CN216162807U - Antenna integrated central access equipment for wireless communication system - Google Patents
Antenna integrated central access equipment for wireless communication system Download PDFInfo
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- CN216162807U CN216162807U CN202122155421.XU CN202122155421U CN216162807U CN 216162807 U CN216162807 U CN 216162807U CN 202122155421 U CN202122155421 U CN 202122155421U CN 216162807 U CN216162807 U CN 216162807U
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Abstract
The utility model discloses an antenna integrated center access device used in a wireless communication system, which comprises: the antenna comprises a main board, a radio frequency baffle and an antenna module; the main board includes: the system comprises a baseband unit, a radio frequency unit and a satellite navigation module; the antenna module includes: a 5G antenna unit, a satellite navigation antenna unit; the radio frequency baffle is arranged between the mainboard and the antenna module and isolates the mainboard and the antenna module so as to reduce mutual interference of electromagnetic fields between the antenna module and the mainboard; the radio frequency unit is connected with the 5G antenna unit through a radio frequency feeder; the satellite navigation module is connected with the satellite navigation antenna unit through a radio frequency feeder. According to the utility model, the main board is isolated from the antenna module through the radio frequency baffle plate, so that the electromagnetic interference between the antenna module and the main board can be effectively reduced.
Description
Technical Field
The utility model belongs to the technical field of wireless communication, and particularly relates to antenna integrated center access equipment.
Background
An antenna integrated center access device for realizing 5G wireless communication is used as a communication base station in an outdoor wireless communication network deployment, is matched with terminal devices such as mobile phones, routers and the like to realize communication between two points, and can be particularly used in outdoor video monitoring, car networking, industrial interconnection and other scenes. An integrated central access device in the prior art includes, as shown in fig. 1, a baseband unit, a radio frequency unit, an antenna unit, and a satellite navigation module, which are externally connected to a satellite navigation antenna.
The satellite navigation module unit is compatible with a GPS and a Beidou system at the same time, and provides accurate geographic position, vehicle running speed and accurate time information; the main board is simultaneously provided with a GPS module and a Beidou module which are connected with a satellite navigation antenna through a radio frequency feeder. Can carry out automatic switch-over at GPS and beidou system. The shielding case is used for shielding electromagnetic fields of the baseband unit and the radio frequency unit from external interference and interference, the shielding case needs professional simulation design, and the requirements on factory processes are high.
The antenna integrated central access equipment in the prior art has the following defects:
1. electromagnetic fields among the baseband unit, the radio frequency unit and the antenna interfere with each other, shielding is needed by a shielding case, the shielding case needs professional simulation design, the cost is increased, and the structure is complex;
2. the integrated satellite navigation antenna is not arranged, the external installation is realized, the exposed radio frequency connector needs to be additionally subjected to protection treatment, oxidation and corrosion prevention treatment, and the installation requirement is higher.
Disclosure of Invention
In view of this, the present invention provides an antenna integrated center access device for use in a wireless communication system, which employs a built-in satellite navigation antenna to prevent oxidation and corrosion of an exposed radio frequency connector, and uses a radio frequency isolation baffle structure to isolate a motherboard from an antenna, thereby effectively reducing mutual interference between electromagnetic fields between a baseband and a radio frequency unit of the motherboard and the antenna.
An antenna-integrated central access device for use in a wireless communication system, comprising: the antenna comprises a main board, a radio frequency baffle and an antenna module;
the main board includes: the system comprises a baseband unit, a radio frequency unit and a satellite navigation module;
the antenna module includes: a 5G antenna unit, a satellite navigation antenna unit;
the radio frequency baffle is arranged between the mainboard and the antenna module and isolates the mainboard and the antenna module so as to reduce mutual interference of electromagnetic fields between the antenna module and the mainboard;
the radio frequency unit is connected with the 5G antenna unit through a radio frequency feeder; the satellite navigation module is connected with the satellite navigation antenna unit through a radio frequency feeder.
The 5G antenna unit comprises an antenna reflection aluminum plate and an antenna oscillator; the antenna reflector aluminum plate is fixed on the antenna framework;
the satellite navigation antenna is fixed on the top end of the antenna reflection aluminum plate.
The main board is fixed on the antenna framework close to the bottom cover, and the radio frequency baffle is arranged between the main board and the antenna module and fixed on the antenna framework to separate the main board and the antenna module;
the radio frequency baffle is made of aluminum alloy.
The radio frequency feeder is tightly attached to the antenna back plate, and is connected to the 5G antenna connection base and the satellite navigation antenna connection base of the main board after passing through the hole of the radio frequency baffle.
The baseband unit and the radio frequency unit are tightly attached to the antenna reflection aluminum plate, and heat dissipation is carried out through the antenna reflection aluminum plate.
