CN207490098U - A kind of intelligent mimo antenna of narrow beam scanning - Google Patents

A kind of intelligent mimo antenna of narrow beam scanning Download PDF

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Publication number
CN207490098U
CN207490098U CN201720818992.8U CN201720818992U CN207490098U CN 207490098 U CN207490098 U CN 207490098U CN 201720818992 U CN201720818992 U CN 201720818992U CN 207490098 U CN207490098 U CN 207490098U
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China
Prior art keywords
frequency
insulation medium
antenna
radiating element
arm
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Expired - Fee Related
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CN201720818992.8U
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Chinese (zh)
Inventor
卢苇
刘晓钰
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Shenzhen Qianhai Kelan Communication Co Ltd
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Shenzhen Qianhai Kelan Communication Co Ltd
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Priority to CN201720818992.8U priority Critical patent/CN207490098U/en
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Abstract

The utility model discloses a kind of narrow beams to scan intelligent mimo antenna, it includes insulating support of the one end in the barrel shape of closing, using the center of the cylinder bottom wall of stent for the radial annular tiling in the center of circle be fixed on it is on a bottom wall, interlock and multiple insulation medium boards one of uniform layout and multiple insulation medium boards two.It is the low frequency radiation arm for 1/4 wavelength that the Antenna Design uses low frequency band frequency and low frequency grounding arm that dielectric-slab one, which sets length, and complete 1/2 wavelength low-frequency singalling current path has been summed to form while low frequency half-wave a period of time is formed, it is responsible for the radiation of the antenna low frequency signal.It is the high frequency radiation arm for 1/4 wavelength that the Antenna Design uses high-band frequency and high frequency earthing arm that dielectric-slab two, which sets length, and complete 1/2 wavelength high frequency signal current path has been summed to form while high-frequency half-wave a period of time is formed, it is responsible for the radiation of the antenna high-frequency signal.

