CN114709593A - Anti-interference intelligent antenna system - Google Patents
Anti-interference intelligent antenna system Download PDFInfo
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- CN114709593A CN114709593A CN202210632199.4A CN202210632199A CN114709593A CN 114709593 A CN114709593 A CN 114709593A CN 202210632199 A CN202210632199 A CN 202210632199A CN 114709593 A CN114709593 A CN 114709593A
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- 238000004891 communication Methods 0.000 claims abstract description 62
- 238000009792 diffusion process Methods 0.000 claims abstract description 15
- 239000000919 ceramic Substances 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 229910001289 Manganese-zinc ferrite Inorganic materials 0.000 claims description 9
- JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical group [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 claims description 9
- 229910001053 Nickel-zinc ferrite Inorganic materials 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 7
- 230000035699 permeability Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002265 prevention Effects 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
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
- H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
- H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/526—Electromagnetic shields
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
Abstract
The invention discloses an anti-interference intelligent antenna system, which comprises a fixing device, a fixing device and a control device, wherein the fixing device comprises a bottom plate and a sealing ring and is used for fixing the intelligent antenna system; the communication device comprises a fixed plate, a first circuit board, a flexible antenna strip and a rod-shaped antenna, and high-precision automobile positioning is realized by matching various communication modules with corresponding antenna systems so as to meet the use requirements of the vehicle on a navigation system in a complicated road section and a vehicle congestion road section; the anti-interference device comprises a first permanent magnet, a second permanent magnet and a sleeve, wherein the first permanent magnet can inhibit low-frequency electromagnetic interference, the second permanent magnet can inhibit high-frequency electromagnetic interference, and the first permanent magnet and the second permanent magnet are matched to play a role in reducing external electromagnetic interference; the diffusion device comprises a second circuit board, a ceramic substrate and a shielding cover, and can transmit electromagnetic signals through the second circuit board and the ceramic substrate, and further cooperate with the V2X communication module to sense the position information of surrounding vehicles in real time.
Description
Technical Field
The invention relates to the field of communication, in particular to an anti-interference intelligent antenna system.
Background
The intelligent antenna system is a positioning component commonly used for automobiles, and can provide receiving and sending of satellite signals for vehicles so as to realize communication of the vehicles and positioning navigation of the vehicles, but the traditional intelligent antenna system is easily interfered by communication signals of other vehicles under the condition that the vehicles are more, so that the positioning of the vehicles is not accurate enough, and the navigation system can not be normally used easily due to poor communication signals on a road section with complicated traffic and a road section with congestion of the vehicles.
The aircraft, the positioning antenna device, and the circuit arrangement for a positioning antenna as proposed in CN202110969886.0, wherein a power divider is used to output a positioning signal from an aircraft positioning antenna to an aircraft antenna receiver and a radar antenna receiver of the positioning antenna, respectively, so that the aircraft antenna receiver determines the position of the aircraft based on the positioning signal, and the radar antenna receiver determines the position of the airborne radar based on the positioning signal. According to the embodiment of the invention, the positioning signals received by the positioning antenna can be simultaneously used for determining the position of the aircraft and the position of the airborne radar, so that the requirement of the positioning antenna special for the airborne radar is eliminated; meanwhile, the backflow prevention capacitor arranged between the first power divider and the radar antenna receiver can cut off direct current, so that the airborne radar is protected from being influenced by feed current of the positioning antenna.
The invention can realize high-precision automobile positioning by matching various communication modules with corresponding antenna systems so as to meet the use requirements of the vehicle on a navigation system in a complicated road section and a vehicle congestion road section.
Disclosure of Invention
In order to solve the above problems, an objective of the present invention is to provide an anti-interference smart antenna system, which can realize high-precision positioning of an automobile by using multiple communication modules in cooperation with corresponding antenna systems, so as to meet the use requirements of the vehicle on a navigation system in a complicated road section and a congested road section.
The invention provides an anti-interference intelligent antenna system, which comprises a mounting seat, wherein a first shell is arranged on the mounting seat, and a second shell is arranged behind the first shell, and is characterized in that:
the intelligent antenna system is characterized in that a fixing device capable of enabling the intelligent antenna system to be installed on the top of an automobile is arranged below the installation seat, a communication device used for receiving and sending signals is arranged in the installation seat, an anti-interference device capable of shielding electromagnetic interference is arranged below the communication device, and a diffusion device capable of assisting in sending signals is connected to the lower portion of the communication device through a lead.