Compared with the closest prior art, the technical scheme provided by the utility model has the following beneficial effects:
1. the built-in satellite navigation antenna is adopted to replace the external arrangement of the existing satellite navigation antenna, so that the oxidation and corrosion of the exposed radio frequency connector are not considered, and additional protection treatment is not needed;
2. the radio frequency isolation baffle structure is used for isolating the main board and the antenna, and the internal cavity is divided into two parts, so that mutual interference of electromagnetic fields between the base band of the antenna and the main board and the radio frequency unit is reduced;
3. the baseband unit and the radio frequency unit with large heat productivity of the main board of the equipment are tightly attached to the antenna reflection aluminum plate, and the antenna reflection aluminum plate is used for heat dissipation, so that high-performance stable work can be kept in a severe industrial environment;
4. the device is internally provided with a GPS, a Beidou module and a satellite navigation antenna, and simultaneously supports a GPS and a Beidou satellite navigation system, and has the advantages of simple structure, convenient installation and low cost.
For the purposes of the foregoing and related ends, the one or more embodiments include the features hereinafter fully described and particularly pointed out in the claims. The following description and the annexed drawings set forth in detail certain illustrative aspects and are indicative of but a few of the various ways in which the principles of the various embodiments may be employed. Other benefits and novel features will become apparent from the following detailed description when considered in conjunction with the drawings and the disclosed embodiments are intended to include all such aspects and their equivalents.
Drawings
FIG. 1 is a prior art architecture diagram of an integrated central access facility system;
FIG. 2 is a system architecture diagram of an integrated central access facility provided by an embodiment;
fig. 3 is an internal structure diagram of an integrated central access device provided by the embodiment;
FIG. 4a is a front view of the internal structure of the integrated central access device provided by the embodiment;
FIG. 4b is a side view of the internal structure of the integrated central access device provided by the embodiment;
fig. 5 is an external view schematic diagram of an integrated central access device provided by the embodiment.
Detailed Description
The detailed features and advantages of the present invention are described in detail in the following embodiments, which are sufficient for those skilled in the art to understand the technical contents of the present invention and to implement the present invention, and the related objects and advantages of the present invention can be easily understood by those skilled in the art from the disclosure, the protection scope and the drawings of the present specification. The following examples are intended to illustrate the aspects of the present invention in further detail, but are not intended to limit the scope of the present invention in any way.
Examples
The embodiment provides an antenna integrated center access device, as shown in fig. 2, the device includes a main board 10, a radio frequency baffle 20, and an antenna module 30:
the main board 10 includes: the system comprises a baseband unit 11, a radio frequency unit 12 and a satellite navigation module 13;
the baseband unit 11 and the radio frequency unit 12 perform digital signal processing on the transmission and reception signals, specifically:
the baseband unit 11 is responsible for processing the baseband digital signal; the baseband unit receives the signal sent by the radio frequency unit 12, the baseband unit and the radio frequency unit are in transceiving bidirectional communication, and the baseband unit performs digital processing such as analog-to-digital conversion, information source coding, encryption, channel coding, IQ modulation and the like on the received signal and then sends the signal to the radio frequency unit for processing; or the signal sent by the radio frequency unit is subjected to digital processing such as IQ demodulation, channel decoding, decryption, source decoding and the like;
optionally, the baseband unit in this embodiment is a core-a 9 dual-core processor, and is responsible for performing digital processing such as encoding, encryption, and modulation on information or interactive data input by external devices such as voice and internet access through a baseband communication protocol, performing processing such as frequency modulation, signal amplification, and filtering by the radio frequency unit 12, transmitting a radio frequency signal through the antenna port, and transmitting the radio frequency signal to a remote location through the antenna unit.
Further, the antenna module 30 includes: a 5G antenna unit 31, a satellite navigation antenna unit 32;
the radio frequency baffle 20 is arranged between the main board 10 and the antenna module 30 to isolate the main board and the antenna module, so as to reduce mutual interference of electromagnetic fields between the antenna module and the main board;
the radio frequency unit 12 is connected with the 5G antenna unit 31 through a radio frequency feeder; the satellite navigation module 13 is connected to the satellite navigation antenna unit 32 through a radio frequency feeder.
As shown in fig. 3, the 5G antenna unit 31 includes an antenna reflection aluminum plate 311, an antenna element 312; the antenna reflector aluminum plate is fixed on the antenna framework 313; the satellite navigation antenna 32 is fixed on the top of the antenna reflection aluminum plate 311.
Different from the mode that the satellite navigation antenna is externally arranged in the prior art, the satellite navigation antenna in the embodiment is internally arranged at the top end of the equipment cavity; specifically, the satellite navigation antenna 32 is fixed at the top end of an antenna reflection aluminum plate and is connected with the GPS and Beidou modules on the main board through a radio frequency feeder; the radio frequency feeder line is tightly attached to the antenna back plate, passes through the small hole of the radio frequency baffle plate and then is connected to the SMA seat of the main board to communicate the GPS and Beidou modules on the main board with the satellite navigation antenna.
