the bottom cover 2 is made of ultraviolet-proof ABS. The thickness of the magnet is 6.5 mm-8.5 mm, and the diameter is 55 mm-65 mm.
The invention is applied to a communication module system in transceiver equipment of a mobile communication system, GPS positioning and wireless network coverage, and is limited by the volume and space of a module system cavity, a plurality of pairs of antennas are required to be arranged on a medium substrate and a transmission line printed on the medium substrate by a microstrip line in the limited volume and space, and a frequency band corresponding to each pair of antennas is electrically connected with a module corresponding to the transceiver equipment, and simultaneously, good electrical performance indexes are provided, and mutual interference is avoided, so that the impedance of the antennas and the characteristic impedance of the transceiver equipment form conjugate matching, and thereby, perfect electrical performance indexes are achieved in the limited volume and space.
The four-port sucker combined antenna comprises a 3G frequency band (1920 MHz-2170 MHz), a WLAN frequency band (2400 MHz-2500 MHz/5150 MHz-5850 MHz) and a GPS frequency band (1575.42MHz +/-1.023 MHz), and in a matched test of the antenna and transceiver equipment, the standing wave ratio is below 1.50, as shown in fig. 6, 7, 8 and 9, and fig. 6 is a standing wave graph actually measured at a first port in the embodiment; FIG. 7 is a graph of a standing wave measured at the second port in the example; FIG. 8 is a graph of a standing wave measured at the third port in the embodiment; FIG. 9 is a measured standing wave pattern at the fourth port in the example. Each port is formed by a corresponding connector, port feeder cable and circuit board (for example: the second port is formed by the second connector 6, the second port feeder cable 16 and the GPS band circuit board 13). The four-port sucker combined antenna has the advantages of small volume, simple structure, low cost and good performance index.
The invention saves the complex design of an impedance matching network, obtains better electrical performance parameters of the antenna by changing the size and the shape of the microstrip transmission line of the dielectric substrate and the spacing of the microstrip transmission line, ensures the miniaturization of the antenna, can be applied to terminals with limited sizes, covered by mobile communication and wireless networks, and has higher utilization rate of the radiation area of the antenna and stronger anti-interference capability.
Through multiple improvements and perfections, and finally through detection and verification of an instrument, the invention relates to a wireless communication device which comprises a 3G frequency band (1920 MHz-2170 MHz), a WLAN frequency band (2400 MHz-2500 MHz/5150 MHz-5850 MHz) and a GPS frequency band (1575.42MHz +/-1.023 MHz), has a standing-wave ratio below 1.50, and can well meet the requirement that an equipment operator sets four antennas in a limited volume and space, and the frequency band corresponding to each antenna is electrically connected and matched with a connecting end in transceiver equipment, and simultaneously provides good electrical performance indexes.
In a word, the invention omits the complex design of an impedance matching network, obtains better electrical performance parameters of the antenna by changing the size and the shape of the microstrip transmission line of the dielectric substrate and the spacing of the microstrip transmission line, ensures the miniaturization of the antenna, can be applied to terminals with limited size, such as mobile communication, GPS positioning and wireless network coverage, and has high utilization rate of antenna radiation area and strong anti-interference capability. The four-port sucker combined antenna has the advantages of small volume, low cost, simple production and manufacture and easy mass production; only one person is needed to operate during welding, and the welding operation can be completed in one step, so that the welding operation efficiency is high, the production efficiency can be greatly improved, the product quality can be improved, and the requirements of low cost and high performance of equipment operators can be met.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A four-port sucker combined antenna is characterized by comprising an antenna outer cover, a bottom cover, a wire protecting sleeve, a cable protecting cover, a first port feed cable, a second port feed cable, a third port feed cable and a fourth port feed cable, wherein the first port feed cable, the second port feed cable, the third port feed cable and the fourth port feed cable are all sheathed in the cable protecting cover, a magnet is arranged in the bottom cover, the bottom of the antenna outer cover is fixed on the bottom cover, a 3G frequency band circuit board is fixedly arranged in the middle position in the antenna outer cover, two sides of the 3G frequency band circuit board are respectively provided with an ABS supporting column, one end of the ABS supporting column is fixedly arranged with the bottom cover, the other end of the ABS supporting column is fixedly arranged with a circular plastic plate, and the outer side of each ABS supporting column is respectively fixedly provided with a WlAN frequency band circuit board, a GPS frequency band circuit board is fixedly arranged at the upper end of the 3G frequency band circuit board, the GPS frequency band circuit board is fixed on the circular plastic board, and the two ends of the circular plastic board are respectively and fixedly matched with the upper ends of the corresponding WlAN frequency band circuit boards;
