CN115206116B - Traffic projection lamp system based on multiple clean energy sources - Google Patents

Abstract

The present invention relates to the field of projection lamps, in particular to a traffic projection lamp system based on multiple clean energy sources, comprising: a lamp post main body for installation on the roadside; a projection lamp set on the lamp post main body for projection; An energy device, arranged on the light pole, is used to provide electric energy for the projection lamp, wherein, the electric energy provided by the energy supply device for the traffic projection lamp system includes at least one of clean electric energy powered by solar energy, wind energy or vibration energy ;By setting up projection lamps to project various traffic lines, signs or prompts on the road, avoiding the use of paint or buried devices, so that there is no need to repeatedly deepen the color depth of the paint, and there is no need to manually perform paint work and buried The device works; the traffic indication projected by the projection lamp meets the needs of the traffic indication and saves the cost at the same time. Diversified clean energy power supply can effectively improve the stability and efficiency of power supply, and is also beneficial to reduce carbon emissions.

Description

A traffic projection lamp system based on multiple clean energy sources

technical field

The invention relates to the field of projection lamps, in particular to a traffic projection lamp system based on multiple clean energy sources.

Background technique

Aiming at the problems that traditional road markings are easy to wear and not eye-catching at night; the existing technologies are roughly divided into two categories, one is road markings made of paint, which will cause easy wear of paint and maintenance costs High-level problems, and it is inconvenient to operate every time the coating work is carried out; the other is to use buried light-emitting devices to display road markings. Higher, and buried devices are also inconvenient; all of the above methods have the problems of inconvenient installation and high cost.

On the other hand, with the global energy shortage, vigorously developing clean energy has become the consensus of all countries today. Among the existing clean energy sources, solar energy and wind energy are the most widely distributed, and they are high-quality renewable energy endowed by nature to human beings, which are deeply loved by people; in addition, there is also a large amount of mechanical energy in the environment. The mechanical energy will be dissipated in vain, and the use of piezoelectric effect to generate electricity can convert the mechanical energy in the environment into electrical energy, so it is also a very promising way of generating clean energy; while the existing roadside projection lamps are all through the electric field Non-clean energy power supply mode for power supply.

Therefore, there are also defects in the prior art and need to be improved.

Contents of the invention

In order to solve the above problems, the object of the present invention is to provide a traffic projection lamp system to solve the problems of inconvenient setting of the existing traffic road signs, high cost and non-clean energy power supply.

The purpose of the present invention is achieved by the following technical solutions:

The present invention provides a traffic projection lamp system based on multiple clean energy sources, including:

Light pole main body, used for installation on the roadside;

The projection lamp is slidably arranged on the main body of the lamp pole, and is used to emit projection onto the road surface;

The energy supply device is connected with the projection lamp arranged on the main body of the light pole, connected with the projection lamp, and used to provide electric energy for the traffic projection lamp system, wherein, the electric energy provided by the energy supply device for the traffic projection lamp system includes solar power supply, wind energy power supply or At least one of cleaning electrical energy powered by vibrational energy.

Further, the energy supply device includes:

The road surface vibration piezoelectric power generation device is installed on the main body of the light pole or on the road near the main body of the light pole, and is used to collect vibration energy for power generation, so as to supply power for the traffic projection light system;

The solar power generation device is installed on the main body of the light pole, and is used to collect solar energy for power generation and power the traffic projection light system;

The wind-induced vibration piezoelectric power generation device is arranged on the main body of the light pole, and is used to generate power by collecting wind energy to supply power for the traffic projection light system.

Further, the road vibration piezoelectric power generation device includes:

A housing, the housing is provided with a cavity for placing the functional components of the road surface vibration piezoelectric power generation device;

The circuit board is arranged in the cavity of the housing;

A plurality of first piezoelectric sheets are arranged in the cavity of the casing, and the first piezoelectric sheets are connected to the circuit board;

A plurality of rubber blocks are arranged in the cavity of the housing, the plurality of rubber blocks correspond to the plurality of first piezoelectric sheets one by one, and the rubber blocks are all located directly above the first piezoelectric sheets;

The positioning partition is arranged in the cavity of the housing and positioned on the bottom plate. The positioning partition is provided with a number of partition holes corresponding to several rubber blocks. The partition holes of the positioning partition are used to be sleeved on the rubber blocks. , to position the rubber block.

