CN214756301U - Mesh networking of multi-frequency network bridge - Google Patents
Mesh networking of multi-frequency network bridge Download PDFInfo
- Publication number
- CN214756301U CN214756301U CN202120940398.2U CN202120940398U CN214756301U CN 214756301 U CN214756301 U CN 214756301U CN 202120940398 U CN202120940398 U CN 202120940398U CN 214756301 U CN214756301 U CN 214756301U
- Authority
- CN
- China
- Prior art keywords
- circuit
- frequency
- receiving
- transmission
- wireless radio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model discloses a mesh network deployment of multifrequency bridge, include: the wireless radio frequency transceiver comprises a receiving circuit, a transmitting circuit and a local oscillator circuit, different wireless radio frequency transceivers respectively adopt a 5.2GHz wireless radio frequency transceiver, a 5.8GHz wireless radio frequency transceiver and a wifi wireless radio frequency transceiver, and the main control logic circuit comprises a main control chip. The utility model discloses an independent three wireless radio frequency transceiver is received and is launched the signal of different bandwidth to this loss that reduces the bandwidth, consequently can regard as the relay point of multiple spot transmission in long distance transmission, thereby form the network deployment, realize the algorithm jump of intelligence mesh, when arbitrary one node breaks down or breaks away from the link, can rebuild the network fast, avoids appearing the paralytic condition of network.
Description
Technical Field
The utility model relates to a data transmission technical field especially relates to a mesh network deployment of multifrequency network bridge.
Background
The main role of a wireless bridge is to connect a plurality of mutually independent networks, which belong to a wireless transmission device. With the development of computer networks, wireless bridge technology is widely applied in the field of communications. The wireless bridge technology can exert advantages in places with bad terrain and unfavorable stringing. The wireless bridge technology is popular with construction units due to the advantages of flexible installation, short construction period, economy and reliability, and particularly, an ad hoc network system with a high-speed network and multipoint connection can be built in certain fixed-point installation scenes such as tunnels, highways and the like, so that convenient and high-speed broadband experience is provided for scenes which are difficult to cover by a public network.
At present, the wireless network bridge can be used for wireless data acquisition, wireless data transmission, outdoor wireless signal coverage, outdoor remote wireless bridging and the like, and is widely applied to the fields of smart cities, intelligent transportation, security monitoring, vehicle monitoring, smart home and the like. With the coming of the 5G era, the application advantages of the wireless network bridge are more obvious due to the characteristics of multiple functions, easiness in construction and the like, and the application proportion is continuously increased in the future. However, the traditional wireless bridge technology has a single relay function, has a high requirement on the transmission bandwidth of equipment, generally can only realize networking in a chain or star structure, and lacks a corresponding mechanism in the aspects of self-healing and survivability, so that when a middle node fails or is disconnected, a network cannot be rebuilt.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide a mesh network deployment of multifrequency bridge.
The technical scheme of the utility model as follows: there is provided a mesh networking of a multi-frequency bridge, comprising: the power supply module is connected with the power supply voltage stabilizing module, the power supply module is connected with a DC12V power supply, the master control logic circuit is connected with the voice gateway and the wireless radio frequency transceiver, the wireless radio frequency transceiver comprises a receiving circuit, a transmitting circuit and a local oscillator circuit, the receiving circuit and the transmitting circuit are respectively connected with the local oscillator circuit, different wireless radio frequency transceivers respectively adopt a 5.2GHz wireless radio frequency transceiver, a 5.8GHz wireless radio frequency transceiver and a wifi wireless radio frequency transceiver, and the master control logic circuit comprises a master control chip.
Further, the receiving circuit includes: the receiving antenna switch is connected with one end of the receiving antenna and one end of the filter, the low noise amplifier is connected with the other end of the filter and the input end of the receiving demodulator, the receiving frequency division circuit is connected with the input end of the receiving demodulator and the local oscillation circuit, and the output end of the receiving demodulator is connected with the main control chip.
