CN109323203B - Extra-long tunnel illumination intelligent energy-saving system based on wind power generation - Google Patents

Abstract

The invention relates to a special tunnel illumination intelligent energy-saving system based on wind power generation, which comprises a wind power generation device, a singlechip main control module, a photosensitive sensor, a ZigBee wireless transmission main module and illumination nodes distributed in a tunnel, wherein the photosensitive sensor is arranged outside the tunnel, the singlechip main control module sends a control command to the illumination nodes according to illumination data and through the ZigBee wireless transmission main module, and the illumination nodes work according to the control command of the singlechip main control module; the wind power generation device is arranged at the tunnel portal for wind power generation and supplies power to the main control module, the photosensitive sensor, the ZigBee wireless transmission main module and the ZigBee wireless transmission sub module. The intelligent tunnel lighting system is reasonable in design, not only can maximally utilize wind power conditions in the tunnel and provide guarantee for stable wind power generation, but also adopts different illumination modes in the tunnel, thereby constructing a green and intelligent tunnel lighting system and greatly improving the comfort level of a driver passing through the tunnel.

Description

Intelligent energy-saving system for extra-long tunnel lighting based on wind power generation

technical field

The invention belongs to the technical field of lighting, in particular to an intelligent energy-saving system for super-long tunnel lighting based on wind power generation.

Background technique

In the modern transportation industry, tunnels play an extremely important role. Tunnels with a length greater than 3,000 meters are classified as extra-long tunnels, which usually use intensive lighting at the entrance and exit and general lighting in the middle of the tunnel. When the driver drives out of such a tunnel, after driving in the tunnel for a long time, the sudden change in lighting conditions can easily cause the driver's visual stimulation and induce risk factors; the long-term strong light environment in the tunnel is likely to cause the driver to develop Fatigue is easy to ignore risk factors and induce unsafe driving behaviors. In addition, the lighting equipment and lighting methods used in the existing lighting methods have always had problems such as poor lighting effects and high power consumption.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of the prior art, and propose an intelligent energy-saving system for super-long tunnel lighting based on wind power generation, which is reasonable in design, good in lighting effect, energy-saving and environment-friendly.

The present invention solves its technical problem and realizes by taking the following technical solutions:

An intelligent energy-saving system for ultra-long tunnel lighting based on wind power generation, including wind power generation device, single-chip main control module, photosensitive sensor, ZigBee wireless transmission main module and lighting nodes distributed in the tunnel, each lighting node is controlled by ZigBee wireless transmission sub-module Module, pulse trigger switch and lighting module are connected to form. The main control module of the single-chip microcomputer is connected with the photosensitive sensor and the main module of ZigBee wireless transmission. control module, the single-chip main control module sends control commands to the lighting nodes through the ZigBee wireless transmission main module according to the illumination data, and the lighting nodes work according to the control commands of the single-chip main control module; the wind power generation device is installed at the tunnel entrance for wind power generation and The main control module, photosensitive sensor, ZigBee wireless transmission main module and ZigBee wireless transmission sub-module are powered, and the pulse trigger switch of the lighting node and the lighting module are powered by AC power; The rope bolt, the lower rope bolt, the casing and the support platform; the upper rope bolt, the fan blade, and the lower rope bolt are set on the main shaft of the fan blade from top to bottom, and the fan blade is made of elastic metal material and placed on the Under the action of the upper tether and the lower tether, a certain angle of deformation is generated, and the fan blade is driven by the wind to rotate and drive the blade main shaft to rotate; the fan main shaft is connected to the wind power conversion module in the casing, and the wind power conversion module output electric energy; the casing is installed on the supporting platform.

Further, the deformation angle of the upper half of the fan blade is 35 degrees; the deformation angle of the lower half of the fan blade is -24 degrees.