Further, several road surface vibration piezoelectric power generating devices are provided, and several road surface vibration piezoelectric power generating devices are arranged in parallel with each other. The unit group supplies power to the traffic projector light system.

Further, the wind-induced vibration piezoelectric power generation device includes:

The supporting structure is arranged on the main body of the light pole, and the inside of the supporting structure is arranged in a cavity;

The wind collecting structure is set on the support structure, the wind collecting structure includes an air inlet and a vent connected with the air inlet, the direction of the air inlet is set along the circumferential direction of the wind collecting structure, the supporting structure is provided with an air outlet, and the air outlet is connected to the air inlet The ventilation openings of the wind collecting structure are connected;

The blade structure includes a rotating shaft and blades arranged on the rotating shaft. The rotating shaft is rotatably arranged at the vent of the wind collecting structure. The first magnets are evenly arranged around the circumference of the rotating shaft;

A plurality of piezoelectric cantilever structures, the piezoelectric cantilever structures are all connected to the supporting structure, and are evenly arranged around the circumferential direction of the supporting structure, each piezoelectric cantilever structure is provided with a second piezoelectric sheet, and each second piezoelectric sheet is provided with a second piezoelectric sheet Two magnets, a plurality of second pressing pieces are evenly arranged around the circumference of the rotating shaft, so that the second magnets are evenly arranged around the circumference of the rotating shaft, and the first magnet and the second magnet are arranged oppositely.

Further, the main body of the light pole is also provided with a main control module, which is respectively connected with the projection lamp and the energy supply device, and is used to control the projection lamp to play different traffic signs and control the operation of the energy supply device.

Further, the traffic projection lamp system also includes an energy storage device capable of storing electric energy. The energy storage device is arranged on the main body of the light pole. The solar power generation device, the wind-induced vibration piezoelectric power generation device and the road surface vibration piezoelectric power generation Connect to supply power or charge the energy storage device, and the energy storage device is connected to the projection lamp.

Furthermore, the traffic projection lamp system also includes an energy collection processing circuit for rectifying, filtering and stabilizing the current. The wind-induced vibration piezoelectric power generation device and the road surface vibration piezoelectric power generation device are respectively connected to the energy collection processing circuit. The collection and processing circuit is connected to the energy storage device, and the wind-induced vibration piezoelectric power generation device and the road surface vibration piezoelectric power generation device respectively supply power or charge the energy storage device through the energy collection and processing circuit.

Furthermore, several solar power generating devices are provided, and several solar power generating devices are provided on the top of the light pole main body.

Further, the traffic projection lamp system also includes:

The perception module is used to collect the data of humidity, temperature, light brightness and wind power series around the projection lamp, and the perception module is connected with the main control module;

The information display module is connected with the main control module, and the information display device is used to display the data collected by the perception module;

The communication module is used for communicating with the remote communication equipment;

The power management module is respectively connected with the energy storage device, the main control module, the perception module, the communication module, the projection lamp, and the information display module. Display module power supply.

The traffic projection lamp system based on multiple clean energy sources of the present invention includes: a lamp post main body; a projection lamp arranged on the lamp post main body for projection; an energy supply device arranged on the lamp post main body and the road surface near the lamp post main body It is electrically connected with the projection lamp to collect clean energy in the environment to provide power for the projection lamp; by setting the projection lamp to project various traffic lines, signs or prompts on the road, avoiding the use of paint or buried devices In this way, there is no need to repeatedly deepen the color depth of the paint, and there is no need to manually perform paint work and buried device work; the traffic instructions projected by the projection lamp meet the needs of traffic instructions, and at the same time realize low-carbon environmental protection and cost savings.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the present invention and constitute a part of the application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations to the present invention. In the attached picture:

Fig. 1 is a schematic structural diagram of a traffic projection lamp system based on multiple clean energy sources of the present invention;