Further, the transmission circuit includes: transmitting antenna, transmitting antenna switch, transmitting mutual-inductor, power amplifier, power controller, transmission modulator, transmission phase discriminator, transmission modulator, transmission voltage controlled oscillator and transmission frequency division circuit, the transmitting antenna switch is connected with transmitting antenna, power amplifier and transmitting mutual-inductor, power controller is connected with transmitting mutual-inductor and power amplifier, power amplifier is connected with transmitting mutual-inductor and transmission voltage controlled oscillator, the transmission frequency division circuit is connected with local oscillator circuit and transmission modulator, the transmission modulator is connected with transmission phase discriminator and main control chip, the transmission phase discriminator is connected with transmission voltage controlled oscillator and local oscillator circuit, the transmission frequency sampling signal transmission of the output of transmission voltage controlled oscillator gives transmitting phase discriminator and local oscillator circuit.
Further, the local oscillation circuit includes: the frequency synthesis integrated block is connected with the first receiving frequency synthesizer and the second receiving frequency synthesizer, the first receiving frequency synthesizer is connected with the receiving circuit, the second receiving frequency synthesizer is connected with the transmitting circuit, the output end of the first receiving frequency synthesizer carries out first local oscillation frequency sampling from the frequency synthesis integrated block, and the output end of the second receiving frequency synthesizer carries out second local oscillation frequency sampling from the frequency synthesis integrated block.
Furthermore, a communication indicator light is arranged on the wireless radio frequency transceiver.
Further, the model of the main control chip is STM32F 103.
Adopt above-mentioned scheme, the utility model discloses an independent three wireless radio frequency transceiver is received and is launched the signal of different bandwidths to this loss that reduces the bandwidth, consequently can regard as the relay point of multiple spot transmission in long distance transmission, thereby form the network deployment, realize the algorithm jump of intelligence mesh, when arbitrary one node breaks down or breaks down, can rebuild the network fast, avoids appearing the paralytic condition of network.
Drawings
Fig. 1 is a schematic diagram of the circuit connection of the present invention.
Fig. 2 is a circuit connection diagram of the receiving circuit.
Fig. 3 is a circuit connection diagram of the transmitting circuit.
Fig. 4 is a circuit connection diagram of the local oscillation circuit.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the present invention provides a mesh networking of a multi-frequency network bridge, including: the system comprises a power supply module, a power supply voltage stabilizing module, a main control logic circuit, a voice gateway and a plurality of wireless radio frequency transceivers. The power supply module is connected with the power supply voltage stabilizing module, the power supply module is connected with a DC12V power supply, and the main control logic circuit is connected with the voice gateway and the wireless radio frequency transceiver. The wireless radio frequency transceiver comprises a receiving circuit, a transmitting circuit and a local oscillator circuit. The receiving circuit and the transmitting circuit are respectively connected with the local oscillator circuit. The different wireless radio frequency transceivers respectively adopt a 5.2GHz wireless radio frequency transceiver, a 5.8GHz wireless radio frequency transceiver and a wifi wireless radio frequency transceiver. The master control logic circuit comprises a master control chip. In this embodiment, the utility model discloses an independent three wireless radio frequency transceiver receives and launches the signal of different bandwidths to this loss that reduces the bandwidth, consequently can regard as the relay point of multiple spot transmission in long distance transmission, and avoid taking place because of the condition of partial node trouble or unable network of rebuilding when disconnected.
Referring to fig. 2, the receiving circuit includes: the receiving antenna, the receiving antenna switch, the filter, the low noise amplifier, the receiving demodulator and the receiving frequency dividing circuit. The receiving antenna switch is connected with the receiving antenna and one end of the filter. The low noise amplifier is connected with the other end of the filter and the input end of the receiving demodulator. The receiving frequency division circuit is connected with the input end of the receiving demodulator and the local oscillation circuit. And the output end of the receiving demodulator is connected with the main control chip. When receiving signals, the receiving antenna converts the received electromagnetic waves into weak alternating current signals, and after filtering and amplification, the weak alternating current signals are sent to a receiving demodulator for demodulation to obtain receiving baseband information (RXI-P, RXI-N, RXQ-P, RXQ-N) and sent to a main control logic circuit for processing.
