CN215911591U

CN215911591U - All-in-one antenna

Info

Publication number: CN215911591U
Application number: CN202122665324.5U
Authority: CN
Inventors: 郑纬宇; 陈建忠; 赵雨桐; 徐扬; 沈鹏飞
Original assignee: People Huazhi Communication Technology Co ltd
Current assignee: People Huazhi Communication Technology Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-02-25
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses an all-in-one antenna, which comprises: various antennas are integrated in an antenna shell, received signals are transmitted into a hybrid combiner, different frequency signals are combined into one or more radio frequency connecting lines through the hybrid combiner, and then the signals are separately transmitted to a receiving end through the hybrid divider.

Description

All-in-one antenna

Technical Field

The utility model relates to the technical field of communication, in particular to an all-in-one antenna.

Background

With the advent of the intelligent era, particularly the 5G era, the role played by automobiles is no longer a simple transportation tool, but rather a feasible communication center. The automobile realizes interconnection and intercommunication between vehicles (V2V), vehicles and roads (V2R), vehicles and networks (V2I), vehicles and people (V2H) and the like through the internet of vehicles technology, and realizes communication and roaming between the vehicle ad hoc network and various heterogeneous networks. In the future, automobiles can make great progress in the fields of automatic driving, people and vehicle safety, traffic control, information service, smart cities and the like besides simple functions of radio reception and navigation. The continuous development of the vehicle-mounted communication system promotes the improvement of the vehicle networking technology, and also brings more challenges to the design of the antenna and the feed system. Satellite radio, GPS, AM/FM radio, cellular, 4G, 5G, etc. radio signals arrive from the outside into the vehicle and these electromagnetic signals must be captured by an antenna and then coupled into electronic circuitry for signal processing via a cable. To not flood the vehicle with antennas, engineers typically integrate multiple antennas into one antenna module, such as a vehicle shark fin antenna. The automobile body spoiler can play a turbulent flow role in aerodynamics, is convenient to assemble, can be directly adhered to an automobile body shell after being connected through a cable, and most importantly, can integrate a plurality of antenna transceiving systems, reduces development cost and saves automobile body space. However, in the conventional vehicle-mounted communication system technology, one antenna and one radio frequency cable are required for one communication function to realize signal receiving and transmitting, and the increase of the communication function means the increase of the number of the antennas and the number of the radio frequency cables. This antenna and feed method poses 2 serious problems: firstly, a passenger vehicle has limited space for an antenna, an antenna system is too crowded, electromagnetic interference is serious, and the efficiency of the antenna is influenced; and the number of the radio frequency cables is large, so that the material cost and the installation cost are greatly improved, and the design of the space layout in the vehicle is not facilitated.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the present invention is to overcome the defects that in a vehicle-mounted communication system technology, one antenna and one radio frequency cable are required for a communication function to achieve signal receiving and transmitting, so that the number of antennas and the number of radio frequency cables are increased, the antenna efficiency is affected, and the design of the space layout in the vehicle is not facilitated, thereby providing an all-in-one antenna.

In order to achieve the purpose, the utility model provides the following technical scheme:

the embodiment of the utility model provides an all-in-one antenna, which comprises: the hybrid combiner comprises antennas with different functions, at least one hybrid combiner, at least two radio frequency connector joints, at least one radio frequency connecting wire, at least one hybrid splitter and antenna modules with different functions, wherein the at least two antennas with different functions are combined by the hybrid combiner and then sequentially connected with the hybrid splitter through the radio frequency connector joint and the radio frequency connecting wire, and the hybrid splitter divides the combined antennas and then connects the antenna modules with corresponding functions.

In one embodiment, the all-in-one antenna further comprises: the antenna shell, the antenna with different functions and the hybrid combiner are all arranged in the antenna shell.

In one embodiment, the all-in-one antenna further comprises: the host machine shell, the antenna module with different functions and the hybrid branching unit are all arranged in the host machine shell.

In one embodiment, an antenna with different functions includes: any of a plurality of combinations of a radio antenna, a positioning antenna, a short range communication antenna, a long range communication antenna, a DSRC antenna, and a V2X antenna.

In one embodiment, an antenna module having different functions includes: any combination of a radio module, a positioning module, a short-range communication module, a long-range communication module, a DSRC module, and a V2X module.

In one embodiment, antennas with different functions receive or transmit signals by at least one ultra-wideband antenna.

In an embodiment, when the long-range communication antenna is a 5G communication antenna and the long-range communication module is a 5G communication module, the number of the hybrid combiners is at least two, and two MIMO in 5G communication are combined with other antennas through different hybrid combiners.