Description

A kind of intelligent mimo antenna of narrow beam scanning
Technical field
The utility model is related to a kind of antenna more particularly to a kind of intelligent mimo antennas of narrow beam scanning.
Background technology
In recent years, mobile interchange communication is grown rapidly, and has penetrated into the every aspect of life.One side smart mobile phone is put down Plate computer, PC terminal televisions, even mobile unit, the wearable object such as glasses wrist-watch just gradually incorporate mobile Internet of Things;Separately The characteristics of new is being presented with merging for internet in one side traditional industries, and Network Platform Construction and business model are all changed Become.These of terminal and industry change, and bring the rapid growth of data flow.
Radio network technique in great-leap-forward high speed development, support that people are to logical in sharp increase for the equipment of wireless connection It crosses wireless network access internet and carries out high speed Internet access surfing demand also in explosive growth, so that using MiMO studios Interior wireless coverage ceiling-installed equipment is more and more and chip solution upgrading is also getting faster, therefore support multichannel simultaneously The MiMo technologies of 2.4GHz and 4 road 5GHz will be increasingly becoming mainstream.
Traditional Antenna Design is due to limited arrangement day space of lines inside equipment, directly multiple 2.4GHz antennas and multiple 5GHz antennas arrange in a device, not only cause isolation between antenna very poor when mutual distance is too near, and each day Beta radiation field shape omni-directional is also bad, is unable to give full play MiMo technological merit energy, causes complete machine wireless performance bad, causes User's online experience is poor, this is the problem of long-standing problem industry and the pain spot of user's online experience.
Utility model content
Complete machine wireless performance to solve mimo antenna in the prior art is bad, and the technology of user's online experience difference is caused to be asked Topic, the utility model provide a kind of intelligent mimo antenna of narrow beam scanning.
The solution of the utility model is:A kind of intelligent mimo antenna of narrow beam scanning, including insulating support, installation Multiple insulation medium boards one and multiple insulation medium boards two on insulating support;Setting radiation is single on each insulation medium board one Member one sets radiating element two on each insulation medium board two;
Insulating support one end is in the barrel shape of closing, and multiple insulation medium boards one and multiple insulation medium boards two are with the branch that insulate The center of the cylinder bottom wall of frame for the radial annular layout in the center of circle on the cylinder bottom wall of insulating support, and insulation medium board one and absolutely Edge dielectric-slab two interlocks and uniform layout, and insulation medium board one and insulation medium board two tile and be fixed on the cylinder bottom of insulating support On wall;
The radiating element one includes low frequency radiation arm and low frequency grounding arm, the length of low frequency radiation arm and low frequency grounding arm Length is respectively that 1/4 wavelength that the Antenna Design uses low frequency band frequency, low frequency radiation arm and low frequency grounding arm are low in composition Complete 1/2 wavelength low-frequency singalling current path has been summed to form while frequency half-wave a period of time, has been responsible for the antenna low frequency signal Radiation;
The radiating element two includes high frequency radiation arm and high frequency earthing arm, the length of high frequency radiation arm and high frequency earthing arm Length is respectively that 1/4 wavelength that the Antenna Design uses high-band frequency, high frequency radiation arm and high frequency earthing arm are forming height Complete 1/2 wavelength high frequency signal current path has been summed to form while frequency half-wave a period of time, has been responsible for the antenna high-frequency signal Radiation.
As being further improved for said program, the central angle between adjacent insulation medium board one and insulation medium board two It is 60 °.
As being further improved for said program, the shortest distance between two neighboring dielectric-slab is more than the Antenna Design institute Use 1/2 wavelength of low frequency band frequency.
As being further improved for said program, the low-frequency range and the high band are WiFi double frequencies 2.4GHz and 5GHz frequencies Section is either GSM double frequencies or is CDMA double frequencies.
As being further improved for said program, which sets a pair of of feed area, this distinguishes phase to feed area To being arranged on low frequency radiation arm and low frequency grounding arm.
Further, the radiating element one on insulation medium board one is connected to transceiver by radio frequency coaxial-cable:This is penetrated One end of high frequency coaxial cable is welded on two feed areas of the radiating element one, and the other end of the radio frequency coaxial-cable connects Connect the radio frequency output port of the transceiver.
Still further, in the radio frequency output port of the transceiver, low frequency radio frequency signal which will modulate leads to Cross respective radio-frequency coaxial cable and be transferred to corresponding radiating element one, from radiating element one by low frequency radio frequency signal to free space spoke It penetrates.