Referring to fig. 3, the transmitting circuit includes: the device comprises a transmitting antenna, a transmitting antenna switch, a transmitting mutual inductor, a power amplifier, a power controller, a transmitting modulator, a transmitting phase discriminator, a transmitting modulator, a transmitting voltage-controlled oscillator and a transmitting frequency division circuit. The transmitting antenna switch is connected with the transmitting antenna, the power amplifier and the transmitting mutual inductor, the power controller is connected with the transmitting mutual inductor and the power amplifier, and the power amplifier is connected with the transmitting mutual inductor and the transmitting voltage-controlled oscillator. The transmitting frequency division circuit is connected with the local oscillator circuit and the transmitting modulator, and the transmitting modulator is connected with the transmitting phase discriminator and the main control chip. And the transmitting phase discriminator is connected with the transmitting voltage-controlled oscillator and the local oscillator circuit. And the transmitting frequency sampling signal at the output end of the transmitting voltage-controlled oscillator is transmitted to the transmitting phase discriminator and the local oscillator circuit. During transmission, the main control chip sends the processed transmission frenulum information to the transmission modulator to be modulated and processed into a transmission intermediate frequency signal, and the transmission intermediate frequency signal is converted into a frequency signal corresponding to a 5.2GHz wireless radio frequency transceiver, a 5.8GHz wireless radio frequency transceiver and a wifi wireless radio frequency transceiver in frequency by using the transmission voltage-controlled oscillator. Then the signal is amplified by a power amplifier and is converted into electromagnetic wave by a transmitting antenna to be radiated.
Referring to fig. 4, the local oscillation circuit includes: the frequency synthesis integrated block comprises a frequency synthesis integrated block, a first receiving frequency synthesizer and a second receiving frequency synthesizer. The frequency synthesis integrated block is connected with the first receiving frequency synthesizer and the second receiving frequency synthesizer. The first receiving frequency synthesizer is connected with the receiving circuit, and the second receiving frequency synthesizer is connected with the transmitting circuit. And the output end of the first receiving frequency synthesizer is used for sampling a first local oscillation frequency from the frequency synthesis integrated block, and the output end of the second receiving frequency synthesizer is used for sampling a second local oscillation frequency from the frequency synthesis integrated block. The local oscillator circuit generates four local oscillator frequency signals (GSM-RX; GSM-TX; DCS-RX; DCS-TX) without any information, and the local oscillator frequency signals are sent to the receiving demodulator through the first receiving frequency synthesizer so as to demodulate the received signals. Or the local oscillation frequency signal is sent to the transmitting voltage-controlled oscillator through the second receiving frequency synthesizer, and the transmitting baseband information is modulated and transmitted for phase discrimination.
The wireless radio frequency transceiver is provided with the communication indicating lamp, and the working state of the wireless radio frequency transceiver can be known through the communication indicating lamp, so that the troubleshooting efficiency is improved, and the network bridge is convenient to maintain and repair.
The model of main control chip is STM32F103, and this chip integration Timer, CAN, ADC, SPI, I2C, USB, multiple peripheral functions such as UART CAN satisfy different expansion demands, strengthens the commonality of network deployment.
To sum up, the utility model discloses an independent three wireless radio frequency transceiver receives and launches the signal of different bandwidths to this loss that reduces the bandwidth, consequently can regard as the relay point of multiple spot transmission in long distance transmission, thereby form the network deployment, realize the algorithm jump of intelligence mesh, when arbitrary one node breaks down or breaks down, can rebuild the network fast, avoids appearing the paralytic condition of network.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A mesh networking of a multi-frequency network bridge, comprising: the power supply module is connected with the power supply voltage stabilizing module, the power supply module is connected with a DC12V power supply, the master control logic circuit is connected with the voice gateway and the wireless radio frequency transceiver, the wireless radio frequency transceiver comprises a receiving circuit, a transmitting circuit and a local oscillator circuit, the receiving circuit and the transmitting circuit are respectively connected with the local oscillator circuit, different wireless radio frequency transceivers respectively adopt a 5.2GHz wireless radio frequency transceiver, a 5.8GHz wireless radio frequency transceiver and a wifi wireless radio frequency transceiver, and the master control logic circuit comprises a master control chip.
2. The mesh networking of multi-frequency bridges of claim 1, wherein the receive circuit comprises: the receiving antenna switch is connected with one end of the receiving antenna and one end of the filter, the low noise amplifier is connected with the other end of the filter and the input end of the receiving demodulator, the receiving frequency division circuit is connected with the input end of the receiving demodulator and the local oscillation circuit, and the output end of the receiving demodulator is connected with the main control chip.