Further, the upper tether includes an upper tether fixing platform, an anti-skid leather pad, an upper pressure platform, a reversing wheel shaft, a reeling wheel shaft, a first steel cable receiving shaft, a wheel shaft support rod, a locking knob, a threaded column and a reversing wheel shaft. Rotary shaft support frame; the upper rope bolt fixing platform is a T-shaped structure and rotates coaxially with the main shaft of the fan blade. The two thick and flexible steel cables in opposite directions are fixed in direction by the winding wheel shaft and are wound with the steel cable. The pressure on the upper platform and the The anti-slip leather pads work together, and the hollow part formed by it is used for the passage of the thick flexible steel cable, combined with the locking knob to lock on the threaded column, the thick flexible steel cable is locked on the upper rope bolt to fix the platform, and the thick flexible steel cable is locked After tightening, the extra part is fixed by the first steel cable receiving shaft, which cooperates to complete the stable rotation of the single fan blade. In the other two directions, the reversing wheel shaft is required to change the tensioning direction of the elastic steel cable. The reversing wheel shaft relies on the reversing shaft support frame Fix and tighten the fan blades in the other two directions. The four fan blades are tightened by four thick flexible steel cables, so that the upper half of the fan blades can be elastically deformed according to the actual wind conditions.

Further, the lower tether includes a lower tether fixing platform, a reversing wheel shaft, a second steel cable receiving shaft, a fixing screw, a fixed pressure table and a support frame for the reversing rotating shaft; the lower tether fixing platform is the same as the blade main shaft. The shaft rotates, and the entire lower rope bolts are symmetrically arranged in four directions. The thin flexible steel cable relies on the reversing wheel shaft to complete the direction fixing and steel cable winding. The reversing shaft is fixed and supported by the reversing shaft support frame. Work together with the platform, the hollow part of which is formed by the thin flexible steel cable to pass through, the fixing screw is locked, the thin flexible steel cable is locked to the fixed pressure table, and the redundant part of the thin flexible steel cable is locked by the second steel cable The storage shaft is fixed, and the stable rotation of the single fan blade is completed. The four fan blades are tensioned by four thin flexible steel cables, so that the lower half of the fan blade can be elastically deformed according to the actual wind force.

Further, the wind power conversion module includes a gearbox, a generator set, a battery module and a voltage conversion module; the gearbox is equipped with a fixed low-speed shaft, a low-speed gear, a medium-speed shaft, a medium-speed gear with few teeth, and a medium-speed multi-tooth gear. Gears, high-speed rotating shafts, high-speed gears and couplings; the low-speed rotating shaft and the fan blade main shaft rotate coaxially to form the transmission main shaft, the low-speed gear is located on the low-speed rotating shaft, and the low-speed gear cooperates with the medium-speed gear with few teeth, and the transmission ratio is 7 : 2. Drive the medium-speed few-tooth gear to rotate. The medium-speed few-tooth gear and the medium-speed multi-tooth gear are located at different positions of the medium-speed shaft, and both rotate coaxially around the medium-speed shaft. The middle-speed multi-tooth gear and the high-speed gear The gears are matched between the gears, the transmission ratio is 7:4, and the high-speed gears are driven to rotate. The high-speed gears are located on the high-speed shaft, and the high-speed shaft rotates at a high speed. The high speed is output to the rotor shaft through the coupling. Connected and rotated at the same high speed, the generator set transmits electric energy to the battery module through the electric energy transmission module, the voltage conversion module is connected to the battery module through wires, and the battery module transmits electric energy to the voltage conversion module and passes through the voltage converter Module conversion, output stable 5V control voltage.

Furthermore, the generator set is a three-phase asynchronous motor. .

Further, the support platform includes a platform lower support frame, an upper platform support frame, a platform fixing screw, a platform fixing nut and a platform fixing base. The supporting frame is installed together with the platform fixing nut through the platform fixing screw, the lower platform supporting frame is fixed on the platform fixing base, and the platform fixing base is provided with a screw hole for installing the wind power generation device.

Further, the wind power generation device is installed upside down directly above the entrance of the tunnel, and its installation angle is 15 degrees.

Further, the lighting module adopts a COB-LED lighting module.

Advantage and positive effect of the present invention are:

1. The present invention adopts a main control module, a photosensitive sensor and a Zigbee module as the main modules of the control system. The photosensitive sensor detects the light conditions of the outside world in real time, and feeds back to the main control chip in the form of a numerical value, and then utilizes the connection between the main control chip and the Zigbee module. The wireless data communication realizes the lighting control of each node in the tunnel, and then controls the lighting state of the entire tunnel, and realizes the coordination function between the lighting conditions in the tunnel and the external lighting conditions, which not only provides the driver with a comfortable driving environment, but also saves energy. .