Further, the first shell and the mounting seat are in a fin-shaped streamline shape.
Furthermore, the fixing device comprises a bottom plate arranged below the first shell and sealing rings arranged on the lower surface of the mounting seat and the upper surface of the bottom plate, and a through hole is formed in the bottom plate.
Further, communication device is including locating the fixed plate in the first casing, and this fixed plate top is equipped with first circuit board, is equipped with 5G communication module, GPS and big dipper bimodulus communication module, V2X communication module on this first circuit board, and it has the through-hole to open on this first circuit board to be connected with the wire through the through-hole, the wire end is equipped with the joint, and also opens corresponding through-hole on the fixed plate, communication device still including being fixed in the flexible antenna area in the first casing and installing the rod antenna in the second casing.
Furthermore, the anti-interference device comprises a first permanent magnet and a second permanent magnet which are arranged between the fixing plate and the bottom plate, and a sleeve which is sleeved on the lead.
Furthermore, the diffusion device comprises a second circuit board connected with the first circuit board through a wire, a ceramic substrate is arranged above the second circuit board, a shielding cover is arranged below the second circuit board, a fixing shell is arranged on the outer side of the second circuit board, and a fixing screw is arranged on the fixing shell.
Further, the flexible antenna strip is ring-shaped, and a plurality of flexible antenna strips are arranged in a tower shape.
Furthermore, the first permanent magnet is nickel zinc ferrite, the second permanent magnet is manganese zinc ferrite, and through holes matched with the sleeve are formed in the first permanent magnet and the second permanent magnet.
Has the advantages that:
1. the communication device comprises a fixed plate arranged in a first shell, a first circuit board is arranged above the fixed plate, a 5G communication module, a GPS and Beidou dual-mode communication module and a V2X communication module are arranged on the first circuit board, the communication device further comprises a flexible antenna band fixed in the first shell and a rod-shaped antenna arranged in a second shell, the flexible antenna band is annular, and a plurality of flexible antenna bands are arranged in a tower shape, wherein the 5G communication module realizes ultra-wide isolation of the antenna through decoupling technology to fully meet high-speed and low-delay uploading and downloading data of a vehicle in the running process, the GPS and Beidou dual-mode communication module can improve the sensitivity of the antenna, a receiving terminal matched with the ground can realize centimeter-level high-precision positioning, and the V2X communication module takes the vehicle as the center to communicate with surrounding vehicles, equipment and base stations so as to obtain real-time road conditions, Road information, pedestrian information and a series of traffic information to improve driving safety, reduce and block up, improve traffic efficiency, provide on-vehicle amusement information, make the road-to-vehicle cooperation more accurate, realize 800 meters 0 packet loss rate, the flexible antenna area of tower type then can improve the transmission and the angle of receiving of communication signal, expand the scope of transmission and receiving.
2. The anti-interference device comprises a first permanent magnet and a second permanent magnet which are arranged between a fixed plate and a bottom plate, and further comprises a sleeve which is sleeved on a lead, wherein the first permanent magnet is nickel-zinc ferrite, the second permanent magnet is manganese-zinc ferrite, through holes which are matched with the sleeve are formed in the first permanent magnet and the second permanent magnet, the first permanent magnet and the second permanent magnet are matched with the lead in the sleeve through the through holes which are matched with the sleeve, so that the inner diameters of the first permanent magnet and the second permanent magnet tightly wrap the lead to avoid magnetic leakage, meanwhile, the magnetic permeability of the second permanent magnet of the manganese-zinc ferrite is high, the characteristic impedance at low frequency is higher, the characteristic impedance at high frequency is lower, the effect is better when the second permanent magnet inhibits high-frequency interference, the magnetic permeability of the first permanent magnet of the nickel-zinc ferrite is lower, the effect is better when the low-frequency interference is inhibited, and the interference frequency bandwidth which can be inhibited can be increased when the first permanent magnet is matched with the second permanent magnet, thereby realizing better anti-interference effect.
3. Diffusion equipment includes the second circuit board of connecting first circuit board through the wire, this second circuit board top is equipped with ceramic substrate, second circuit board below is equipped with the shield cover, the second circuit board outside is equipped with the set casing, be equipped with the set screw on the set casing, diffusion equipment can install in the four corners of vehicle through the set casing, and through second circuit board and ceramic substrate transmission electromagnetic signal, and then with the cooperation of V2X communication module, the positional information of peripheral vehicle of real-time induction, and receive the feedback through flexible antenna area, make more accurate the fixing a position of this intelligent antenna system ability, make vehicle navigation system can be at the road complicacy and normal use under the vehicle condition of blocking up.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the overall structure of the present invention.