Fig. 2 is a schematic diagram of the traffic projection lamp system based on multiple clean energy sources of the present invention;

Fig. 3 is a structural diagram of the road surface vibration piezoelectric power generation device of the present invention;

Fig. 4 is a cross-sectional view of the road surface vibration piezoelectric power generation device of the present invention;

Fig. 5 is a schematic diagram of the force of the road surface vibration piezoelectric power generation device of the present invention;

Fig. 6 is a schematic diagram of the connection of the road surface vibration piezoelectric power generation device of the present invention;

Fig. 7 is a buried schematic diagram of the road surface vibration piezoelectric power generation device of the present invention;

Fig. 8 is a structural diagram of a wind-induced vibration piezoelectric power generation device of the present invention;

Fig. 9 is a cross-sectional view of the wind-induced vibration piezoelectric power generation device of the present invention;

Figure 9-1 is a partial enlarged view of the wind-induced vibration piezoelectric power generation device of the present invention;

Fig. 10 is a partial schematic diagram of the magnet installation method in the wind-induced vibration piezoelectric power generation device of the present invention;

Fig. 11 is a schematic diagram of the traffic projection effect of the present invention.

Wherein the reference signs are: 1-light pole main body, 2-projection lamp, 3-energy supply device, 4-solar power generation device, 5-road vibration piezoelectric power generation device, 6-wind-induced vibration piezoelectric power generation device, 7-rod Arm, 8-main control module, 9-perception module, 10-information display module, 11-energy collection and processing circuit, 12-energy storage device, 13-power management module, 14-communication module, 15-support rod, 16- track;

501-bottom plate, 502-cover plate, 503-circuit board, 504-first piezoelectric sheet, 505-positioning partition, 506-rubber block, 507-limiting seal;

601-support structure, 602-wind collection structure, 603-air inlet, 604-vent, 605-blade, 606-rotating shaft, 607-first magnet, 608-piezoelectric cantilever structure, 6091-piezoelectric mass block, 6092-Piezoelectric sheet fixing block, 610-Second magnet, 611-Second piezoelectric sheet, 612-Air outlet, 613-Wind plate, 614-Shell, 615-Piezoelectric part, 616-Blade installation structure.

Detailed ways

In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

The buried light-emitting device shows road markings, and the installation of the light-emitting device is inconvenient, and the equipment is easily damaged, which makes the cost higher, and the buried device is also inconvenient. Moreover, the existing roadside projection lamps are powered by a non-clean energy power supply method through an electric field, and the power generation method is likely to cause pollution to the environment.

The purpose of the present invention is to overcome the shortcomings and deficiencies of the prior art, and provide a traffic projection lamp system based on multiple clean energy sources, which can generate electricity by mixing three clean energy sources: solar energy, wind energy, and road surface vibration mechanical energy, to provide power for the traffic projection system. The invention effectively solves the problems of inconvenient setting and high cost of the existing traffic road indication signs, and the energy used is green and environment-friendly, meets the requirements of energy saving and emission reduction, and conforms to the national "double carbon" strategy.

As shown in Figure 1 and Figure 2, a traffic projection lamp system based on multiple clean energy sources according to an embodiment of the present invention includes:

Light pole main body 1, for installation on the roadside;

The projection lamp 2 is slidably arranged on the main body 1 of the lamp pole, and is used to emit projection onto the road surface;

The energy supply device 3 is connected with the projection lamp 2 on the lamp pole main body 1, and is used to provide electric energy for the projection lamp system, wherein, the electric energy provided by the energy supply device 3 for the traffic projection lamp system includes solar power supply, wind energy power supply or vibration energy power supply At least one of the cleaning electric energy.

By setting the projection lamp 2 to project various traffic lines, signs or prompts on the road, the method of using paint or buried devices is avoided, so that there is no need to repeatedly deepen the color depth of the paint, and there is no need to manually perform paint work and buried The device works; the traffic indication projected by the projection lamp 2 satisfies the needs of the traffic indication, and at the same time realizes low-carbon environmental protection and cost saving.