As being further improved for said program, which sets a pair of of feed area, this distinguishes phase to feed area To being arranged on high frequency radiation arm and high frequency earthing arm.
Further, the radiating element two on insulation medium board two is connected to transceiver by radio frequency coaxial-cable:This is penetrated One end of high frequency coaxial cable is welded on two feed areas of the radiating element two, and the other end of the radio frequency coaxial-cable connects Connect the radio frequency output port of the transceiver.
Still further, in the radio frequency output port of the transceiver, high frequency radio signals which will modulate lead to Cross respective radio-frequency coaxial cable and be transferred to corresponding radiating element two, from radiating element two by high frequency radio signals to free space spoke It penetrates.
The intelligent mimo antenna of narrow beam scanning of the utility model design, makes full use of the space that complete machine is limited, passes through conjunction The layout of reason promotes the isolation between antenna, and radiation pattern is strong and weak complementary, antenna null direction alignment interference signal direction, Inhibit interference signal, improve antenna gain, it is ensured that the good wireless performance of complete machine.The complementation of radiation pattern cause remote or Person, which is worn in the case that more wall signal strengths substantially decay, still has more antennas transmitting data, gives full play to multiple-input, multiple-output MIMO technology superiority so that it is guaranteed that the good wireless performance of complete machine, promotes the online experience of user.
Description of the drawings
Fig. 1 is the stereogram of the intelligent mimo antenna of narrow beam scanning that the utility model preferred embodiment provides.
Fig. 2 is the partial top view of antenna in Fig. 1.
Fig. 3 is the structure chart of insulation medium board one in Fig. 1.
Fig. 4 is the structure chart of insulation medium board two in Fig. 1.
Fig. 5 is that the radiofrequency signal of antenna in Fig. 1 is passed to mode figure.
Fig. 6 is the one simulation result figure of radiating element of antenna in Fig. 1.
Fig. 7 is the two simulation result figure of radiating element of antenna in Fig. 1.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.
The intelligent mimo antenna of narrow beam scanning of the utility model can ensure that antenna realizes omnidirectional radiation in free space, And have good isolation, interfering with each other between reduction radiating element.Referring to Fig. 1, the antenna of the utility model is included absolutely Edge stent 33, multiple insulation medium boards 1 on insulating support 33 and multiple insulation medium boards 2 22.
In the present embodiment, the quantity of insulation medium board 1 and the quantity of insulation medium board 2 22 for 3 into For example, due to there are 3 insulation medium boards 1 for low frequency radiation and 3 insulation medium boards two of high frequency radiation in row 22, the antenna of the present embodiment is defined as 3 × 3MIMO dual-band antennas.Low-frequency range and high band can be WiFi double frequencies 2.4GHz with 5GHz frequency ranges can be either GSM double frequencies or can be CDMA double frequencies.
Incorporated by reference to Fig. 2, in the barrel shape of closing, multiple insulation medium boards 1 and multiple insulation are situated between 33 one end of insulating support Scutum 2 22 using the center of the cylinder bottom wall of insulating support 33 as the radial annular layout in the center of circle insulating support 33 cylinder bottom wall On, and insulation medium board 1 and insulation medium board 2 22 are staggeredly and uniform layout, and insulation medium board 1 and dielectric The tiling of plate 2 22 is fixed on the cylinder bottom wall of insulating support 33.
The shortest distance between two neighboring dielectric-slab is more than 1/2 wavelength that the Antenna Design uses low frequency band frequency, Reduce the co-channel interference between antenna and alien frequencies interference.When the quantity of insulation medium board 1 and the quantity of insulation medium board 2 22 When being 3, the central angle between adjacent insulation medium board 1 and insulation medium board 2 22 is 60 °, so dielectric Plate 1 and insulation medium board 2 22 are equidistant uniformly at intervals.
Radiating element one is set on each insulation medium board 1, which includes low frequency radiation arm 112 and low Frequency grounding arm 111.The length of low frequency radiation arm 112 and the length of low frequency grounding arm 111 be respectively the Antenna Design use it is low 1/4 wavelength of band frequency, low frequency radiation arm 112 and low frequency grounding arm 111 add up while low frequency half-wave a period of time is formed Complete 1/2 wavelength low-frequency singalling current path is formd, is responsible for the radiation of the antenna low frequency signal.
Incorporated by reference to Fig. 3, which sets a pair of of feed area 40,41, this is oppositely arranged feed area 40,41 respectively On low frequency radiation arm 112 and low frequency grounding arm 111.Radiating element one on insulation medium board 1 passes through radio frequency coaxial-cable It is connected to transceiver:One end of the radio frequency coaxial-cable is welded on two feed areas 40,41 of the radiating element one, should The other end of radio frequency coaxial-cable connects the radio frequency output port of the transceiver.In the radio frequency output port of the transceiver, the receipts The low frequency radio frequency signal that hair machine will modulate is transferred to corresponding radiating element one by respective radio-frequency coaxial cable, single by radiation Member one radiates low frequency radio frequency signal to free space.