Fig. 3 is an exploded view of the present invention.
Fig. 4 is a cross-sectional view of a communication device of the present invention.
Fig. 5 is a schematic diagram of the overall structure of the flexible antenna strap of the present invention.
Fig. 6 is an exploded view of the tamper-resistant device of the present invention.
Fig. 7 is a schematic diagram of the overall structure of the anti-interference apparatus of the present invention.
Fig. 8 is an exploded view of the diffusion device of the present invention.
Fig. 9 is an exploded view of the diffusion device of the present invention.
Reference numerals: a mounting base 1; a first housing 2; a second housing 3; a fixed plate 4; a bottom plate 5; a seal ring 6; a first circuit board 7; a wire 8; a joint 9; a flexible antenna strap 10; a rod antenna 11; a first permanent magnet 12; a second permanent magnet 13; a sleeve 14; a stationary case 15; a second circuit board 16; a ceramic substrate 17; a shield 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments, and in order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below, which are, of course, merely examples and are not intended to limit the present invention.
In the following, referring to the accompanying drawings, an anti-interference smart antenna system according to an embodiment of the present invention is described, as shown in fig. 1 to 9, the smart antenna system includes a first housing 2 on a mounting base 1, a second housing 3 behind the first housing 2, and the first housing 2 and the mounting base 1 are fin-shaped flow lines, which can reduce air resistance when a vehicle is driving, and ensure stable installation of the smart antenna system, and is characterized in that:
the intelligent antenna system is characterized in that a fixing device capable of enabling the intelligent antenna system to be installed on the top of an automobile is arranged below the installation base 1, a communication device used for receiving and sending signals is arranged in the installation base 1, an anti-interference device capable of shielding electromagnetic interference is arranged below the communication device, and a diffusion device capable of assisting in sending signals is connected to the lower portion of the communication device through a wire 8.
As shown in fig. 3, the anti-interference smart antenna system includes a fixing device, the fixing device includes a bottom plate 5 disposed below the first housing 2 and a sealing ring 6 disposed on the lower surface of the mounting base 1 and the upper surface of the bottom plate 5, and a through hole is formed in the bottom plate 5.
In a specific embodiment: this smart antenna system is fixed in the vehicle top when using, opens corresponding hole that has through the vehicle top and fixes for mount pad 1 is located the vehicle top, and bottom plate 5 is located the vehicle, and 1 sub-bottom plate 5 of mount pad is fixed through the screw, and seals up waterproof through sealing washer 6.
As shown in fig. 4, 5 and 6, the anti-interference smart antenna system includes a communication device, the communication device includes a fixing plate 4 disposed in the first housing 2, a first circuit board 7 is disposed above the fixing plate 4, a 5G communication module, a GPS and beidou dual-mode communication module, and a V2X communication module are disposed on the first circuit board 7, the first circuit board 7 is provided with a through hole and is connected with a lead 8 through the through hole, a connector 9 is disposed at the end of the lead 8 and is used for connecting a vehicle for exchanging information and supplying power, and the fixing plate 4 is also provided with a corresponding through hole, the communication device further includes a flexible antenna strip 10 fixed in the first housing 2 and a rod antenna 11 mounted in the second housing 3, the flexible antenna strip 10 is annular, and the plurality of flexible antenna strips 10 are arranged in a tower shape.
In a specific embodiment: the flexible antenna band 10 and the rod antenna 11 are connected with the first circuit board 7 for receiving and sending signals, and the communication and positioning of satellite signals are carried out through the 5G communication module, the GPS and Beidou dual-mode communication module and the V2X communication module on the first circuit board 7, wherein the 5G communication module realizes the ultra-wide isolation of the antenna through a decoupling technology, the ultra-wide isolation of the antenna is fully met, the high-speed low-delay uploading and downloading data of a vehicle in the running process are fully met, the GPS and Beidou dual-mode communication module can improve the sensitivity of the antenna, the centimeter-level high-precision positioning can be realized by a receiving terminal matched with the ground, the V2X communication module takes the vehicle as the center and is communicated with peripheral vehicles, equipment and base stations, so as to obtain a series of traffic information such as real-time road conditions, road information and pedestrian information, and the like, thereby improving the driving safety, reducing congestion, improving the traffic efficiency and providing vehicle-mounted entertainment information, the vehicle-road coordination is faster and more accurate, the packet loss rate of 800 meters 0 is realized, the tower-shaped flexible antenna band 10 can improve the transmitting and receiving angles of communication signals, and the transmitting and receiving range is enlarged.