This application projects various pseudo 3D patterned traffic instructions on the road through the projection lamp 2. Referring to FIG. 11 , various bright and clear traffic signs are projected by the projection device, so as to enhance the vigilance of drivers and pedestrians at night and reduce the occurrence of traffic accidents; For example, zebra crossings, speed limit signs, road speed bumps, etc.; the projected indication patterns will not be like paint lines, and the clarity will be damaged after a long time; there is no need to bury some light-emitting devices underground to display road markings; so , which greatly saves material, equipment and labor costs.

In the embodiment, the light pole main body 1 is also provided with a main control module 8, the main control module 8 is respectively connected with the projection lamp 2 and the energy supply device 3, and is used to control the projection lamp 2 to play different traffic signs and control the operation of the energy supply device 3. run. The energy supply device 3 is connected to the main control module 8, the main control module 8 is connected to the projection lamp 2, the energy supply device 3 supplies power to the projection lamp 2 through the main control module 8, and the main control module 8 can control the projection lamp 2, including controlling The projection lamp 2 is turned on and off, the brightness of the projection lamp 2 is controlled, and the projection lamp 2 is controlled to change the projected image.

The main control module 8 also controls the energy supply device 3 including the solar power generation device 4, the wind-induced vibration piezoelectric power generation device 6 and the road surface vibration piezoelectric power generation device 5, and the main control module 8 can choose to control any one of them to perform energy supply work, or control Multiple start-up and energy supply work at the same time; the communication connection between the main control module 8 and the control center facilitates the remote operation of the projection lamp 2 .

In the embodiment, the lamp post main body 1 is provided with a rod arm 7 extending from the lamp post main body 1, and the projection lamp 2 is arranged on the rod arm 7; through the extended rod arm 7, the projection lamp 2 can be projected to a farther position , while the projection lamp 2 can also select a better projection position according to the length of the lever arm 7 . A track 16 is arranged on the light pole main body 1 , and the pole arm 7 is set on the track 16 and can move along the track 16 . By moving the lever arm 7 up and down along the track 16, the distance between the lever arm 7 and the ground is changed to meet the use requirements of the lever arm 7 at different heights. The light pole main body 1 includes a support pole 15 fixed on the ground, and the energy storage device 12 can be built in the support pole 15 .

In an embodiment, the energy supply device 3 includes:

The road surface vibration piezoelectric power generation device 5 is arranged on the light pole main body 1 or on the road surface near the light pole main body 1, and is used to collect vibration mechanical energy on the road for power generation, so as to supply power for the traffic projection lamp system;

The solar power generation device 4 is arranged on the main body of the light pole 1, and is used to collect solar energy for power generation, and to supply power for the traffic projection lamp system;

The wind-induced vibration piezoelectric power generation device 6 is arranged on the main body 1 of the light pole, and is used to generate power by collecting wind energy and supplying power to the traffic projection light system.

The distance between the energy supply device 3 and the light pole main body 1 can be set as required, and connected to the projection lamp 2 through a corresponding length of wire. Under the road, a road vibration piezoelectric generator 5 can be arranged to collect vibration energy, and a wire greater than ten meters can be used to connect the road vibration piezoelectric generator 5 and the projection lamp 2 to supply power for the projection lamp. In addition, according to the width of the road, the road surface vibration piezoelectric generator 5 is also buried in a place less than or greater than ten meters away from the lamp post main body 1, and the road surface vibration piezoelectric generator 5 is connected to the projection lamp 2 with a corresponding length of wire. Similarly, the solar power generation device 4 and the wind-induced vibration piezoelectric power generation device 6 can be installed on the light pole main body 1 or on the road near the light pole main body 1 to collect corresponding energy.

Three kinds of clean energy power generation devices are adopted in the present invention, the road vibration piezoelectric power generation device 5, the solar power generation device 4 and the wind-induced vibration piezoelectric power generation device 6 are all pollution-free clean energy power generation modules, which provide energy for the entire traffic projection lamp system . Vibration mechanical energy, wind energy and solar power generation devices constitute multiple power supply methods. Any of the three power supply methods can supply power to the traffic projection lamp system. When one of them is damaged, effective power supply cannot be performed, and the other two will not be affected The traffic projection lamp system is powered, thus forming a flexible power supply system.