the WlAN frequency band circuit board is a high-frequency single-sided copper-clad PCB, a high-frequency band radiation oscillator, an S-shaped transmission line and a low-frequency band radiation oscillator are arranged on the WlAN frequency band circuit board, the high-frequency band radiation oscillator is composed of a first rectangular radiation surface with 1/4 wavelength and a U-shaped radiation surface with 1/4 wavelength, the middle parts of the first rectangular radiation surface and the U-shaped radiation surface are insulating layers of a first port feed cable, one end of the S-shaped transmission line is connected and conducted with one end of the high-frequency band radiation oscillator, the other end of the S-shaped transmission line is connected and conducted with one end of the low-frequency band radiation oscillator, the low-frequency band radiation oscillator is composed of a second rectangular radiation surface with 1/4 wavelength, a first feed connection point and a first grounding connection point are arranged on the high-frequency band radiation oscillator, one end of the first port feed cable is connected, conducted and welded and fixed with a first connector, after the other end of the first port feed cable penetrates through the wire sheath, the inner conductor of the first port feed cable is connected, conducted and welded with a first feed connection point far away from the wire sheath, and the outer conductor of the first port feed cable is connected, conducted and welded with a first grounding connection point far away from the wire sheath;
the GPS frequency band circuit board is a high-frequency single-sided copper-clad PCB board, a GPS frequency band radiation oscillator is arranged on the GPS frequency band circuit board and consists of two 1/4-wavelength fan-shaped plum blossom-shaped radiation surfaces, the middle part of the two fan-shaped plum blossom-shaped radiation surfaces is an insulating layer of a second port feed cable, a second feed connection point and a second grounding connection point are arranged on the GPS frequency band radiation oscillator, one end of the second port feed cable is connected, conducted and welded with a second connector, the other end of the second port feed cable passes through the wire sheath and penetrates through the circular plastic board, an inner conductor of the second port feed cable is connected, conducted and welded with the second feed connection point, and an outer conductor of the second port feed cable is connected, conducted and welded with the second grounding connection point;
the 3G frequency band circuit board is a high-frequency single-sided copper-clad PCB, a 3G frequency band radiation oscillator is arranged on the 3G frequency band circuit board, the 3G frequency band radiation oscillator is composed of two 1/4-wavelength rectangular radiation surfaces, the middle part of the two rectangular radiation surfaces is an insulating layer of a third port feed cable, a third feed connection point and a third grounding connection point are arranged on the 3G frequency band radiation oscillator, one end of the third port feed cable is connected, conducted and welded and fixed with a third connector, the other end of the third port feed cable penetrates through the wire sheath, an inner conductor of the third port feed cable is connected, conducted and welded and fixed with the third feed connection point, and an outer conductor of the third port feed cable is connected, conducted and welded and fixed with the third grounding connection point;
one end of the fourth port feed cable is connected, conducted and welded with the fourth joint, the other end of the fourth port feed cable penetrates through the wire sheath, an inner conductor of the fourth port feed cable is connected, conducted and welded with a first feed connection point close to the wire sheath, and an outer conductor of the fourth port feed cable is connected, conducted and welded with a first grounding connection point close to the wire sheath;
the lengths of the high-frequency band radiation oscillator, the low-frequency band radiation oscillator, the GPS frequency band radiation oscillator and the 3G frequency band radiation oscillator are 1/4 lambda 0, wherein lambda 0 is the space free wavelength of the central frequency point; in the high-frequency band radiation oscillator, the GPS frequency band radiation oscillator and the 3G frequency band radiation oscillator, two adjacent groups of the high-frequency band radiation oscillator, the GPS frequency band radiation oscillator and the 3G frequency band radiation oscillator are fed and then are half-wave radiation oscillators, and the half-wave radiation oscillators are printed on the front surface of the high-frequency single-sided copper-clad PCB by microstrip lines; the thickness of the high-frequency single-sided copper-clad PCB is 1.00-1.40 mm, the high-frequency single-sided copper-clad PCB is made of an F4BM-2 single-sided copper-clad plate, and the dielectric constant is 2.65; the thickness of the circular plastic plate is 1.0-1.5 mm, the diameter is 92-98 mm, and the adopted material is anti-ultraviolet ABS.
2. The four-port chuck combined antenna of claim 1, wherein the ABS support posts have a height of 110mm to 130mm and a diameter of 7.5mm to 8.5 mm.
3. The four-port sucker combination antenna of claim 1, wherein the antenna housing has a height of 160mm to 175mm, the bottom cover has a diameter of 130mm to 145mm, and the bottom cover is made of UV-blocking ABS.
4. The four-port chuck combination antenna of claim 1, wherein the magnet has a thickness of 6.5mm to 8.5mm and a diameter of 55mm to 65 mm.
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| CN116565543B (en) * | 2023-06-05 | 2024-02-27 | 深圳市飞宇信电子有限公司 | Multiport modularization sucking disc antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050035919A1 (en) * | 2003-08-15 | 2005-02-17 | Fan Yang | Multi-band printed dipole antenna |
| JP4548281B2 (en) * | 2005-08-31 | 2010-09-22 | 日立電線株式会社 | Broadband antenna |
| US7898496B2 (en) * | 2006-06-05 | 2011-03-01 | Eric Olsen | Antenna mount with alternative uses |
| WO2011053107A1 (en) * | 2009-10-30 | 2011-05-05 | Laird Technologies, Inc. | Omnidirectional multi-band antennas |
| CN103682606B (en) * | 2013-09-23 | 2017-01-11 | 中国科学院电子学研究所 | An ultra wide band quaternary array antenna apparatus used for a through-wall imaging radar |
| US10523306B2 (en) * | 2016-08-23 | 2019-12-31 | Laird Technologies, Inc. | Omnidirectional multiband symmetrical dipole antennas |
| CN108172967A (en) * | 2017-12-06 | 2018-06-15 | 广州创锦通信技术有限公司 | Wide band bipolar omni-directional ceiling antenna |
| CN108155484B (en) * | 2017-12-06 | 2021-07-30 | 广州创锦通信技术有限公司 | Broadband dual-polarized wall-mounted antenna |
| CN207753163U (en) * | 2017-12-29 | 2018-08-21 | 深圳市晟达通讯设备有限公司 | A kind of novel compositions antenna |
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