As shown in fig. 6, the anti-interference smart antenna system includes an anti-interference device, the anti-interference device includes a first permanent magnet 12 and a second permanent magnet 13 disposed between the fixing plate 4 and the bottom plate 5, and further includes a sleeve 14 sleeved on the lead 8, the first permanent magnet 12 is a nickel-zinc ferrite, the second permanent magnet 13 is a manganese-zinc ferrite, and the first permanent magnet 12 and the second permanent magnet 13 are provided with through holes engaged with the sleeve 14.
In a specific embodiment: the first permanent magnet 12 and the second permanent magnet 13 are matched with the lead 8 in the sleeve 14 through the through hole matched with the sleeve 14, so that the inner diameters of the first permanent magnet 12 and the second permanent magnet 13 tightly wrap the lead 8, magnetic leakage is avoided, meanwhile, the magnetic permeability of the second permanent magnet 13 of the manganese-zinc ferrite is high, the characteristic impedance is higher when the manganese-zinc ferrite is low, the characteristic impedance is lower when the manganese-zinc ferrite is high, and therefore, the second permanent magnet 13 has a better effect when high-frequency interference is restrained, the magnetic permeability of the first permanent magnet 12 of the nickel-zinc ferrite is low, the low-frequency interference is restrained, and the interference frequency bandwidth which can be restrained can be widened when the first permanent magnet 12 is matched with the second permanent magnet 13.
As shown in fig. 9, the anti-interference smart antenna system includes an anti-diffusion device, the diffusion device includes a second circuit board 16 connected to the first circuit board 7 through a wire 8, a ceramic substrate 17 is disposed above the second circuit board 16, a shielding case 18 is disposed below the second circuit board 16, a fixing case 15 is disposed outside the second circuit board 16, and a fixing screw is disposed on the fixing case 15.
In a specific embodiment: diffusion equipment passes through set casing 15 to be installed in the four corners of vehicle, can pass through second circuit board 16 and ceramic substrate 17 transmission electromagnetic signal, and then with the cooperation of V2X communication module, the positional information of peripheral vehicle of real-time induction to receive the feedback through flexible antenna strip 10, make this intelligent antenna system can more accurate fix a position, make vehicle navigation system can be at the road complicacy and normal use under the vehicle congestion condition.
The diffusion device is positioned in the automobile shell, can shield partial electromagnetic signal interference by means of the metal automobile shell, and is matched with the shielding cover 18 to greatly shield the interference of external electromagnetic signals, so that the electromagnetic signals emitted by the diffusion device can be better sensed to surrounding vehicles.
The working principle is as follows: the intelligent antenna system is fixed on the top of a vehicle when in use, and is fixed through a corresponding hole formed in the top of the vehicle, so that a mounting seat 1 is positioned above the vehicle, a bottom plate 5 is positioned in the vehicle, a sub-bottom plate 5 of the mounting seat 1 is fixed through screws and is sealed and waterproof through a sealing ring 6, then a flexible antenna belt 10 and a rod antenna 11 are connected with a first circuit board 7 for receiving and sending signals, and satellite signals are communicated and positioned through a 5G communication module, a GPS and Beidou dual-mode communication module and a V2X communication module on the first circuit board 7, wherein the 5G communication module realizes ultra-wide isolation of the antenna through decoupling technology, the requirement of high-speed low-delay uploading and downloading of data in the running process of the vehicle is fully met, the GPS and Beidou dual-mode communication modules can improve the sensitivity of the Beidou antenna, and a receiving terminal matched with the ground can realize centimeter-level high-precision positioning, the V2X communication module takes the vehicle as the center and communicates with the surrounding vehicles, equipment and base stations, so as to obtain a series of traffic information such as real-time road conditions, road information, pedestrian information and the like, thereby improving driving safety, reducing congestion, improving traffic efficiency, providing vehicle-mounted entertainment information, enabling the vehicle-mounted road to cooperate faster and more accurately, realizing a packet loss rate of 800 m 0, the tower-shaped flexible antenna band 10 can improve the transmitting and receiving angles of communication signals, expanding the transmitting and receiving ranges, being matched with the diffusion devices arranged at four corners of the vehicle through the fixed shell 15, then the second circuit board 16 and the ceramic substrate 17 transmit electromagnetic signals, being matched with the V2X communication module, sensing the position information of the surrounding vehicles in real time, receiving feedback through the flexible antenna band 10, enabling the intelligent antenna system to position more accurately, enabling the vehicle-mounted navigation system to be normally used under the conditions of complex roads and vehicle congestion, meanwhile, the first permanent magnet 12 and the second permanent magnet 13 are matched with the lead 8 in the sleeve 14 through the through hole matched with the sleeve 14, so that the inner diameters of the first permanent magnet 12 and the second permanent magnet 13 tightly wrap the lead 8, magnetic leakage is avoided, meanwhile, the magnetic permeability of the second permanent magnet 13 of the manganese-zinc ferrite is high, the characteristic impedance at low frequency is higher, and the characteristic impedance at high frequency is lower, so that the second permanent magnet 13 has a better effect in inhibiting high-frequency interference, the magnetic permeability of the first permanent magnet 12 of the nickel-zinc ferrite is low, and the effect is better when inhibiting low-frequency interference, and the interference frequency bandwidth which can be inhibited can be increased by matching the first permanent magnet 12 with the second permanent magnet 13, so that a better anti-interference effect is achieved.