The technical scheme of the utility model has the following advantages:

1. the utility model provides an all-in-one antenna, comprising: at least two antennas with different functions are combined by a hybrid combiner and then sequentially connected with a hybrid splitter through a radio frequency connector joint and a radio frequency connecting wire, and the hybrid splitter divides the combined antennas and then connects the combined antennas with corresponding antenna modules. The hybrid combiner and the hybrid splitter are introduced, so that fewer radio frequency connectors and fewer radio frequency connecting wires can be used, the installation is convenient, and the cost can be effectively reduced by fewer radio frequency connectors and fewer connecting wires.

2. The all-in-one antenna provided by the utility model is applied to the vehicle-mounted communication technology by combining and shunting the antennas with different functions, so that the communication frequency band is more completely covered, and the requirements of automobile communication and positioning are met.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1(a) and fig. 1(b) are both composition diagrams of a specific example of the all-in-one antenna provided by the embodiment of the present invention;

fig. 2 is a composition diagram of another specific example of the all-in-one antenna according to the embodiment of the present invention;

fig. 3 is a composition diagram of another specific example of the all-in-one antenna according to the embodiment of the present invention;

fig. 4 is a composition diagram of another specific example of the all-in-one antenna according to the embodiment of the present invention;

fig. 5 is a composition diagram of another specific example of the all-in-one antenna according to the embodiment of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Examples

An embodiment of the present invention provides an all-in-one antenna, as shown in fig. 1(a) and 1(b), including: the hybrid combiner comprises an antenna 1 with different functions, at least one hybrid combiner 2, at least two radio frequency connector joints 3, at least one radio frequency connecting wire 4, at least one hybrid splitter 5 and antenna modules 6 with different functions.

As shown in fig. 1(a) and 1(b), in the embodiment of the present invention, at least two antennas 1 with different functions are combined by a hybrid combiner 2, and then sequentially connected to a hybrid splitter 5 through a radio frequency connector 3 and a radio frequency connecting line 4, and the hybrid splitter 5 splits the combined antennas 1 and then connects to the corresponding antenna modules 6.

As shown in fig. 1(a) and 1(b), an antenna # i corresponds to an antenna module # i, where i is 1 to n, for example: if the antenna #1 is a radio antenna, the antenna module #1 is a radio module, and if the antenna #2 is a positioning antenna, the antenna module #2 is a positioning module.

Specifically, the hybrid combiner 2 and the hybrid splitter 5 according to the embodiment of the present invention may be formed of a SIW substrate integrated waveguide, a SAW filter, an FBAR filter, a BAW filter, a monoblock dielectric filter, a dielectric waveguide filter, a microstrip filter, an MEMS filter, a metal cavity filter, a plastic filter, an LC lumped filter, and the like, and the hybrid combiner 2 and the hybrid splitter 5 have a reciprocal characteristic by using a filter made of a filter material.

Specifically, the hybrid combiner 2 and the hybrid splitter 5 in the embodiment of the utility model meet the requirements of miniaturization, high integration, vibration prevention and national standard, so that the whole device has higher integration level, smaller volume and stronger vibration prevention capability.

Specifically, the number of hybrid combiners 2 and hybrid splitters 5 according to the embodiment of the present invention may be determined according to the number of antennas 1, for example: the number of the hybrid combiners 2 and the hybrid splitters 5 in fig. 1(a) is 1, so as to achieve the effect of combining multiple paths into one, and the number of the hybrid combiners 2 and the hybrid splitters 5 in fig. 1(b) is two, so as to achieve the effect of combining multiple paths into two.

Specifically, the number of the radio frequency connector contacts 3 and the number of the radio frequency connection lines 4 according to the embodiment of the present invention are determined according to whether there are the antennas 1 and the antenna modules 6 for uplink and downlink communication, for example: in fig. 1(b), there are four rf connector contacts 3 and two rf connection lines 4, and the number of the rf connector contacts 3 is twice the number of the rf connection lines 4.

In an embodiment, as shown in fig. 2, the all-in-one antenna further includes: antenna housing 7 and host computer shell 8, antenna 1, the hybrid combiner 2 that have different functions all are in antenna housing 7, and antenna module 6, the hybrid branching unit 5 that have different functions all are in host computer shell 8, and each antenna module 6 constitutes the assembly module with host computer shell 8.

In a specific embodiment, the antenna 1 with different functions comprises: any of a plurality of combinations of a radio antenna, a positioning antenna, a short range communication antenna, a long range communication antenna, a DSRC antenna, and a V2X antenna. The antenna module 6 having different functions includes: any combination of a radio module, a positioning module, a short-range communication module, a long-range communication module, a DSRC module, and a V2X module.