The antenna-integrated central access device further comprises a bottom cover 40,
the main board 10 is fixed on the antenna framework 313 close to the bottom cover 40, the radio frequency baffle 20 is fixed on the antenna framework 313, the main board and the antenna module are separated between the main board 10 and the antenna module 30, and the radio frequency baffle 20 divides the sleeve cavity into two parts;
the radio frequency baffle 20 is made of aluminum alloy; the radio frequency baffle 20 is provided with a plurality of holes 21 for passing through radio frequency feeder lines;
the radio frequency feeder is tightly attached to the antenna back plate, passes through the hole 21 of the radio frequency baffle 20 and then is connected to the 5G antenna connection base and the satellite navigation antenna connection base of the main board.
The baseband unit 11 and the radio frequency unit 12 are tightly attached to the antenna reflection aluminum plate 311, and heat dissipation is performed through the antenna reflection aluminum plate 311, so that the equipment is ensured to keep high-performance stable operation in a severe industrial environment;
specifically, baseband unit, radio frequency unit, GPS and big dipper modular unit are all integrated on the pcb mainboard, and the mainboard passes through the fix with screw on antenna skeleton's aluminum plate, bottom to the position between the radio frequency baffle, as shown in fig. 4, wherein the mainboard has the one side of radio frequency unit and baseband unit to face aluminum plate, hugs closely aluminum plate heat dissipation, and the radio frequency heat dissipation region is the radio frequency unit installation region promptly, and baseband unit installs in the baseband heat dissipation region.
The bottom cover 40 is used for supporting and sealing, the antenna main body (the antenna back plate, the antenna framework, the antenna oscillator and the reflecting plate) is tightly locked on the bottom cover 40 through screws and then pushed into the cavity, and then the antenna main body is sealed by gluing, and the antenna integrated central equipment is assembled, as shown in fig. 5.
The antenna integrated center access device provided by the embodiment is applied to the ultra-high-speed wireless local area network EUHT-5G technology provided by a new shore line, and can realize wireless communication with low power consumption, strong anti-interference capability, large bandwidth, high concurrency and low delay.
The above-described embodiments are merely preferred examples of the present invention, and not intended to limit the scope of the utility model, so that equivalent changes or modifications in the structure, features and principles of the utility model described in the claims should be included in the claims.
Claims (5)
1. An antenna-integrated central access device for use in a wireless communication system, comprising: the antenna comprises a main board, a radio frequency baffle and an antenna module;
the main board includes: the system comprises a baseband unit, a radio frequency unit and a satellite navigation module;
the antenna module includes: a 5G antenna unit, a satellite navigation antenna unit;
the radio frequency baffle is arranged between the mainboard and the antenna module and isolates the mainboard and the antenna module so as to reduce mutual interference of electromagnetic fields between the antenna module and the mainboard;
the radio frequency unit is connected with the 5G antenna unit through a radio frequency feeder; the satellite navigation module is connected with the satellite navigation antenna unit through a radio frequency feeder.
2. The antenna-integrated central access device of claim 1,
the 5G antenna unit comprises an antenna reflection aluminum plate and an antenna oscillator; the antenna reflector aluminum plate is fixed on the antenna framework;
the satellite navigation antenna is fixed on the top end of the antenna reflection aluminum plate.
3. The antenna-integrated central access device of claim 2,
the main board is fixed on the antenna framework close to the bottom cover, and the radio frequency baffle is arranged between the main board and the antenna module and fixed on the antenna framework to separate the main board and the antenna module;
the radio frequency baffle is made of aluminum alloy.
4. The antenna-integrated central access device of claim 3,
the radio frequency feeder is tightly attached to the antenna back plate, and is connected to the 5G antenna connection base and the satellite navigation antenna connection base of the main board after passing through the hole of the radio frequency baffle.
5. The antenna-integrated central access device of claim 1,
the baseband unit and the radio frequency unit are tightly attached to the antenna reflection aluminum plate, and heat dissipation is carried out through the antenna reflection aluminum plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122155421.XU CN216162807U (en) | 2021-09-06 | 2021-09-06 | Antenna integrated central access equipment for wireless communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122155421.XU CN216162807U (en) | 2021-09-06 | 2021-09-06 | Antenna integrated central access equipment for wireless communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216162807U true CN216162807U (en) | 2022-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122155421.XU Active CN216162807U (en) | 2021-09-06 | 2021-09-06 | Antenna integrated central access equipment for wireless communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216162807U (en) |
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2021
- 2021-09-06 CN CN202122155421.XU patent/CN216162807U/en active Active
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