Claims (8)
1. The utility model provides an anti-interference type smart antenna system, the mount pad that this smart antenna system includes is equipped with first casing, and the rear of first casing is equipped with second casing, its characterized in that:
a fixing device which can enable the intelligent antenna system to be installed on the top of the automobile is arranged below the installation seat, and a communication device for receiving and transmitting signals is arranged in the installation seat;
an anti-interference device capable of shielding electromagnetic interference is arranged below the communication device, and a diffusion device capable of assisting in transmitting signals is connected below the communication device through a lead.
2. A tamper-resistant smart antenna system as recited in claim 1, wherein the first housing and the mounting block are fin-shaped and streamlined.
3. An anti-tamper smart antenna system as recited in claim 1, wherein the fixture comprises a base plate disposed below the first housing and a gasket disposed on the lower surface of the mounting base and the upper surface of the base plate, the base plate having a through hole.
4. An anti-interference smart antenna system as recited in claim 3, wherein said communication device comprises a fixed plate disposed in the first housing, a first circuit board disposed above the fixed plate, the first circuit board having a 5G communication module, a GPS and beidou dual-mode communication module, and a V2X communication module, the first circuit board having a through hole and being connected with a wire through the through hole, the end of the wire having a connector, and the fixed plate having a corresponding through hole, said communication device further comprising a flexible antenna strip fixed in the first housing and a rod antenna mounted in the second housing.
5. The system of claim 4, wherein the anti-tamper apparatus comprises a first permanent magnet and a second permanent magnet disposed between the mounting plate and the base plate, and further comprises a sleeve disposed over the wire.
6. The system of claim 1, wherein the diffusing device comprises a second circuit board connected to the first circuit board by a wire, the second circuit board has a ceramic substrate disposed thereon, the second circuit board has a shielding cover disposed thereon, and a fixing shell is disposed on the outer side of the second circuit board and provided with a fixing screw.
7. A tamper-resistant smart antenna system as recited in claim 4, wherein the flexible antenna strap is loop-shaped and the plurality of flexible antenna straps are arranged in a tower-type configuration.
8. The anti-interference smart antenna system as recited in claim 5, wherein the first permanent magnet is a nickel zinc ferrite, the second permanent magnet is a manganese zinc ferrite, and the first permanent magnet and the second permanent magnet are provided with through holes engaged with the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210632199.4A CN114709593A (en) | 2022-06-07 | 2022-06-07 | Anti-interference intelligent antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210632199.4A CN114709593A (en) | 2022-06-07 | 2022-06-07 | Anti-interference intelligent antenna system |
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| CN114709593A true CN114709593A (en) | 2022-07-05 |
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| CN202210632199.4A Pending CN114709593A (en) | 2022-06-07 | 2022-06-07 | Anti-interference intelligent antenna system |
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| CN110352608A (en) * | 2017-03-31 | 2019-10-18 | 英特尔公司 | Dynamic beam for vehicle communication is oriented to |
| CN112422143A (en) * | 2020-11-03 | 2021-02-26 | 江苏北斗星通汽车电子有限公司 | High-precision positioning vehicle-mounted equipment, intelligent cabin and vehicle |
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2022
- 2022-06-07 CN CN202210632199.4A patent/CN114709593A/en active Pending
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Application publication date: 20220705 |