2. The wind power generation device of the present invention adopts a structure in which upper and lower rope bolts are combined with elastic material blades, so that the fan blades can work under a certain degree of deformation, and different wind angles of the fan blades are adopted for different wind energy conditions , so that the system can make greater use of the limited wind energy in the tunnel.

3. The wind power generation device of the present invention adopts a highly integrated gear transmission structure. The ventilation system in the tunnel is time-sensitive and the wind is strong. Therefore, the transmission ratio of the output shaft and the input shaft is changed in two gears, and the transmission system can be more stable. run. The rotating shaft, the gear and the synchronizer can realize the rectangular arrangement of the two shafts by virtue of the gear transmission, and work together to obtain a high-speed and stable rotating speed. The gearbox is specially made according to the needs of the transmission system. After reasonable arrangement, all the rotating shafts of the system can only bear the axial force, avoiding the bending pressure, and the work is safer and more stable.

4. The wind power conversion modules of the present invention are all installed in the casing, the casing adopts a streamlined design, and the wind power generation system is suspended at any position in the tunnel with the support frame; at the same time, the support platform can make the system within a certain value range according to the actual working conditions Changing the working height and working angle enables the system to make greater use of the limited wind energy in the tunnel.

5. Most parts of the present invention are symmetrically distributed, and an asymmetric structure is adopted in the fixed part of the base, which avoids the center of gravity offset problem caused by the gear movement of the transmission system of the wind power generation device, and enhances the practicability and operation stability of the device sex.

6. The design of the present invention is reasonable. It utilizes the time-sensitive strong wind conditions in the super-long tunnel and selects a suitable installation position to perform efficient and stable wind power generation in the tunnel. It can not only make maximum use of the wind conditions in the tunnel, but also provide Stable wind power generation provides guarantee, and different lighting methods in the tunnel are designed for three different lighting conditions, and a green and intelligent tunnel lighting system is built, which saves more power than the traditional lighting system and greatly improves driving. The comfort level of passengers passing through the tunnel.

Description of drawings

Fig. 1 is the system connection schematic diagram of the present invention;

Fig. 2 is the overall structural block diagram of wind power generation device of the present invention;

Fig. 3 is a structural schematic diagram of the upper rope bolt of the wind power generation device of the present invention;

Fig. 4 is a structural schematic diagram of the lower rope bolt of the wind power generation device of the present invention;

Fig. 5 is a front view of the gearbox transmission structure of the wind power generation device of the present invention;

Fig. 6 is a schematic diagram of the connection between the transmission system and the generator set of the wind power generation device of the present invention;

Fig. 7 is a schematic diagram of the internal structure of the casing of the wind power generation device of the present invention;

Fig. 8 is a schematic diagram of the bottom support structure of the wind power generation device of the present invention;

Fig. 9 is a schematic diagram of the data transmission mode of the control module of the present invention;

Fig. 10 is a circuit block diagram of the control module of the present invention;

In the figure, 1-blade main shaft, 2-fan blade, 3-upper rope bolt, 4-lower rope bolt, 5-casing, 10-support platform, 101 platform lower support frame, 102-platform upper support frame, 103-platform fixing screw, 104-platform fixing nut, 105-platform fixing base, 31-upper rope bolt fixing platform, 32-anti-slip leather pad, 33-pressure upper platform, 34-reversing wheel shaft, 35-winding wheel shaft, 36-first steel cable receiving shaft, 37-axle support rod, 38-locking knob, 39-threaded column, 310-thick flexible steel cable, 311-reversing rotating shaft support frame, 41-lower rope bolt fixing platform, 42 -reversing wheel shaft, 43-the second steel cable receiving shaft, 44-fixing screw, 45-fixed pressure table, 46-thin flexible steel cable, 47-reversing shaft support frame, 6-gearbox, 61-low speed shaft, 62-low-speed gear, 63-medium-speed shaft, 64-medium-speed gear with few teeth, 65-medium-speed multi-tooth gear, 66-high-speed shaft, 67-high-speed gear, 68-coupling, 7-generator set, 71- Rotor shaft, 72-generator rotor, 73-power transmission module, 8-battery module, 9-voltage conversion module, 91-USB power output interface.