Radiating element two is set on each insulation medium board 2 22, which includes high frequency radiation arm 212 and height Frequency grounding arm 211, the length of high frequency radiation arm 212 and the length of high frequency earthing arm 211 are respectively that the Antenna Design uses height 1/4 wavelength of band frequency, high frequency radiation arm 212 and high frequency earthing arm 211 add up while high-frequency half-wave a period of time is formed Complete 1/2 wavelength high frequency signal current path is formd, is responsible for the radiation of the antenna high-frequency signal.
Incorporated by reference to Fig. 4, which sets a pair of of feed area 50,51, this is oppositely arranged feed area 50,51 respectively On high frequency radiation arm 212 and high frequency earthing arm 211.Radiating element two on insulation medium board 2 22 passes through radio frequency coaxial-cable It is connected to transceiver:One end of the radio frequency coaxial-cable is welded on two feed areas 50,51 of the radiating element two, should The other end of radio frequency coaxial-cable connects the radio frequency output port of the transceiver.In the radio frequency output port of the transceiver, the receipts The high frequency radio signals that hair machine will modulate are transferred to corresponding radiating element two by respective radio-frequency coaxial cable, single by radiation Member two radiates high frequency radio signals to free space.
In the present embodiment, the radiating element on the radiating element one and insulation medium board 2 22 on insulation medium board 1 Two, respectively by radio frequency coaxial-cable 311,312,313,314,315,316, connect with transceiver.Transmitting terminal namely the transceiver Radio frequency output port, the low frequency radio frequency signal that transceiver will modulate passed respectively by radio frequency coaxial-cable 311,313,315 Defeated to three radiating elements one are radiated low frequency radio frequency signal to free space from corresponding radiating element one.High-frequency radio frequency is believed Number three radiating elements two are respectively transmitted to by radio frequency coaxial-cable 312,314,316, by radiating element two by high-frequency radio frequency Signal is radiated to free space.Signal in receiving terminal, free space is received by radiating element, is passed by coaxial cable It is defeated to arrive transceiver, signal demodulation is carried out by transceiver.
Indoor 3 × 3MIMO of AP dual-band antennas of the utility model, make full use of the space that complete machine is limited, by rational Layout promotes the isolation between antenna, while radiation pattern is strong and weak complementary, antenna null direction alignment interference signal direction, Inhibit interference signal.The complementation of radiation pattern cause it is remote or wear in the case that more wall signal strengths substantially decay according to So there are more antennas transmitting data, the MIMO technology superiority of multiple-input, multiple-output is given full play to, so that it is guaranteed that the good nothing of complete machine Linearly energy promotes the online experience of user.
In the present embodiment, radiating element is made of metallic pattern, and copper may be used in metal, and metal surface can be located Reason:Coat green oil.The working band of indoor 3 × 3MIMO of AP dual-band antennas of the utility model can be 2.412~ 2.484GHz and 5.15~5.85GHz.Dielectric stent 33 is preferably dimensioned to be radius 100mm, insulation medium board 1 40*7*1mm is preferably dimensioned to be, insulation medium board 2 22 is preferably dimensioned to be 20*10*1mm.
By designing above, make the impedance operators of indoor 3 × 3MIMO of AP dual-band antennas, antenna gain, standing-wave ratio, isolation The performance parameters such as degree, E faces and H faces 3dB lobe widths are met the requirements, so as to obtain a kind of low cost, high communication efficiency, high communication Indoor 3 × 3MIMO of AP dual-band antennas of capacity, high anti-interfering performance.The working frequency range of indoor 3 × 3MIMO of AP dual-band antennas 2.412~2.484GHz, 5.15~5.85GHz;2.4G band gains are more than 3.5dBi;Standing-wave ratio is less than 2;Interport isolation is small In -25dB;Characteristic impedance is 50 Ω;5.0G band gains are more than 3.5dBi;Standing-wave ratio is less than 2;Interport isolation be less than- 28dB;Characteristic impedance is 50 Ω;Joint style is IPX band radio shielding lines, and it is optional to shield line length.
The present embodiment fixes the size, its cost is made to reach minimum, and installation is simple, and communication performance is good, room The partial simulation result of interior 3 × 3MIMO of AP dual-band antennas as shown in Figure 6 and Figure 7, as can be seen from Figure 6 antenna 2.4GHz~ VSWR, which is less than in 2, Fig. 7, in 2.5GHz frequency ranges can be seen that antenna VSWR in 5.15GHz~5.85GHz frequency ranges is less than 2.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. a kind of intelligent mimo antenna of narrow beam scanning, including insulating support (33), more on insulating support (33) A insulation medium board one (11) and multiple insulation medium boards two (22);Radiating element is set on each insulation medium board one (11) One, radiating element two is set on each insulation medium board two (22);It is characterized in that:
Insulating support (33) one end is in the barrel shape closed, multiple insulation medium boards one (11) and multiple insulation medium boards two (22) It is fixed on this tin bottom wall, and dielectric by the radial annular tiling in the center of circle of the center of the cylinder bottom wall of insulating support (33) Plate one (11) and insulation medium board two (22) are staggeredly and uniform layout;
It is the low frequency radiation arm that the Antenna Design uses 1/4 wavelength of low frequency band frequency that the radiating element one, which includes length, (112) and low frequency grounding arm (111), low frequency radiation arm (112) and low frequency grounding arm (111) are forming the same of low frequency half-wave a period of time When be summed to form complete 1/2 wavelength low-frequency singalling current path, be responsible for the antenna low frequency signal radiation;
It is the high frequency radiation arm that the Antenna Design uses 1/4 wavelength of high-band frequency that the radiating element two, which includes length, (212) and high frequency earthing arm (211), high frequency radiation arm (212) and high frequency earthing arm (211) are forming the same of high-frequency half-wave a period of time When be summed to form complete 1/2 wavelength high frequency signal current path, be responsible for the antenna high-frequency signal radiation.
2. the intelligent mimo antenna of narrow beam scanning as described in claim 1, it is characterised in that:Adjacent insulation medium board one (11) central angle between insulation medium board two (22) is 60 °.
3. the intelligent mimo antenna of narrow beam scanning as described in claim 1, it is characterised in that:Between two neighboring dielectric-slab The shortest distance is more than 1/2 wavelength that the Antenna Design uses low frequency band frequency.
4. the intelligent mimo antenna of narrow beam scanning as described in claim 1, it is characterised in that:The low-frequency range and the high band are WiFi double frequencies 2.4GHz is either GSM double frequencies with 5GHz frequency ranges or is CDMA double frequencies.
5. the intelligent mimo antenna of narrow beam scanning as described in claim 1, it is characterised in that:The radiating element one sets a pair Feed area (40,41), this is oppositely arranged on low frequency radiation arm (112) and low frequency grounding arm (111) respectively to feed area (40,41) On.
6. the intelligent mimo antenna of narrow beam scanning as claimed in claim 5, it is characterised in that:On insulation medium board one (11) Radiating element one is connected to transceiver by radio frequency coaxial-cable:One end of the radio frequency coaxial-cable is welded to the radiation list On two feed areas (40,41) of member one, the other end of the radio frequency coaxial-cable connects the radio frequency output port of the transceiver.
7. the intelligent mimo antenna of narrow beam scanning as claimed in claim 6, it is characterised in that:It is exported in the radio frequency of the transceiver Port, the low frequency radio frequency signal which will modulate are transferred to corresponding radiating element one by respective radio-frequency coaxial cable, Low frequency radio frequency signal is radiated to free space from radiating element one.
8. the intelligent mimo antenna of narrow beam scanning as described in claim 1, it is characterised in that:The radiating element two sets a pair Feed area (50,51), this is oppositely arranged on high frequency radiation arm (212) and high frequency earthing arm (211) respectively to feed area (50,51) On.
9. the intelligent mimo antenna of narrow beam scanning as claimed in claim 8, it is characterised in that:On insulation medium board two (22) Radiating element two is connected to transceiver by radio frequency coaxial-cable:One end of the radio frequency coaxial-cable is welded to the radiation list On two feed areas (50,51) of member two, the other end of the radio frequency coaxial-cable connects the radio frequency output port of the transceiver.
10. the intelligent mimo antenna of narrow beam scanning as claimed in claim 9, it is characterised in that:It is defeated in the radio frequency of the transceiver Exit port, the high frequency radio signals which will modulate are transferred to corresponding radiating element by respective radio-frequency coaxial cable Two, high frequency radio signals are radiated to free space from radiating element two.
CN201720818992.8U 2017-07-07 2017-07-07 A kind of intelligent mimo antenna of narrow beam scanning Expired - Fee Related CN207490098U (en)

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CN201720818992.8U CN207490098U (en) 2017-07-07 2017-07-07 A kind of intelligent mimo antenna of narrow beam scanning

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CN201720818992.8U CN207490098U (en) 2017-07-07 2017-07-07 A kind of intelligent mimo antenna of narrow beam scanning

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107369898A (en) * 2017-07-07 2017-11-21 深圳前海科蓝通信有限公司 A kind of narrow beam scans intelligent mimo antenna

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107369898A (en) * 2017-07-07 2017-11-21 深圳前海科蓝通信有限公司 A kind of narrow beam scans intelligent mimo antenna
CN107369898B (en) * 2017-07-07 2023-08-15 深圳前海科蓝通信有限公司 Narrow wave beam scanning intelligent MIMO antenna

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Granted publication date: 20180612

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