CN-122026472-A - Optical storage micro-grid system applied to high-speed power supply

CN122026472ACN 122026472 ACN122026472 ACN 122026472ACN-122026472-A

Abstract

The invention discloses an optical storage micro-grid system applied to high-speed power supply, which relates to the technical field of optical storage micro-grids, and comprises the following components in part by weight; the intelligent balance is realized by coordinating photovoltaic power generation, energy storage and energy management modules through an intelligent controller through the high-efficiency micro-grid system based on the power distribution network, solar energy is converted into direct current through a photovoltaic array, the direct current is converted into alternating current through an inverter, a lithium iron phosphate battery pack provides second-level power support and continuous power supply, a power distribution protection module integrates a grid-connected cabinet, automatic reclosing and microsecond level switching function, an innovative heat dissipation device is matched, the heat dissipation efficiency of a cabinet body is remarkably improved, a monitoring safety module realizes rapid fire disaster treatment through four layers of protection, and each module is linked with a central controller through wireless transmission to ensure uninterrupted power supply of a key load, so that a high-efficiency closed-loop system for power generation, energy storage and power consumption is formed.

Inventors

HUANG KEFENG
MA ZHIHENG
SHEN WEIDONG
LIU ZHENJING
TANG XIAOYONG
CHEN CHEN
Gan Guijun

Assignees

安徽蚌五高速公路投资管理有限公司

Dates

Publication Date: 20260512
Application Date: 20251216

Claims (10)

1. The optical storage micro-grid system for high-speed power supply is characterized by comprising a power distribution network, an intelligent controller, a wireless transmission module, an energy management module, an energy storage module, a photovoltaic power generation module, a power distribution protection module and a monitoring safety module; the power distribution network is used for receiving external input electric energy for conversion and distribution; The intelligent controller is used for carrying out coordinated control on the wireless transmission module, the energy management module, the energy storage module, the photovoltaic power generation module, the power distribution protection module and the monitoring safety module by the electric energy distributed by the power distribution network through the wireless transmission module; the energy management module is used for monitoring photovoltaic power generation capacity, energy storage state and load demand in real time; the energy storage module is used for storing and releasing electric energy; the photovoltaic power generation module is used for converting solar energy into electric energy; the power distribution protection module is used for integrating grid-connected control, automatic reclosing and electric energy metering, switching seamlessly and arranging a bypass to ensure power supply continuity; the monitoring safety module is used for monitoring and protecting the energy management module, the energy storage module and the photovoltaic power generation module.
2. The optical storage micro-grid system for high-speed power supply of claim 1, wherein the photovoltaic power generation module comprises a photovoltaic array assembly, a bracket module, an inverter and a lightning protection combiner box; the photovoltaic array component is used for converting solar energy into electric energy; The support module is used for supporting and fixing the photovoltaic array assembly; The inverter is used for converting the electric energy converted by the photovoltaic array assembly into alternating current; the lightning protection junction box is used for photovoltaic array input primary junction, reduces the number of connecting lines of the inverter, and provides direct current lightning protection.
3. The optical storage micro-grid system for high-speed power supply of claim 1, wherein the energy storage module comprises a battery system and an energy storage converter; The battery system consists of a battery module, a battery cluster and a high-voltage box and is used for converting electric energy output by the photovoltaic power generation module into chemical energy for storage; the energy storage converter is used for converting direct current of the battery system into alternating current with the same frequency and phase as the power grid, and simultaneously, the energy storage converter is switched in a two-way mode and is off-grid to support micro-grid operation.
4. The optical storage micro-grid system for high-speed power supply of claim 1, wherein the power distribution protection module comprises an alternating current power distribution cabinet and a micro-grid switching cabinet; the alternating current power distribution cabinet is used for integrating grid-connected control, short-circuit protection and electric energy metering functions, and the fault quick recovery is achieved through automatic reclosing; The micro-grid switching cabinet is used for seamlessly switching the power grid and the micro-grid mode, and the built-in bypass switch is used as emergency standby, so that power supply continuity is ensured.
5. The optical storage micro-grid system for high-speed power supply of claim 1, wherein the monitoring safety module comprises a fire protection system, an audible and visual alarm module, a fire detector and a temperature control module; the fire protection system is used as a comprehensive prevention and control system and is used for automatically disposing fire disasters generated by the optical storage micro-grid system; The audible and visual alarm module is used for performing multi-sense alarm according to the fault condition; the fire detector is used for monitoring the parameter changes such as smoke, temperature and the like in the environment in real time; The temperature control module is used for improving fire judgment accuracy ‌ through monitoring environmental temperature rise and cooperative work with the fire detector.
6. The optical storage micro-grid system for high-speed power supply of claim 4, wherein the alternating current power distribution cabinet in the power distribution protection module comprises a power distribution cabinet main body (1), universal wheels (2) are arranged on four sides of the bottom of the power distribution cabinet main body (1), a cabinet door (3) is arranged on the front side of the power distribution cabinet main body (1), a measuring dial plate (4) is arranged at the upper end of the front side of the cabinet door (3), and a heat dissipation device (5) is arranged on the rear side of the top of the power distribution cabinet main body (1).
7. The light storage micro-grid system for high-speed power supply according to claim 6, wherein the heat dissipating device (5) comprises an air inlet component (51), the air inlet component (51) is arranged at the rear side of the power distribution cabinet main body (1), the upper end of the air inlet component (51) is connected with a connecting box (52), a cleaning transmission component (53) is arranged in the connecting box (52), the upper end of the cleaning transmission component (53) is connected with a first driving wheel (54), a first belt (55) is connected with the external transmission of the first driving wheel (54), one end of the first belt (55) far away from the first driving wheel (54) is connected with a first driven wheel (56), the first driven wheel (56) is connected with the top of an opening and closing component (57), the opening and closing component (57) is arranged at the top of the power distribution cabinet main body (1), the air inlet component (51) comprises a bellows (511), the air inlet end of the bellows (511) is connected with the rear side of the power distribution cabinet main body (1), a first filter screen (512) is arranged at the air inlet end of the bellows (511), one end of the first filter screen (512) is arranged at the inner side of the first filter screen (511), and the first filter screen (511) is arranged at the lower end of the first filter screen (511) and can be detached from the inner side of the air blower fan (511).
8. The light-storage micro-grid system for high-speed power supply, as set forth in claim 7, wherein the cleaning transmission assembly (53) comprises a motor (531), the motor (531) is mounted on one side inside the connection box (52), the output end of the motor (531) is connected with a first bevel gear (532), the upper end of the first bevel gear (532) is connected with a second bevel gear (533) in a meshed manner, the upper end of the second bevel gear (533) is connected with a rotating rod (534) in a meshed manner, the top of the rotating rod (534) is connected with a first driving wheel (54), the lower end of the first bevel gear (532) is connected with a third bevel gear (535) in a meshed manner, the bottom of the third bevel gear (535) is connected with a rotary drum (536), the bottom of the rotary drum (536) is rotatably connected with the connection box (52), an abutting plate (537) is connected to the outside of the rotary drum (536), one side, far away from the rotary drum (536), penetrates out of the connection box (52), the abutting plate (537) is connected with a cleaning frame (538) at the bottom of one side, and the bottom of the abutting plate (537) is connected with the first driving wheel (54), the cleaning frame (538) is contacted with the outer side of the first filter screen (512).
9. The light-storing micro-grid system for high-speed power supply, as set forth in claim 7, characterized in that the opening and closing component (57) comprises an exhaust box (571), the exhaust box (571) is mounted at the top of the power distribution cabinet main body (1), a screw rod (572) is arranged at the inner upper end of the exhaust box (571), the top of the screw rod (572) is rotationally connected with the first driven wheel (56), a pressing plate (573) is connected with the outer threads of the screw rod (572), the front side and the rear side of the pressing plate (573) are abutted against the inner wall of the exhaust box (571), the bottom of the screw rod (572) is rotationally connected with a bracket (574), the outer side of the bracket (574) is fixedly connected with the exhaust box (571), support rods (575) are arranged at the two sides of the upper end of the bracket (574), springs (576) are arranged at the outer sides of the lower end of the support rods (575), the support rods (575) are respectively inserted at the left side and the right side of the pressing bar (577), the two sides of the pressing bar (577) are respectively in butt joint with a rotating plate (578), the middle of the screw rod (572) is in middle of the rotating plate (578), the rotating plate (578) is connected with the inner wall of the exhaust box (571), the rotating arm (571) and the rotating plate (571) is connected with the upper side of the first rotating arm (579) and the rotating plate (570), and drive plate (5710) upper end and second connect arm (5711) rotate to be connected, second connects arm (5711) to keep away from drive plate (5710) one end and open and shut board (5712) and meet, and open and shut board (5712) rotate and install in the left and right sides of exhaust case (571), the interior bottom of exhaust case (571) is equipped with second filter screen (5713), and second filter screen (5713) are linked together with switch board main part (1) inside.
10. The light storage micro-grid system for high-speed power supply according to claim 8, wherein the exhaust adjustable assembly (58) comprises a second driving wheel (581), the second driving wheel (581) is in butt joint with the bottom of the rotary drum (536), a second belt (582) is connected to the outside of the second driving wheel (581) in a transmission mode, one side, away from the second driving wheel (581), of the second belt (582) is connected with a second driven wheel (583), a rotating shaft (584) is vertically in butt joint with the middle of the second driven wheel (583), the bottom of the rotating shaft (584) is connected with the blowing assembly (585), a protective box (586) is arranged outside the blowing assembly (585), and the protective box (586) is arranged on the rear side in the power distribution cabinet main body (1); The air blowing assembly (585) comprises a first rotary table (5851), the first rotary table (5851) is arranged on the left side inside the protective box (586), the first rotary table (5851) is connected with the bottom of the rotary shaft (584), a cable (5852) is connected to the outer transmission of the first rotary table (5851), the right side of the cable (5852) is connected with a second rotary table (5853), the first rotary table (5851) and the bottom of the second rotary table (5853) are both rotationally connected with a cross rod frame (5854), the cross rod frame (5854) is arranged inside the protective box (586), connecting pieces (5855) are respectively butted on two sides of the outer end of the cable (5852), one end of the connecting pieces (5855) far away from the cable (5852) is connected with a sliding block (5856), the sliding block (5856) is slidingly arranged on the outer side of the cross rod frame (5854), the bottom of the sliding block (5855) is rotationally connected with a connecting rod (5857), the first air blowing pipe (5855) is connected with the bottom of the fixed block (5855) in series and is fixedly connected with the bottom of the fixed block (5855), the air blowing pipe (5855) is fixedly connected with the top of the air blowing pipe (5855) through the air blowing pipe (5855), the gas collecting hood (58511) is arranged at the gas outlet end of the bellows (511) and extends into the power distribution cabinet main body (1).

Description

Optical storage micro-grid system applied to high-speed power supply Technical Field The invention relates to the technical field of optical storage micro-grid, in particular to an optical storage micro-grid system applied to high-speed power supply. Background Along with the development of human industry, the utilization of fossil energy continuously brings pressure to the environment in various aspects, so that the development and utilization of clean new energy are quickened, solar energy is more and more favored by people because the solar energy has the characteristics of cleanness, innocuity, wide distribution and the like, and solar energy photovoltaics also become hot spots for generating electricity by the current new energy. In recent years, along with the increasing expansion of low-carbon environmental awareness, the 'photovoltaic +' is also gradually integrated into the life of people, the 'photovoltaic + expressway' integrates the photovoltaic power generation technology with an expressway system, the photovoltaic power generation system is installed by utilizing the space of an intercommunication area, a tunnel, a side slope, an isolation belt and the like in the expressway system and the space arrangement of facilities such as a toll station, a service area building roof, a parking shed, a enclosing wall and the like, and the generated clean energy is applied to a bridge tunnel lighting ventilation facility or output to a power grid system, so that the system has remarkable energy, environmental protection and economic benefits and is one of the best green energy. The low-voltage side direct current bus of the optical storage micro-grid system with the application number of CN208226581U is connected with a large power grid through a plurality of transformers respectively, so that the low-voltage side direct current bus can be connected with a large-capacity energy storage system without replacing the large-capacity transformers, the photovoltaic system, the first energy storage system and each second energy storage system can be connected with the low-voltage side alternating current bus through corresponding switches respectively under the control of a control system, the photovoltaic system and each second energy storage system can work normally when the large power grid is electrified, the photovoltaic system and each second energy storage system can be connected with the first energy storage system through corresponding switches respectively under the control of the control system, a large sub-micro-grid is formed when the large power grid is powered off, and the first energy storage system and each second energy storage system can prolong the standby time of the micro-grid and consume photovoltaic power. At present, in the prior art, under the condition of insufficient power generation or power grid power failure, microsecond uninterrupted power supply effect on key equipment is poor, and therefore, the optical storage micro-grid system applied to high-speed power supply is provided for meeting the functions of multi-energy fusion power supply, microsecond seamless switching and the like. Disclosure of Invention The invention aims to provide an optical storage micro-grid system applied to high-speed power supply so as to solve the problems in the background technology. In order to achieve the aim, the invention adopts the following technical scheme that the optical storage micro-grid system applied to high-speed power supply comprises a power distribution network, an intelligent controller, a wireless transmission module, an energy management module, an energy storage module, a photovoltaic power generation module, a power distribution protection module and a monitoring safety module; the power distribution network is used for receiving external input electric energy for conversion and distribution; The intelligent controller is used for carrying out coordinated control on the wireless transmission module, the energy management module, the energy storage module, the photovoltaic power generation module, the power distribution protection module and the monitoring safety module by the electric energy distributed by the power distribution network through the wireless transmission module; the energy management module is used for monitoring photovoltaic power generation capacity, energy storage state and load demand in real time; the energy storage module is used for storing and releasing electric energy; the photovoltaic power generation module is used for converting solar energy into electric energy; the power distribution protection module is used for integrating grid-connected control, automatic reclosing and electric energy metering, switching seamlessly and arranging a bypass to ensure power supply continuity; the monitoring safety module is used for monitoring and protecting the energy management module, the energy storage module and the photovoltaic power generation module. Preferabl