Detailed ways

Embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

An intelligent energy-saving system for extra-long tunnel lighting based on wind power generation, as shown in Figure 1, includes a wind power generation device, a single-chip microcomputer main control module, a photosensitive sensor, a ZigBee wireless transmission main module, and lighting nodes distributed in the tunnel. Each lighting node Both include ZigBee wireless transmission sub-module, pulse trigger switch and COB-LED lighting module. The main control module of the single-chip microcomputer is connected with the photosensitive sensor and the main module of ZigBee wireless transmission. The photosensitive sensor is installed outside the tunnel for collecting the illumination situation outside the tunnel and is transmitted to the main control module of the single-chip microcomputer. The main control module of the single-chip microcomputer is based on the illumination data and The main module of ZigBee wireless transmission sends the control command of the lighting mode to the lighting node, and the lighting node works in different working modes according to the control command of the single-chip main control module. The wind power generation device is installed at the tunnel entrance for wind power generation and supplies power to the main control module, photosensitive sensor, ZigBee wireless transmission main module and ZigBee wireless transmission sub-module, and the pulse trigger switch of the lighting node and the COB-LED lighting module are powered by the AC power supply. powered by.

As shown in FIG. 2 , the wind power generation device includes a blade main shaft 1 , a fan blade 2 , an upper tether 3 , a lower tether 4 , a casing 5 , and a support platform 10 . The upper tether 33, the fan blade 2, and the lower tether 4 are set on the blade main shaft 1 from top to bottom, and the upper tether 3 and the lower tether 4 are respectively connected to the upper end and the lower end of the fan blade 2 , the fan blade 2 is made of an elastic metal material and deforms at a certain angle under the action of the upper tether 3 and the lower tether 4, the fan blade 2 is driven by the wind to rotate, and then drives the fan blade main shaft 1 to rotate; The blade main shaft 1 is connected to the wind power conversion module in the casing 5 to realize the wind power conversion function, and the output power of the wind power conversion module supplies power for the entire lighting system; the casing is installed on the supporting platform 10 .

As shown in Figure 3, the upper rope bolt includes an upper rope bolt fixing platform 31, an anti-skid leather pad 32, a pressure upper platform 33, a reversing wheel shaft 34, a winding wheel shaft 35, a first steel cable receiving shaft 36, and a wheel shaft support rod. 37. The locking knob 38, the threaded column 39 and the reversing shaft support frame 311 can tighten and fix the thick flexible steel cable 310 by a given length, so that the upper part of the fan blade 2 is deformed at a certain angle. The upper rope bolt fixing platform 31 is a T-shaped structure, which rotates coaxially with the fan blade main shaft 1. The steel cable fixing direction of the whole rope bolt is cross-shaped, and the two thick flexible steel cables 310 in opposite directions are completed by the winding wheel shaft 35. The direction is fixed and the steel cable is wound, and the pressure upper platform 33 and the anti-slip leather pad 32 work together. The hollow part formed by it is used for the thick flexible steel cable 310 to pass through, combined with the locking knob 38 to lock on the threaded column 39, the thick flexible steel cable 310 is locked on the upper rope bolt fixing platform 31. After the thick flexible steel cable 310 is locked, the excess part is fixed by the first steel cable receiving shaft 36, which cooperates to complete the stable rotation of the single fan blade, and the other two directions need to be reversed. The wheel shaft 34 changes the tensioning direction of the elastic steel cable, and the reversing wheel shaft 34 is fixed by the reversing shaft support frame 311, and the fan blades in the other two directions are tightened. The four fan blades are tensioned by four thick flexible steel cables 310, so that The upper part of the fan blade can be elastically deformed according to the actual wind conditions, and the equipment can maximize the use of wind energy. The angle formed by the connecting lines at the far end is called the upper deformation angle. When the whole device is placed upside down directly above the tunnel entrance, the upper half of the fan blade will be elastically deformed according to the general analysis of the wind force at the tunnel entrance according to aerodynamics. , the best deformation angle of the upper half is 35 degrees.