3. The mesh networking of multi-frequency bridges of claim 1, wherein said transmit circuit comprises: transmitting antenna, transmitting antenna switch, transmitting mutual-inductor, power amplifier, power controller, transmission modulator, transmission phase discriminator, transmission modulator, transmission voltage controlled oscillator and transmission frequency division circuit, the transmitting antenna switch is connected with transmitting antenna, power amplifier and transmitting mutual-inductor, power controller is connected with transmitting mutual-inductor and power amplifier, power amplifier is connected with transmitting mutual-inductor and transmission voltage controlled oscillator, the transmission frequency division circuit is connected with local oscillator circuit and transmission modulator, the transmission modulator is connected with transmission phase discriminator and main control chip, the transmission phase discriminator is connected with transmission voltage controlled oscillator and local oscillator circuit, the transmission frequency sampling signal transmission of the output of transmission voltage controlled oscillator gives transmitting phase discriminator and local oscillator circuit.
4. The mesh networking of multi-frequency network bridge of claim 1, wherein the local oscillator circuit comprises: the frequency synthesis integrated block is connected with the first receiving frequency synthesizer and the second receiving frequency synthesizer, the first receiving frequency synthesizer is connected with the receiving circuit, the second receiving frequency synthesizer is connected with the transmitting circuit, the output end of the first receiving frequency synthesizer carries out first local oscillation frequency sampling from the frequency synthesis integrated block, and the output end of the second receiving frequency synthesizer carries out second local oscillation frequency sampling from the frequency synthesis integrated block.
5. The mesh networking of multi-frequency bridges of claim 1, wherein said wireless radio transceivers are equipped with communication indicator lights.
6. The mesh networking of multi-frequency bridges of claim 1, wherein the model of the master chip is STM32F 103.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120940398.2U CN214756301U (en) | 2021-04-30 | 2021-04-30 | Mesh networking of multi-frequency network bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120940398.2U CN214756301U (en) | 2021-04-30 | 2021-04-30 | Mesh networking of multi-frequency network bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214756301U true CN214756301U (en) | 2021-11-16 |
Family
ID=78616231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120940398.2U Active CN214756301U (en) | 2021-04-30 | 2021-04-30 | Mesh networking of multi-frequency network bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214756301U (en) |
-
2021
- 2021-04-30 CN CN202120940398.2U patent/CN214756301U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108847891B (en) | Radio over fiber distributed small base station system | |
| CN100392991C (en) | Radio communication method and system for performing communication among a plurality of radio communication terminals | |
| CN103401613B (en) | A kind of Techniques Used in Digital Microwave Transmission device and method | |
| CN107872250B (en) | A kind of communication module and its communication means that electric system public affairs private network is general | |
| CN105610449A (en) | Dual-mode radio frequency transceiving architecture | |
| CN106384496A (en) | Power consumption information acquisition device and system | |
| CN101521962B (en) | System for generating single side band high-frequency optical fiber millimeter wave and reusing wavelength | |
| CN103731197A (en) | Energy transmission supported wireless communication device and method | |
| CN113163518A (en) | Wireless communication system for multi-information fusion acquisition robot | |
| CN106162945A (en) | Honeycomb base station device and data transmission method, communication equipment and communication system | |
| CN102496299A (en) | Bus subsystem based on RFID (radio frequency identification) technology and GPRS (General Packet Radio Service) technology | |
| CN102970773A (en) | Mesh wireless network communication module | |
| CN214756301U (en) | Mesh networking of multi-frequency network bridge | |
| CN106100685B (en) | Power switching device based on low-power-consumption Bluetooth technology | |
| CN111917849A (en) | Internet of things transmission method based on Zigbee and NB-IoT fusion networking | |
| CN101944956A (en) | Fiber access system and method of wireless signal based on tri-network integration | |
| JP2013207319A (en) | Radio device and switching method of base station in the same | |
| CN112311420B (en) | Single-standard dual-mode communication data frame configuration method, transceiving equipment and communication system | |
| CN216016858U (en) | Radio frequency module for WiFi wireless ad hoc network | |
| Casademont et al. | Wake-Up Radio Systems for Cooperative-Intelligent Transport Systems Architecture | |
| CN208174680U (en) | A kind of interconnection plane NB-IOT module | |
| CN206922745U (en) | A kind of remote-controlled shortwave duplex communication system | |
| CN201904922U (en) | Digital frequency shift companding system | |
| CN201846431U (en) | Wireless audio and video transmission system | |
| CN102106128A (en) | Modulation of a carrier radio signal by a mobile terminal in a wireless telecommunications network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |