Intelligent building multi-network integration novel all-optical network system and operation method thereof

Abstract

The invention relates to a smart building multi-network integration novel all-optical network system and an operation method thereof, which adopt the technologies of photoelectric conversion, radio frequency amplification, duplex, POE and the like, and are combined with a GPON network technology to construct a GPON network and wireless network integration novel radio frequency optical fiber remote system and application. According to the system disclosed by the invention, wireless radio frequency signal coverage in the building is solved, and networking requirements of intelligent equipment such as video monitoring, wireless WIFI, an access control system, an Internet of Things gateway and the like in the building can be simultaneously met in combination with the GPON network, so that the hybrid networking capability of the intelligent Internet of Things system of the intelligent building is expanded, and the intelligent building intelligent Internet of Things system is improved. The same design, same construction and same maintenance of a plurality of indoor networks of a building are promoted, and the intelligent connection service bearing capacity of a traditional wireless radio frequency optical fiber remote system is improved.

Description

Technical Field

[0001] The present invention relates to the fields of optical communication technology and wireless communication technology, and in particular to a novel all-optical network system for multi-network integration of smart buildings and an operation method thereof. Background Art

[0002] With the development of smart buildings, more and more devices and applications require high-bandwidth connections, such as high-definition video surveillance, virtual reality, and IoT devices. The traditional building communication network construction model can no longer meet the needs of smart building development and has many problems: 1. Complex wiring: Traditional building communication networks, including wireless communication networks and Ethernet, usually require a large amount of copper wire cable wiring, a three-layer network architecture, a large number of network element devices, complex construction, and occupy a large space in the weak current room and bridge. They are easily oxidized (lifespan is about 8-10 years) and have poor anti-electromagnetic interference capabilities. When upgrading, they need to be rewired, and the transformation cost is high.

[0003] 2. Uneven signal coverage: In large buildings, wireless signal coverage is often uneven due to signal attenuation and interference.

[0004] 3. Limited scalability: Traditional communication networks have poor scalability and are unable to meet growing business needs.

[0005] 4. Poor compatibility among multiple networks: Mobile wireless networks, intelligent networks, office networks, building Internet of Things and other network elements are isolated from each other and constructed in batches and phases, resulting in duplicate investment and waste of resources. Summary of the Invention

[0006] In view of this, the purpose of the present invention is to provide a new all-optical network system for smart building multi-network integration and its operation method, which can meet the transmission needs of building communication networks for large data traffic. The wireless radio frequency fiber optic remote system can extend mobile phone wireless signals to every corner of the building, providing stable wireless mobile phone signal coverage. By integrating different communication technologies, the respective advantages can be fully utilized to improve the performance and reliability of the communication system. The integration of GPON network and wireless radio frequency fiber optic remote system can realize the integration of wired and wireless communications, providing a more comprehensive solution for building communication networks.

[0007] To achieve the above-mentioned object, the present invention adopts the following technical solution: a novel all-optical network system for multi-network integration of smart buildings, comprising a near-end host unit R-OLT (1) and a slave remote unit R-ONU (2), wherein the near-end host unit R-OLT (1) and the slave remote unit R-ONU (2) are electrically and optically connected, wherein the near-end host unit R-OLT (1) is equipped with a 1:N optical splitter for optical splitting at a PON port; The near-end host unit R-OLT (1) comprises a radio frequency transceiver module (3), a radio frequency combining module (4), a photoelectric coupling module (5), a light emitting module (6), a light receiving module (7), an optical path mixing module (8), a switching power supply module (9), an OLT module (10) and an uplink optical module (11); the radio frequency transceiver module (3), the radio frequency combining module (4) and the photoelectric coupling module (5) are electrically connected in sequence; the light emitting module (6) and the light receiving module (7) are arranged in parallel to form an optical module; the photoelectric coupling module (5), the optical module and the optical path mixing module (8) are optically connected in sequence; the OLT module (10) and the uplink optical module (11) are connected for data communication; the switching power supply module (9) is electrically connected to the radio frequency combining module (4), the photoelectric coupling module (5), the optical path mixing module (8) and the OLT module (10) respectively; The remote unit R-ONU (2) of the slave machine includes a radio frequency optical module (12), a radio frequency amplifying module (13), a 4 / 5G broadband antenna (14), a 48 / 12V isolated power supply module (15), an ONU module (16) and a POE / LAN port external module (17); the radio frequency optical module (12), the radio frequency amplifying module (13) and the 4 / 5G broadband antenna (14) are electrically connected in sequence; the ONU module (16) and the POE / LAN port external module (17) are connected for data communication; and the 48 / 12V isolated power supply module (15) is electrically connected to the radio frequency optical module (12), the radio frequency amplifying module (13), the ONU module (16) and the POE / LAN port external module (17) respectively.

[0008] In a preferred embodiment: the radio frequency transceiver module (3) is used for signal source access, the access mode supports radio frequency antenna wireless reception or active base station RRU signal source coupling access, the access frequency band includes 800MHz, 900MHz, 1.8GHz, 2.1GHz, 2.3GHz, 2.6GHz and 3.5GHz frequency bands, and the access signal source power range is 0~10dBm±2dB / frequency band; The radio frequency combining module (4) is used for signal source combining and filtering, and mainly integrates the multiple frequency band signals of multiple operators accessed by the radio frequency transceiver module (3), allowing only radio frequency signals of a specific frequency band to pass through, while filtering out radio frequency signals of other frequency bands; and effectively suppressing interference signals from other frequency bands, ensuring the purity of the radio frequency signal and improving communication quality; The photoelectric coupling module (5) is used to realize the conversion between optical signals and electrical signals. When processing downlink radio frequency signals, the electrical signal is coupled into the optical signal, and when processing uplink radio frequency signals, the electrical signal is decoupled from the optical signal, thereby meeting the system's needs for conversion between optical and electrical signals.

[0009] In a preferred embodiment: the optical path hybrid module (8) is used to integrate and process components of optical signals. The optical path hybrid module (8) receives and transmits, and processes both uplink and downlink optical signals, so that the system can achieve bidirectional communication. The corresponding wavelengths used are 1550nm for downlink and 1310nm for uplink, and the corresponding optical power requirements are 0-3dBm for emitting power and -10-20dBm for receiving power. The output configuration can be based on the maximum number of 64 optical signals from the remote unit R-ONU (2). The emitting module (6) / receiving module (7) respectively transmits the downlink optical signal and receives the uplink optical signal processed by the optical path hybrid module (8). The emitting module (6) / receiving module (7) can be configured to emit 64 optical signals and receive 64 optical signals based on the maximum number of the remote unit R-ONU (2).

[0010] In a preferred embodiment, the switching power supply module (9) reduces the input 220VAC AC voltage to an appropriate AC voltage through its internal transformer, converts the reduced AC voltage into DC voltage through a rectifier bridge, and outputs the required 12VDC and 48VDC through a voltage stabilizer after filtering, meeting the power supply needs of the optoelectronic coupling module (5), the optical path hybrid module (8), the OLT module (10) and the N-way 48VDC output. The radio frequency optical module (12) converts radio frequency signals into optical signals, or converts optical signals back into radio frequency signals. In the downlink direction, the optical signal is converted into an electrical signal through a photoelectric converter, and the radio frequency signal is restored through a demodulator. In the uplink direction, the radio frequency signal is modulated and loaded and converted into an optical signal through a modulator and an electro-optical converter. The corresponding wavelengths used are 1550nm for downlink and 1310nm for uplink, respectively. The corresponding optical power requirements are: luminous power: 0-3dBm; and receiving power range: -10~-20dBm.

[0011] In a preferred embodiment, the radio frequency amplification module (13) mainly performs amplification and gain control on the uplink and downlink radio frequency signals so as to effectively cover a larger area or penetrate obstacles, with a gain range of +25~30dB. At the same time, an automatic gain adjustment technology is adopted to automatically adjust the gain of the amplifier according to the real-time signal strength and environmental changes to maintain the stability and quality of signal transmission. The implementation method is to continuously monitor the strength of the input signal through a built-in signal strength indicator, and adjust the gain of the power amplifier through a feedback loop based on the detected signal strength. If the signal is too weak, the gain is increased; if the signal is too strong, the gain is reduced to avoid overload. The overall closed-loop control strategy is adopted, in which signal detection and gain adjustment form a continuous feedback loop to ensure that the gain is always at an optimal level; dynamic range control is supported to ensure that the signal can be transmitted stably even when the signal strength fluctuates greatly. The gain adjustment process is optimized by a PID (proportional integral differential) controller to ensure fast response and minimum adjustment error; and the influence of environmental factors such as temperature changes and humidity are taken into account to ensure stable gain adjustment under various conditions.

[0012] In a preferred embodiment: the 4 / 5G broadband antenna (14) wirelessly transmits the amplified signal, and the operating frequency range supports 800MHz, 900MHz, 1.8GHz, 2.1GHz, 2.3GHz, 2.6GHz and 3.5GHz frequency bands, with an average gain of 3dBi and adopting a vertical polarization mode; The OLT module (10) complies with the ITU-T G.984 series standard protocol and is connected to the front-end core / aggregation layer switch through a 10G uplink optical module (11) and an optical fiber jumper, converting Ethernet electrical signals into the frequency and framing format used by the GPON system, and converting electrical signals into optical signals for transmission, and vice versa; it is interconnected with a 1:N optical splitter through a single optical fiber and is responsible for controlling, managing and ranging the slave remote unit R-ONU (2) at the user end; it also coordinates the multiplexing between multiple ONTs, controls the flow of information on the entire optical distribution network (ODN), including upstream and downstream data transmission, and provides management of the slave remote unit R-ONU (2) connected to it, including user authentication, bandwidth allocation, quality of service (QoS) management, etc., including sending Ethernet data in a broadcast mode to the slave remote unit R-ONU (2), initiating and controlling the ranging process, and allocating bandwidth to the slave remote unit R-ONU (2), etc., and provides network monitoring functions, which can remotely monitor and manage network status, device connections and performance indicators to ensure efficient operation of the network.

[0013] In a preferred embodiment: the ONU module (16) is responsible for converting the optical signal from the PON port of the ROLT into an Ethernet electrical signal, and then providing access to the user-side smart service equipment such as telephone, Internet and TV through the Ethernet interface allocated by the POE / LAN port external (17). It complies with the ITU-T G.984 series standard protocol, supports high-speed data transmission, and can provide a maximum downstream transmission rate of 2.488Gbps and an upstream transmission rate of 1.244Gbps. It can simultaneously carry multiple services, including data, voice (VoIP), video (IPTV), etc., and is isolated and managed through different virtual channels (VPORTs). It supports remote management and monitoring, can be configured and troubleshooted through protocols such as SNMP, and has an energy-saving mode. When it detects that there is no data transmission, it can automatically reduce power consumption and save energy. It also has functions such as data encryption and identity authentication to protect the security of user data.

[0014] In a preferred embodiment: the 48 / 12V isolated power supply module (15) is used to convert the 48VDC input voltage into a 12VDC output voltage, while providing electrical isolation between the input and output, and simultaneously providing 12VDC power supply for the radio frequency optical module (12), the radio frequency amplifier module (13), and the ONU module (16), and also providing POE power supply for the external POE / LAN port (17); The external POE / LAN port (17) is allocated to the user side's telephone, Internet, television and other intelligent business equipment in the form of an Ethernet port of the ONU module (16) and the 48 / 12V isolated power supply module (15), thereby meeting the needs of IP data communication and POE power supply.

[0015] The present invention also provides an operating method for a novel all-optical network system for multi-network integration in smart buildings. The operating method adopts the novel all-optical network system for multi-network integration in smart buildings to implement optical fiber extension and relay amplification of multi-band radio frequency signals, specifically comprising the following operating steps: SA1: Combine 4 / 5G signals from multiple operators, as follows: The radio frequency transceiver module (3) in the near-end host unit R-OLT (1) receives wireless signals via a radio frequency antenna or is coupled with an active base station RRU signal source, and the radio frequency combining module (4) combines and filters the multi-band signals received by the radio frequency transceiver module (3); SA2: Convert the combined RF signals into optical signals and perform optical splitting, as follows: The photoelectric coupling module (5) in the near-end host unit R-OLT (1) couples the radio frequency signal into the optical signal in the downstream direction and decouples the radio frequency signal from the optical signal in the upstream direction, and transmits the downstream optical signal and receives the upstream optical signal respectively through the light emitting module (6) / light receiving module (7), and then integrates and processes the multi-path optical signals through the optical path mixing module (8), thereby realizing the branching, reception and transmission of the multi-path optical signals; SA3: RF optical signal long-distance transmission and photoelectric conversion, as follows: The multi-channel radio frequency optical signal after being branched by the near-end host unit R-OLT (1) is transmitted to the remote slave unit R-ONU (2) via the optical-electrical composite cable in a distributed manner. The radio frequency optical module (12) converts the radio frequency optical signal into an electrical signal in the downlink direction and recovers the radio frequency signal through the demodulator. In the uplink direction, the radio frequency signal is modulated and loaded and converted into an optical signal. SA4: RF signal relay amplification and transmission, as follows: The RF amplifier module (13) in the remote unit R-ONU (2) of the slave device amplifies and gains the uplink and downlink RF signals so that they can effectively cover a larger area or penetrate obstacles. In combination with the automatic gain adjustment technology, it ensures that the RF electrical signal can maintain stable gain adjustment and signal quality under various conditions. Finally, the downlink RF signal is transmitted and the uplink RF signal is received through the 4 / 5G broadband antenna (14).

[0016] The present invention also provides an operating method for a novel all-optical network system for multi-network integration in smart buildings, which uses the novel all-optical network system for multi-network integration in smart buildings to realize GPON network data communication and POE power output, and specifically includes the following operating steps: SB1: Converts Ethernet data into protocol data and formats supported by GPON, and converts electrical signals into optical signals for transmission, as follows: The OLT module (10) in the near-end host unit R-OLT (1) is connected to the front-end core / aggregation layer switch via a 10G uplink optical module (11) and an optical fiber jumper, converting the Ethernet electrical signal into the frequency and framing format used by the GPON system, and converting the electrical signal into an optical signal for transmission, and vice versa; the converted GPON data is transmitted as an optical signal through the PON port; SB2: GPON signal split transmission, optical-to-electrical conversion, and Ethernet data format conversion, as follows: After the optical signal transmitted from the PON port is split by a 1:N optical splitter, it is transmitted to the remote slave unit R-ONU (2) via an optical broadcasting composite cable in a distributed manner. Then, the ONU module (16) converts the optical signal from the PON port of the near-end host unit R-OLT (1) after splitting into an Ethernet electrical signal and a corresponding data format. SB3: 48V isolated power shunt output, details are as follows: The 48 / 12V isolated power supply module (15) in the remote unit R-ONU (2) of the slave stabilizes the 48VDC input voltage and outputs it as needed to the POE / LAN port external module (17) for POE power supply; SB4: Ethernet data communication and POE power supply output, as follows: The external POE / LAN port (17) in the remote unit R-ONU (2) of the slave machine is allocated to the user side's telephone, Internet, TV and other intelligent business equipment access in the form of the Ethernet port of the ONU module (16) and the 48 / 12V isolated power supply module (15), thereby meeting their IP data communication and POE power supply needs.

[0017] Compared with the prior art, the present invention has the following beneficial effects: the present invention uses optical fiber to replace traditional copper wire cables, which greatly reduces the use of copper cables, adopts first-level splitting, has a simple network structure, simplifies wiring, reduces construction costs, and is easy to maintain. It solves the problem of uneven wireless signal coverage in large buildings. The radio frequency optical fiber remote system can transmit the signal to a distant place through optical fiber, and then cover it through a wireless radio frequency unit, thereby improving the coverage range and quality of the signal. It has good scalability. Combined with the GPON network with its high bandwidth capability, it can meet the transmission requirements of the building communication network for large data traffic and the growing business needs. Wireless radio frequency units can be flexibly added as needed to expand the communication coverage range. It has good multi-network integration, realizing the integration of mobile wireless networks, intelligent networks, office networks, building Internet of Things, etc. through a single optical fiber network, multiple networks into one, and hybrid networking, thereby promoting the same design, construction, and maintenance of multiple networks indoors in buildings, avoiding repeated investment and waste of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the device structure of an embodiment of the present invention.

[0019] Figure 2 Schematic diagram of the overall network architecture of an embodiment of the present invention. DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present application belongs.

[0022] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application; as used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form, and it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or their combinations.

[0023] Refer to the instruction manual Figure 1 、 2 This embodiment provides a novel all-optical network system for multi-network integration in smart buildings. This system utilizes optoelectronic conversion, RF amplification, duplexing, and Power over Ethernet (PoE) technologies, combined with GPON network technology, to construct a novel RF fiber-optic remote system and application that integrates GPON and wireless networks. While addressing wireless RF signal coverage within buildings, the system, combined with the GPON network, can simultaneously address the networking needs of intelligent devices within the building, such as video surveillance, wireless Wi-Fi, access control systems, and IoT gateways. This expands the hybrid networking capabilities of smart building IoT systems, facilitates the unified design, construction, and maintenance of multiple indoor networks within a building, and enhances the intelligent connectivity service carrying capacity of traditional wireless RF fiber-optic remote systems.

[0024] In this embodiment, the system comprises a near-end host unit R-OLT (1) on the machine room side of a building and a remote slave unit R-ONU (2) on the nF terminal side; the near-end host unit R-OLT (1); the two wireless radio frequency parts are electrically and optically connected by an optoelectronic composite cable, the length of which does not exceed 300 meters; the intelligent device data communication part is optically connected by a sheathed optical cable through a 1:N optical splitter, and supports a maximum of 1 to 64 master-slave connections; In this embodiment, the near-end host unit R-OLT (1) at the machine room side of the building receives the operator's wireless base station source signal, multi-frequency combination and optoelectronic conversion by wired coupling or wireless reception, and outputs a maximum of 64 radio frequency optical signals; at the same time, it is connected to the core switch by optical fiber jumper or Ethernet cable to communicate with the core switch for intelligent device data, and performs optoelectronic signal conversion between the corresponding data communication electrical signal and optical signal, and outputs multiple GPON optical signals, and then outputs N optical signals to the slave remote unit R-ONU (2) through a 1:N optical splitter; In this embodiment, the nF terminal side slave remote unit R-ONU (2) receives the radio frequency optical signal from the near-end host unit R-OLT (1) through the optical-electrical composite cable, converts the radio frequency optical signal into a radio signal through the optical-electrical conversion, and then transmits it through its internal 4 / 5G broadband antenna; after receiving the GPON optical signal from the near-end host unit R-OLT (1) through the sheathed optical cable, it communicates with the corresponding intelligent devices such as cameras and APs through the Ethernet network port and the network cable after optical-electrical conversion; In this embodiment, the system realizes optical fiber extension and relay amplification of multi-band radio frequency signals, specifically including the following operation steps: the radio frequency transceiver module (3) in the near-end host unit R-OLT (1) receives wirelessly through the radio frequency antenna or couples the active base station RRU signal source, and the radio frequency combining module (4) combines and filters the multi-band signals connected to the radio frequency transceiver module (3); the optoelectronic coupling module (5) in the near-end host unit R-OLT (1) couples the radio frequency signal into the optical signal in the downlink direction, decouples the radio frequency signal from the optical signal in the uplink direction, and transmits the downlink optical signal and receives the uplink optical signal respectively through the light emitting module (6) / light receiving module (7), and then integrates and processes the multi-path optical signals through the optical path mixing module (8), thereby realizing the branching and connection of the multi-path optical signals. Receiving and sending; the multi-channel radio frequency optical signal after the near-end host unit R-OLT (1) is distributed and transmitted to the remote unit R-ONU (2) of the slave machine through the optical-electrical composite cable. The radio frequency optical module (12) converts the radio frequency optical signal into an electrical signal in the downlink direction and recovers the radio frequency signal through the demodulator. In the uplink direction, the radio frequency signal is modulated and loaded and converted into an optical signal; the radio frequency amplifier module (13) in the remote unit R-ONU (2) of the slave machine gains and amplifies the uplink and downlink radio frequency signals so that they can effectively cover a larger area or penetrate obstacles, and combines the automatic gain adjustment technology to ensure that the radio frequency electrical signal can have stable gain adjustment and signal quality under various conditions. Finally, the downlink radio frequency signal is transmitted and the uplink radio frequency signal is received through the 4 / 5G broadband antenna (14); In this embodiment, the system realizes GPON network data communication and POE power supply output, specifically including the following operation steps: the OLT module (10) in the near-end host unit R-OLT (1) is connected to the front-end core / aggregation layer switch through the 10G uplink optical module (11) and the optical fiber jumper, converts the Ethernet electrical signal into the frequency and framing format used by the GPON system, and converts the electrical signal into an optical signal for transmission, and vice versa; the converted GPON data is transmitted as an optical signal through the PON port; the optical signal transmitted from the PON port is split by a 1:N optical splitter, and then is distributed and transmitted to the remote unit R-ONU (2) of the slave machine through the optical broadcasting composite cable, and then the ONU The module (16) converts the optical signal from the PON port of the near-end host unit R-OLT (1) after branching into an Ethernet electrical signal and the corresponding data format; the 48 / 12V isolated power supply module (15) in the remote unit R-ONU (2) stabilizes the 48VDC input voltage and branches it as needed to the POE / LAN port external (17) module for POE power supply; the POE / LAN port external (17) in the remote unit R-ONU (2) of the slave meets its IP data communication and POE power supply needs by allocating the ONU module (16) and the 48 / 12V isolated power supply module (15) to the user's side telephone, Internet, TV and other intelligent business equipment access in the form of Ethernet ports.

[0025] In this embodiment, the near-end host unit R-OLT (1) accesses the operator's signal source, and the access frequency band includes 800MHz, 900MHz, 1.8GHz, 2.1GHz, 2.3GHz, 2.6GHz, 3.5GHz and other current operators' commercial mainstream network frequency bands, and the access signal source power range is 0~10dBm±2dB / band;.

[0026] In this embodiment, the wavelengths used for optical fiber communication in the system are 1550nm for downlink and 1310nm for uplink, and the corresponding optical power requirements are: 0-3dBm for emitting power and -10-20dBm for receiving power. The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A new all-optical network system for intelligent building multi-network integration, characterized by , including a near-end host unit R-OLT (1) and a slave remote unit R-ONU (2), the near-end host unit R-OLT (1) and the slave remote unit R-ONU (2) are electrically and optically connected, wherein the near-end host unit R-OLT (1) is configured with a 1:N optical splitter for PON port optical splitting; The near-end host unit R-OLT (1) comprises a radio frequency transceiver module (3), a radio frequency combining module (4), a photoelectric coupling module (5), a light emitting module (6), a light receiving module (7), an optical path mixing module (8), a switching power supply module (9), an OLT module (10) and an uplink optical module (11); the radio frequency transceiver module (3), the radio frequency combining module (4) and the photoelectric coupling module (5) are electrically connected in sequence; the light emitting module (6) and the light receiving module (7) are arranged in parallel to form an optical module; the photoelectric coupling module (5), the optical module and the optical path mixing module (8) are optically connected in sequence; the OLT module (10) and the uplink optical module (11) are connected for data communication; the switching power supply module (9) is electrically connected to the radio frequency combining module (4), the photoelectric coupling module (5), the optical path mixing module (8) and the OLT module (10) respectively; The remote unit R-ONU (2) of the slave machine includes a radio frequency optical module (12), a radio frequency amplifying module (13), a 4 / 5G broadband antenna (14), a 48 / 12V isolated power supply module (15), an ONU module (16) and a POE / LAN port external module (17); the radio frequency optical module (12), the radio frequency amplifying module (13) and the 4 / 5G broadband antenna (14) are electrically connected in sequence; the ONU module (16) and the POE / LAN port external module (17) are connected for data communication; and the 48 / 12V isolated power supply module (15) is electrically connected to the radio frequency optical module (12), the radio frequency amplifying module (13), the ONU module (16) and the POE / LAN port external module (17) respectively.

2. The novel all-optical network system for multi-network integration of smart buildings according to claim 1, characterized in that: The radio frequency transceiver module (3) is used for signal source access, and the access mode supports radio frequency antenna wireless reception or active base station RRU signal source coupling access, the access frequency band includes 800MHz, 900MHz, 1.8GHz, 2.1GHz, 2.3GHz, 2.6GHz and 3.5GHz frequency bands, and the access signal source power range is 0~10dBm±2dB / frequency band; The radio frequency combining module (4) is used for signal source combining and filtering, and mainly integrates the multiple frequency band signals of multiple operators accessed by the radio frequency transceiver module (3), allowing only radio frequency signals of a specific frequency band to pass through, while filtering out radio frequency signals of other frequency bands; The photoelectric coupling module (5) is used to realize the conversion between optical signals and electrical signals. When processing downlink radio frequency signals, the electrical signal is coupled into the optical signal, and when processing uplink radio frequency signals, the electrical signal is decoupled from the optical signal.

3. The novel all-optical network system for intelligent building multi-network integration according to claim 1 is characterized by: The optical path mixing module (8) is a component for integrating and processing optical signals. The optical path mixing module (8) combines the functions of the optical transceiver and processes the reception and transmission of multiple optical signals at the same time, and processes the uplink and downlink optical signals at the same time, so that the system can realize bidirectional communication. The corresponding wavelengths used are 1550nm for downlink and 1310nm for uplink, and the corresponding optical power requirements are: luminous power: 0-3dBm; receiving power range: -10~-20dBm, and can be configured according to the maximum number of 64 optical signal outputs of the slave remote unit R-ONU (2); the luminous module (6) and the receiving module (7) respectively transmit the downlink optical signal and receive the uplink optical signal processed by the optical path mixing module (8), and according to the maximum number of the slave remote unit R-ONU (2), 64 luminous channels and 64 receiving channels are configured.

4. The novel all-optical network system for intelligent building multi-network integration according to claim 1 is characterized by: The switching power supply module (9) reduces the input 220VAC AC voltage to an appropriate AC voltage through its internal transformer, converts the reduced AC voltage into DC voltage through a rectifier bridge, and outputs the required 12VDC and 48VDC through a voltage stabilizer after filtering, meeting the power supply needs of the optoelectronic coupling module (5), the optical path hybrid module (8), the OLT module (10) and the N-way 48VDC output; The radio frequency optical module (12) converts radio frequency signals into optical signals, or converts optical signals back into radio frequency signals. In the downlink direction, the optical signal is converted into an electrical signal through a photoelectric converter, and the radio frequency signal is restored through a demodulator. In the uplink direction, the radio frequency signal is modulated and loaded and converted into an optical signal through a modulator and an electro-optical converter. The corresponding wavelengths used are 1550nm for downlink and 1310nm for uplink, respectively. The corresponding optical power requirements are: luminous power: 0-3dBm; and receiving power range: -10~-20dBm.

5. The novel all-optical network system for multi-network integration of smart buildings according to claim 1 is characterized by: The radio frequency amplification module (13) performs amplification and gain control on the uplink and downlink radio frequency signals, with a gain range of +25-30dB; the strength of the input signal is continuously monitored through a built-in signal strength indicator, and the gain of the power amplifier is adjusted through a feedback loop based on the detected signal strength; if the signal is too weak, the gain is increased; if the signal is too strong, the gain is reduced.

6. The novel all-optical network system for multi-network integration of smart buildings according to claim 1 is characterized by: The 4 / 5G broadband antenna (14) wirelessly transmits the amplified signal, and the operating frequency range supports 800MHz, 900MHz, 1.8GHz, 2.1GHz, 2.3GHz, 2.6GHz and 3.5GHz frequency bands, with an average gain of 3dBi and adopting a vertical polarization mode; The OLT module (10) is interconnected with a 1:N optical splitter via a single optical fiber and is responsible for controlling, managing and measuring the distance of the remote unit R-ONU (2) provided at the user end.

7. The novel all-optical network system for intelligent building multi-network integration according to claim 1 is characterized by: The ONU module (16) is responsible for converting the optical signal from the PON port of the ROLT into an Ethernet electrical signal, and then providing access to the user-side telephone, Internet and TV intelligent connection service equipment through the Ethernet interface allocated by the POE / LAN port (17).

8. The novel all-optical network system for multi-network integration of smart buildings according to claim 1 is characterized by: The 48 / 12V isolated power supply module (15) is used to convert the 48VDC input voltage into a 12VDC output voltage, while providing electrical isolation between the input and output, and providing 12VDC power supply for the radio frequency optical module (12), the radio frequency amplifier module (13), and the ONU module (16), and also providing POE power supply for the external POE / LAN port (17); The external POE / LAN port (17) is allocated to the user side's telephone, Internet, television and other intelligent business equipment in the form of an Ethernet port of the ONU module (16) and the 48 / 12V isolated power supply module (15), thereby meeting the needs of IP data communication and POE power supply.

9. An operating method for a new all-optical network system with multi-network integration for smart buildings, characterized in that A novel all-optical network system for multi-network integration of smart buildings as described in any one of claims 1 to 8 is adopted to realize optical fiber extension and relay amplification of multi-band radio frequency signals, specifically comprising the following steps: SA1: Combine 4 / 5G signals from multiple operators, as follows: The radio frequency transceiver module (3) in the near-end host unit R-OLT (1) receives wireless signals via a radio frequency antenna or is coupled with an active base station RRU signal source, and the radio frequency combining module (4) combines and filters the multi-band signals received by the radio frequency transceiver module (3); SA2: Convert the combined RF signals into optical signals and perform optical splitting, as follows: The photoelectric coupling module (5) in the near-end host unit R-OLT (1) couples the radio frequency signal into the optical signal in the downstream direction and decouples the radio frequency signal from the optical signal in the upstream direction, and transmits the downstream optical signal and receives the upstream optical signal respectively through the light emitting module (6) / light receiving module (7), and then integrates and processes the multi-path optical signals through the optical path mixing module (8), thereby realizing the branching, reception and transmission of the multi-path optical signals; SA3: RF optical signal long-distance transmission and photoelectric conversion, as follows: The multi-channel radio frequency optical signal after being branched by the near-end host unit R-OLT (1) is transmitted to the remote slave unit R-ONU (2) via the optical-electrical composite cable in a distributed manner. The radio frequency optical module (12) converts the radio frequency optical signal into an electrical signal in the downlink direction and recovers the radio frequency signal through the demodulator. In the uplink direction, the radio frequency signal is modulated and loaded and converted into an optical signal. SA4: RF signal relay amplification and transmission, as follows: The RF amplifier module (13) in the remote unit R-ONU (2) of the slave device amplifies and gains the uplink and downlink RF signals so that they can effectively cover a larger area or penetrate obstacles. In combination with the automatic gain adjustment technology, it ensures that the RF electrical signal can maintain stable gain adjustment and signal quality under various conditions. Finally, the downlink RF signal is transmitted and the uplink RF signal is received through the 4 / 5G broadband antenna (14).

10. An operating method for a new all-optical network system with multi-network integration for smart buildings, characterized in that A novel all-optical network system for multi-network integration of smart buildings as described in any one of claims 1 to 8 is adopted to realize GPON network data communication and POE power output, specifically comprising the following steps: SB1: Converts Ethernet data into protocol data and formats supported by GPON, and converts electrical signals into optical signals for transmission, as follows: The OLT module (10) in the near-end host unit R-OLT (1) is connected to the front-end core / aggregation layer switch via a 10G uplink optical module (11) and an optical fiber jumper, converting the Ethernet electrical signal into the frequency and framing format used by the GPON system, and converting the electrical signal into an optical signal for transmission, and vice versa; the converted GPON data is transmitted as an optical signal through the PON port; SB2: GPON signal split transmission, optical-to-electrical conversion, and Ethernet data format conversion, as follows: After the optical signal transmitted from the PON port is split by a 1:N optical splitter, it is transmitted to the remote slave unit R-ONU (2) via an optical broadcasting composite cable in a distributed manner. Then, the ONU module (16) converts the optical signal from the PON port of the near-end host unit R-OLT (1) after splitting into an Ethernet electrical signal and a corresponding data format. SB3: 48V isolated power shunt output, details are as follows: The 48 / 12V isolated power supply module (15) in the remote unit R-ONU (2) of the slave stabilizes the 48VDC input voltage and outputs it as needed to the POE / LAN port external module (17) for POE power supply; SB4: Ethernet data communication and POE power supply output, as follows: The external POE / LAN port (17) in the remote unit R-ONU (2) of the slave machine is allocated to the user side's telephone, Internet, TV and other intelligent business equipment access in the form of the Ethernet port of the ONU module (16) and the 48 / 12V isolated power supply module (15), thereby meeting their IP data communication and POE power supply needs.

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