As shown in Fig. 4, described lower rope bolt comprises lower rope bolt fixed table 41, reversing wheel shaft 42, second steel cable receiving shaft 43, fixing screw 44, fixed pressure platform 45 and reversing rotating shaft support frame 47, can The thin flexible steel cable 46 is tightened and fixed according to a given length, so that the lower part of the fan blade 2 is deformed at a certain angle. The lower rope bolt fixing table 41 rotates coaxially with the fan blade main shaft 1, and the entire lower rope bolts are symmetrically arranged in four directions. The steering shaft 42 is fixedly supported by the reversing shaft support frame 71, the fixing screw 44 cooperates with the fixed pressure table 45, and the hollow part formed by it is passed through by the thin flexible steel cable 46, the fixing screw 44 is locked, and the thin flexible steel cable 46 is Locked on the fixed pressure table 45, the redundant part of the thin flexible steel cable 46 is fixed by the second steel cable receiving shaft 43 after being locked, and cooperates to complete the stable rotation of the single fan blade, and the four fan blades are supported by four thin flexible steel cables 46 Tighten, so that the lower half of the fan blade can be elastically deformed according to the actual wind conditions, and the equipment can maximize the use of wind energy. The angle formed by the connection line at the farthest end of the lower half is called the deformation angle of the lower half. When the whole device is placed upside down directly above the entrance of the tunnel, the wind force at the entrance of the tunnel is generally analyzed according to aerodynamics. Elastic deformation occurs in the lower half, and the deformation angle of the lower half is optimal at -24 degrees.

The wind power conversion module includes a gearbox 6 , a generator set 7 , a battery module 8 , and a voltage conversion module 9 .

As shown in Figures 5 and 6, the gear box 6 is a fixed low-speed rotating shaft 61, a low-speed gear 62, a medium-speed rotating shaft 63, a medium-speed few-toothed gear 64, a medium-speed multi-toothed gear 65, a high-speed rotating shaft 66, and a high-speed gear 67. And the carrier of the coupling 68 is the main transmission part of the system. The three rotating shafts work in coordination in the gearbox to convert the speed from low speed to medium speed through bearing transmission, and finally to high speed. The blade main shaft 1 and the low-speed rotating shaft 61 rotate coaxially to form a transmission main shaft. The low-speed gear 62 is located on the low-speed rotating shaft 61 and has the same rotation speed. The ratio is 7:2, which drives the medium-speed few-tooth gear 64 to rotate. The medium-speed few-tooth gear 64 and the medium-speed multi-tooth gear 65 are located at different positions of the medium-speed rotating shaft 63, and they all rotate coaxially around the medium-speed rotating shaft 63. The high-speed multi-tooth gear 65 and the high-speed gear 67 are geared together, and the transmission ratio is 7:4, which drives the high-speed gear 67 to rotate. The high-speed gear 67 is located on the high-speed rotating shaft 66, and the high-speed rotating shaft 66 rotates at a high speed. Through the coupling 68 , output the high speed to the outside of the gearbox, the transmission system of the gearbox completes the conversion from low speed to high speed and outputs the speed; the coupling 68 transmits the speed to the rotor shaft 71, and the generator rotor 72 is in phase with the rotor shaft 71 Connected and rotated at the same high speed, the generating set 7 works to generate electric energy, and completes the conversion of wind energy to electric energy. The coupling 68 realizes the connection function between the high-speed shaft and the rotor shaft, and can transmit the speed of the high-speed shaft to the generator rotor shaft with low loss for the generator to generate electricity.

The generator set 7 is a three-phase asynchronous motor. Through the coordinated work of the gearbox 6 and the transmission main shaft, the rotor speed can be controlled to be higher than the synchronous speed of the generator. mechanical energy into electrical energy.

The storage battery pack 8 and the voltage conversion module 9 jointly constitute an electric energy output system. The battery pack consists of 4 rechargeable AA batteries combined with the charging circuit to complete the storage of electric energy; combined with the voltage conversion module, the electric energy generated by the generator can be converted into a stable 5V voltage supply to the control system.

The internal structure of the casing 2 is shown in FIG. 7 . The gearbox 6 outputs the rotational speed to the generator set 7 through the coupling 68 and the rotor shaft 71 , and the generator set 7 transmits the electric energy to the battery module 8 through the electric energy transmission module 73 In the process, the battery module 8 performs a charging reaction; the voltage conversion module 9 is welded on the side edge of the power transmission module, the voltage conversion module 9 is connected to the battery module 8 through a wire 17, and the battery module 8 transmits electric energy to the voltage conversion module 9 , converted by the voltage converter module 9 to output a stable 5V control voltage to supply power for the control system.