Specifically, according to actual communication requirements, the antenna 1 may include: a radio antenna, a positioning antenna, a short-range communication antenna, and a V2X antenna, the antenna module 6 includes: a radio module, a location module, a short-range communication module, a V2X module, or may include: a radio antenna, a long-range communication antenna, a DSRC antenna, and a V2X antenna, the antenna module 6 includes: a sound reception module, a long-range communication module, a DSRC module, and a V2X module, which are given by way of example only and are not limited thereto.

Specifically, the radio antenna of the embodiment of the present invention includes, but is not limited to, a vehicle: the radio bands AM, FM, DAB, etc. may be opened in other radio bands in the future, and are not limited herein.

Specifically, the AM broadcast included in the radio antenna and the radio module is Amplitude Modulation (AM) waves, and the frequency range is defined as 531KHz to 1602 KHz; the FM broadcast contained in the radio antenna and the radio module is Frequency Modulation (Frequency Modulation), and the Frequency range is defined to be 87.5MHz to 108 MHz; the DAB broadcast included in the radio antenna and the radio module is Digital Audio Broadcasting (Digital Audio Broadcasting), and the frequency ranges are defined as 47MHz to 68MHz, 87.5MHz to 108MHz, 470MHz to 790MHz, 1452MHz to 1492MHz, and 2300MHz to 2600 MHz.

Specifically, the positioning antenna and the positioning module of the embodiment of the present invention include, but are not limited to, four international positioning antenna systems: beidou, GPS, Galileo and GLONASS, etc., wherein the Beidou is the Chinese Beidou Satellite Navigation System (English name: BeiDou Navigation Satellite System, abbreviated as BDS); the GPS is a Global Positioning System (GPS) in the united states; galileo is a global satellite navigation system officially introduced in europe in 1999, intended to be independent of GPS and GLONASS; GLONASS is an abbreviation for the russian "GLOBAL NAVIGATION satellite system SATELLITE SYSTEM". It should be noted that, in the future, other positioning frequency bands may be opened and used in the embodiment of the present invention, which is not limited herein.

Specifically, the short-range communication antenna and the short-range communication module of the embodiment of the present invention include, but are not limited to, the current short-range communication frequency band: WIFI, bluetooth, etc., and other short-range communication bands may be available in the future for use in the embodiments of the present invention, which is not limited herein.

Specifically, wireless fidelity (WIFI) is a wireless network transmission technology for converting wired network signals into wireless signals, and the wireless signals are received by related terminal devices supporting the technology. WIFI may also be denoted as "Wi-Fi", "WiFi", "Wifi", or "WIFI". The terminal equipment capable of supporting wifi connection needs to be provided with a wifi antenna for receiving and transmitting signals. The working frequency band of the wifi antenna comprises 2.4 GHz-2.5 GHz, wifi operating on the 5GHz frequency band is called wifi 5G, sometimes also called 5G wifi, and the wifi adopts 802.11ac protocol standard. Bluetooth (also known as Bluetooth) is a substitute for a low-power short-range wireless connection technology standard, with a maximum transmission distance of up to 10 meters, and the user can utilize the 2.4GHz ISM (industrial, scientific, medical) band without having to pass through the allowed bands. The communication medium is electromagnetic wave with frequency between 2.402GHz and 2.480 GHz.

Specifically, the long-range communication antenna and the long-range communication module of the embodiment of the present invention include, but are not limited to, the current long-range communication bands 2G, 3G, 4G, 5G, etc., and other long-range communication bands may be opened in the future.

Specifically, the 2G, 3G, 4G, and 5G included in the long-range communication antenna and the long-range communication module are respectively defined as a second generation mobile communication technology, a third generation mobile communication technology, a fourth generation mobile communication technology, and a fifth generation mobile communication technology. The corresponding communication modes are TDD and FDD, where TDD is Time Division duplex (Time Division duplex), uplink and downlink communication can be realized through a radio Frequency connection line 4, and FDD is Frequency Division duplex (Frequency Division duplex), and since uplink and downlink communication frequencies are not consistent, a combiner and a splitter are required to combine and then split signals. Furthermore, 5G communication requires MIMO, meaning Multiple Input Multiple Output (MIMO), which is an antenna system that uses multiple antennas at both the transmitting end and the receiving end to form multiple channels between transmission and reception in order to greatly increase channel capacity. Because of the common-frequency transceiving, at least two radio frequency connecting lines 4 are needed for communication.