The support platform 10 can change the installation angle of the fan according to the actual wind direction, and its support structure adopts a double-piece arc support structure with variable height and angle, which can adjust the working state of the system within a certain value range. As shown in Figure 8, the support platform 10 is connected to the casing 5 by welding, and the support structure adopts an asymmetric structure, which is used to deal with the center of gravity offset problem caused by the gear movement of the transmission system of the wind power generation device. The lower end of the platform 10 is connected with the upper support frame 102 of the platform, and the upper support frame 102 of the platform is connected with the lower support frame 101 of the platform, each of which has 4 installation slots, and the two rely on the tightening of the platform fixing screws 103 and the platform fixing nuts 104. After the connection and cooperation are completed, the platform fixing base 105 is provided with screw holes, and the support components can be fixed at the required positions by means of screw compression fit. The angle formed by the axis perpendicular to the installation plane and the axis of the blade main shaft 1 is called the equipment installation angle. There are two equipment installation angles, 5 degrees and 15 degrees. When the entire equipment is placed upside down directly above the tunnel entrance In order to maximize the use of wind energy, the general wind conditions at the entrance of the tunnel are analyzed according to aerodynamics, and the deformation angle of the upper half and the lower half are considered comprehensively. The best installation angle of the equipment is 15 degrees.

In the present invention, the single-chip main control module and Zigbee wireless transmission main module, Zigbee wireless transmission sub-module, photosensitive sensor module, main control chip STM32F103ZET6, RS485 interface, 3.3V power supply input/output interface, USB to serial port equipment, external crystal oscillator, The system serial port, pulse trigger switch, COB-LED lighting module, wires and Dupont wire constitute an intelligent lighting control system. It sends the external light conditions to the main control chip in the form of numerical values through the light sensor outside the tunnel, designs a variety of different lighting methods for different numerical values, and then uses Zigbee wireless networking technology to send trigger pulses to the pulse trigger switches of network nodes , trigger the corresponding LED lighting module, and finally achieve the purpose of coordinating the lighting conditions inside and outside the tunnel while saving energy.

In this embodiment, the single-chip main control module includes the main control chip, RS485 interface, 3.3V power input/output interface, USB to serial device, external crystal oscillator, system serial port and other necessary hardware devices. The main control chip is STM32F103ZET6, using SPI serial Synchronous half-duplex communication protocol, the data communication between the system serial port and the light sensor through the DuPont line; use the TCP/IP network protocol and ZigBee module for data transmission to realize the control function. The main component of the photosensitive sensor is a photosensitive diode, combined with related circuits, the light intensity can be expressed in numerical form by measuring the voltage, and the light intensity is fed back to the main control chip in numerical form, and the main control chip judges the numerical value and then Use appropriate lighting.

The Zigbee wireless transmission main module and the Zigbee wireless transmission sub-module both use TI's CC2630 chip, which is a new generation of Zigbee modules from DTK, with larger network scale and more stable network. The Zigbee module is used to form a standard MESH network for data transmission. Combined with the ARM series 32-bit CPU, this module can support 200-level automatic routing. The main control chip is placed in the middle of the tunnel, and there are 200-level routing in each direction. The system can control LED lighting equipment with up to 400 nodes.

Zigbee wireless transmission sub-module, pulse trigger switch module and LED lighting equipment together constitute the lighting part of the system. The Zigbee wireless transmission sub-module receives the strobe signal from the main control chip, and outputs a 5V high level through the serial port for the pulse trigger switch, the switch is turned on, and triggers the LED lighting device connected to 220V AC; otherwise, if the Zigbee wireless transmission sub-module receives The interrupt signal from the main control chip immediately interrupts the serial port level output, and the pulse triggers the switch to be turned off to realize the controllable lighting function.

The Zigbee module needs to support the RS485 selection interface. The established MESH structure network consists of a Coordinator (master module) and N routers (slave modules). All nodes have the same channel and PAN ID. The characteristics of the MESH network are automatic routing and dynamic Maintain routing. When the nodes cannot communicate directly, the system will automatically find a new path through other nodes to complete the communication.

The control system adopts Zigbee communication mode to build a communication network. The network structure is suitable for road traffic lighting control and has a very high fault tolerance rate. The network formed by the Zigbee wireless data transmission system is a MESH structure network, and uses point-to-point transmission of data. The transmission method can send data point-to-point to any node in the Zigbee network or broadcast data to all nodes in the Zigbee network. A MESH network consists of a Coordinator (coordinator, master module) and 200 Routers (routers, slave modules) in each direction. All nodes have the same channel and PANID. The data transmission mode is shown in Figure 9. The biggest feature of the established MESH structure network is automatic routing and dynamic maintenance routing. In the figure, C communicates with R3. If it cannot be reached directly, the data will be automatically routed to R3 through R1 and R2. And when R1 or R2 is damaged, it will automatically find a new routing path. The TCP/IP mode is used as the module network protocol. The TCP transmission mechanism is based on connections, which is not easy to lose packets. Static IP is more conducive to clearly expressing a certain Zigbee gateway, ensuring efficient and stable data communication.

Work process of the present invention, as shown in Figure 10, the photosensitive sensor module that is arranged on the outside of the tunnel transmits the collected illuminance data to the single-chip microcomputer main control module (main control chip STM32F103ZET6), and the collected illuminance value is analyzed, When the illuminance value is ≤35, adopt lighting mode C, that is, every second lighting module in the tunnel is lit; when the illuminance value is between 35 and 80, adopt lighting mode B, that is, in the tunnel Every other lighting module in the tunnel is lit; when the illuminance value is greater than or equal to 80, the lighting mode A is adopted, that is, all the lighting modules in the tunnel are lit.

The A, B, and C lighting methods all meet the lighting illuminance requirements for safe driving in the tunnel in the "Design Specifications for Ventilation and Lighting of Highway Tunnels", and regardless of the lighting methods, intensive lighting is used at the entrance and exit of the tunnel.

The lighting module is composed of a pulse trigger switch 15 and a COB-LED lighting module 16. The COB-LED lighting module 16 is powered by the original 220V AC power supply in the tunnel. The pulse trigger switch 15 is triggered by the high level of the control circuit. Through, the COB-LED lighting module 16 is energized to work.

What is not mentioned in the present invention is applicable to the prior art.

It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive, so the present invention includes and is not limited to the embodiments described in the specific implementation, and those skilled in the art according to the technology of the present invention Other implementations derived from the scheme also belong to the protection scope of the present invention.

Claims (7)

1. A super-long tunnel lighting intelligent energy-saving system based on wind power generation, characterized in that: it includes a wind power generation device, a single-chip microcomputer main control module, a photosensitive sensor, a ZigBee wireless transmission main module and lighting nodes distributed in the tunnel, each lighting node They are all composed of ZigBee wireless transmission sub-modules, pulse trigger switches and lighting modules. The main control module of the single-chip microcomputer is connected with the photosensitive sensor and the ZigBee wireless transmission main module. The photosensitive sensor is installed outside the tunnel to collect the light outside the tunnel. The data is sent to the single-chip main control module, and the single-chip main control module sends control commands to the lighting node according to the illumination data and through the ZigBee wireless transmission main module, and the lighting node works according to different lighting modes according to the control commands of the single-chip main control module; The wind power generation device is installed at the tunnel entrance for wind power generation and supplies power to the main control module, photosensitive sensor, ZigBee wireless transmission main module and ZigBee wireless transmission sub-module, and the pulse trigger switch of the lighting node and the lighting module are powered by AC power; the wind power The power generation device includes the main shaft of the fan blade, the fan blade, the upper tether, the lower tether, the casing and the supporting platform; The blade of the fan is made of elastic metal material and deforms at a certain angle under the action of the upper and lower bolts. The blade of the fan is driven by the wind to rotate and drives the main shaft of the fan blade to rotate; the connecting machine for the main shaft of the fan blade A wind power conversion module in the casing, the wind power conversion module outputs electric energy; the casing is installed on a support platform; The upper rope bolt includes an upper rope bolt fixing platform, an anti-skid leather pad, a pressure upper platform, a reversing wheel shaft, a winding wheel shaft, a first steel cable receiving shaft, a wheel shaft support rod, a locking knob, a threaded column and a reversing shaft support The fixed platform of the upper rope bolt is a T-shaped structure and rotates coaxially with the main shaft of the fan blade. The two thick and flexible steel cables in opposite directions rely on the winding wheel shaft to complete the direction fixation and wind with the steel cable. The pads work together, and the hollow part formed by it is used for the thick flexible steel cable to pass through, combined with the locking knob to lock on the threaded column, the thick flexible steel cable is locked on the upper rope bolt to fix the platform, after the thick flexible steel cable is locked The extra part is fixed by the first steel cable receiving shaft, which cooperates to complete the stable rotation of the single fan blade. The other two directions require the reversing axle to change the tensioning direction of the elastic steel cable. The reversing axle is fixed by the reversing shaft support frame. Tighten the fan blades in the other two directions, and the four fan blades are tightened by four thick flexible steel cables, so that the upper half of the fan blades can be elastically deformed according to the actual wind force; The lower rope bolt includes a lower rope bolt fixing platform, a reversing wheel shaft, a second steel cable receiving shaft, a fixing screw, a fixed pressure table and a reversing rotating shaft support frame; the lower rope bolt fixing platform rotates coaxially with the blade main shaft , the entire lower rope bolts are symmetrically arranged in four directions, the thin flexible steel cable is fixed by the reversing wheel shaft to complete the direction fixing and steel cable winding, the reversing rotating shaft is fixed and supported by the reversing rotating shaft support frame, and the fixing screw cooperates with the fixed pressure table When working, the hollow part of the thin flexible steel cable is passed through, the fixing screw is locked, the thin flexible steel cable is locked on the fixed pressure table, and the redundant part of the thin flexible steel cable is locked by the second steel cable receiving shaft Fixed, with the stable rotation of the single blade, the four blades are tensioned by four thin flexible steel cables, so that the lower half of the blade can be elastically deformed according to the actual wind conditions. 2. The intelligent energy-saving system for extra-long tunnel lighting based on wind power generation according to claim 1, characterized in that: the deformation angle of the upper half of the fan blade is 35°; the deformation angle of the lower half of the fan blade is -24 degrees. 3. The intelligent energy-saving system for extra-long tunnel lighting based on wind power generation according to claim 1, characterized in that: the wind power conversion module includes a gearbox, a generator set, a battery module and a voltage conversion module; There are fixed low-speed shafts, low-speed gears, medium-speed shafts, medium-speed gears with few teeth, medium-speed multi-tooth gears, high-speed shafts, high-speed gears and couplings; The gears are located on the low-speed shaft, and the low-speed gears are matched with the medium-speed few-tooth gears. The transmission ratio is 7:2, which drives the medium-speed few-tooth gears to rotate. The positions are all coaxially rotated around the medium-speed shaft, and the gears are matched between the medium-speed multi-tooth gear and the high-speed gear. The transmission ratio is 7:4, which drives the high-speed gear to rotate. The high-speed gear is located on the high-speed shaft. Rotate at high speed, output the high speed to the rotor shaft through the coupling, the generator rotor is connected to the rotor shaft and rotate at the same high speed, the generator set transmits electric energy to the battery module through the power transmission module, and the voltage conversion module passes through The wire is connected to the battery module, and the battery module transmits the electric energy to the voltage conversion module and is converted by the voltage converter module to output a stable 5V control voltage. 4. The intelligent energy-saving system for extra-long tunnel lighting based on wind power generation according to claim 1, characterized in that: the generator set is a three-phase asynchronous motor. 5. The intelligent energy-saving system for extra-long tunnel lighting based on wind power generation according to claim 1, characterized in that: the supporting platform includes a platform lower support frame, a platform upper support frame, a platform fixing screw, a platform fixing nut and a platform fixing base , the upper end of the support frame on the platform and the casing are fixed on the instrument, the lower end of the support frame on the platform and the lower support frame of the platform are installed together through platform fixing screws and platform fixing nuts, the lower support frame of the platform is fixed on the platform fixing base, fixed on the platform The base is provided with screw holes for installing the wind power generation device. 6. The intelligent energy-saving system for extra-long tunnel lighting based on wind power generation according to any one of claims 1 to 5, characterized in that: the wind power generation device is installed upside down directly above the entrance of the tunnel, and its installation angle is 15 degrees . 7. The intelligent energy-saving system for super-long tunnel lighting based on wind power generation according to any one of claims 1 to 5, wherein the lighting module adopts a COB-LED lighting module.