Specifically, the embodiments of the present invention include: in the case of 5G communication antennas and 5G communication modules, MIMO communication is performed using MIMO communication, the MIMO communication requires two MIMO antennas, and the two MIMO antennas are respectively combined with other antennas by two hybrid combiners 2, so two

rf connection lines

4 and 4 rf connector connectors 3 are also required, as shown in fig. 3, if the embodiment of the present invention includes an FM antenna, a GPS antenna, a 5G antenna (5GMIMO1 antenna and 5GMIMO2 antenna), and a V2X antenna, the FM antenna, the GPS antenna, and the 5GMIMO1 antenna may be combined by using hybrid combiner #1, and the 5GMIMO2 antenna and the V2X antenna may be combined by using hybrid combiner # 2.

Specifically, the DSRC antenna and the DSRC module in the embodiment of the present invention are Dedicated Short Range Communication technology (Dedicated Short Range Communication), which is a technology specially used for realizing electronic toll collection (efc) at toll collection points such as an expressway for motor vehicles in the field of ITS intelligent transportation systems, that is, long-Range RFID radio frequency identification (also called electronic tag E-tag). The adopted frequency bands of 5.795-5.815GHz ISM and a downlink (D-link)500Kbp, 2-AM in China are from the technical Committee of the ISO/TC204 International organization for standardization Intelligent transportation systems (SAC/TC 268, national number); uplink (U-link)250Kbp, 2-PSK.

Specifically, the V2X antenna and the V2X module in the embodiment of the present invention are support technologies for intelligent automobiles and intelligent traffic, and mean Vehicle-to-event, and include various application communication application scenarios such as Vehicle-to-Infrastructure V2V (Vehicle-to-Vehicle), Vehicle-to-Infrastructure V2I (Vehicle-to-Infrastructure), Vehicle-to-Pedestrian V2P (Vehicle-to-peer), Vehicle-to-external Network V2N (Vehicle-to-Network), and the like, and the frequency range specified in china is 5905MHz-5925 MHz.

In a specific embodiment, the embodiments of the present invention may require any combination of functions, and integrate antennas satisfying any functions into one body, and the sequence is not fixed. For example: as shown in fig. 3, vehicle manufacturer or requirement radio reception FM antenna, big dipper location antenna, WIFI antenna, 2G, 3G, 4G antenna are integrated as an organic whole, can require to customize this six unification antennas according to the specification.

In a particular embodiment, the antennas 1 with different functions receive or transmit signals by at least one ultra-wideband antenna.

Specifically, if the vehicle manufacturer requires the antenna 1 to have a radio FM function, a positioning function, a short-range communication function, a long-range communication function, a V2X communication function, a DSRC communication function, or other function integration, one or more of the antennas may be implemented by an ultra-wideband antenna. As shown in fig. 5, the FM antenna may be separately set up, and the other functional antennas (positioning antenna, short-range communication antenna, long-range communication antenna, DSRC antenna) are implemented by one ultra-wideband antenna.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.

Claims

1. An all-in-one antenna, comprising: antennas with different functions, at least one hybrid combiner, at least two radio frequency connector connectors, at least one radio frequency connecting line, at least one hybrid splitter, and antenna modules with different functions,

at least two antennas with different functions are combined by a hybrid combiner and then sequentially connected with a hybrid splitter through a radio frequency connector joint and a radio frequency connecting wire, and the hybrid splitter divides the combined antennas and then connects the combined antennas with corresponding antenna modules.

2. The all-in-one antenna according to claim 1, further comprising:

and the antenna with different functions and the hybrid combiner are arranged in the antenna shell.

3. The all-in-one antenna according to claim 1, further comprising:

the antenna module with different functions and the hybrid splitter are arranged in the host shell.

4. The all-in-one antenna according to claim 1, wherein the antennas with different functions comprise: any of a plurality of combinations of a radio antenna, a positioning antenna, a short range communication antenna, a long range communication antenna, a DSRC antenna, and a V2X antenna.

5. The all-in-one antenna according to claim 1, wherein the antenna modules having different functions comprise: any combination of a radio module, a positioning module, a short-range communication module, a long-range communication module, a DSRC module, and a V2X module.

6. The all-in-one antenna according to claim 4, wherein the antennas with different functions receive or transmit signals by at least one ultra-wideband antenna.

7. The all-in-one antenna according to claim 4, wherein when the long-range communication antenna is a 5G communication antenna and the long-range communication module is a 5G communication module, the number of the hybrid combiners is at least two, and two MIMO of the 5G communication are combined with other antennas through different hybrid combiners.