In the embodiment, the traffic projection lamp system also includes an energy storage device 12 capable of storing electric energy. The energy storage device 12 is arranged on the light pole main body 1. The solar power generation device 4, the wind-induced vibration piezoelectric power generation device 6 and the road surface vibration piezoelectric power generation device The devices 5 are respectively connected to the energy storage device 12 to charge the energy storage device 12 , and the energy storage device 12 is connected to the projection lamp 2 . The energy supply device 3 is set to charge the power storage device 10 , and the energy storage device 12 supplies power to the projection lamp 2 . When the energy storage device 12 is too worn out to continue to be used, a new energy storage device 12 can be replaced.

In addition, if the energy supply device 3 directly supplies power to the projection lamp 2, the power supply of the energy supply device 3 may be unstable, which may easily cause damage to the projection lamp 2; Overload, or the unstable voltage from the energy supply device 3 fluctuates up and down, which will not only cause excessive loss of the projection lamp 2, but also make the use of the projection lamp 2 unstable. The way that the energy storage device 12 is charged by the energy supply device 3 and the energy storage device 12 supplies power to the projection lamp 2 reduces the risk of damage or loss of the projection lamp 2 caused by the energy supply device 3 directly supplying power to the projection lamp 2 .

Preferably, the energy storage device 12 is installed inside the light pole main body 1, and is located at the near-ground end of the light pole main body 1; the solar power generation device 4, the wind-induced vibration piezoelectric power generation device 6 and the road surface vibration piezoelectric power generation device 5 are all connected by wires Connect with energy storage device 12. The energy storage device 12 is arranged inside the light pole main body 1, which can effectively protect the energy storage device 12, and is arranged near the ground for easy replacement. The energy storage device 12 can be configured as a storage battery or a supercapacitor with a large capacity.

In the embodiment, the output of piezoelectric power generation is alternating current, which needs to be rectified, filtered, and voltage stabilized to output a relatively stable direct current voltage. In order to enable the energy supply device 3 to provide a stable DC voltage for the projection lamp 2, an energy collection and processing circuit 11 for rectifying, filtering and stabilizing the current is provided; the wind-induced vibration piezoelectric power generation device 6 and the road surface vibration piezoelectric power generation The devices 5 are respectively connected to the energy collection processing circuit 11 , and the energy collection processing circuit 11 is connected to the energy storage device 12 . Wind-induced vibration piezoelectric generator 6 and road surface vibration piezoelectric generator 5 charge energy storage device 12 through energy collection processing circuit 11 respectively; The current is rectified, so in the specific implementation process, it can be selected whether the solar power generation device 4 is connected to the energy collection processing circuit 11 or not according to specific conditions.

The current generated by the energy supply device 3 is processed by the energy collection processing circuit 11 so as to provide a stable current for the energy storage device 12 , which can effectively avoid excessive loss of the energy storage device 12 .

The energy collection processing circuit 11 includes:

The rectification circuit is used for rectifying the current output by the energy supply device 3 .

The filtering circuit is connected with the rectifying circuit, and is used for filtering the current processed by the rectifying circuit.

The voltage stabilizing circuit is connected with the filter circuit, and is used for problem-processing the current processed by the filter circuit, so that the energy collection processing circuit 11 outputs a stable DC voltage.

With reference to Fig. 2 and Fig. 6, in order to increase power generation efficiency, several road surface vibration piezoelectric generators 5 are arranged, and several road surface vibration piezoelectric generators 5 are arranged in parallel with each other, and several road surface vibration piezoelectric generators 5 after paralleling constitute A road surface vibration piezoelectric power generation device group, the road surface vibration piezoelectric power generation device group is connected with the energy storage device 12, and the traffic projection lamp system is powered by the energy storage device 12.

The road surface vibration piezoelectric generator 5 adopts a modular design, and a road vibration piezoelectric generator group is formed by eight road surface vibration piezoelectric generators 5, and the eight road surface vibration piezoelectric generators 5 are circuit connected in parallel. Concentrate the energy, and then input the concentrated energy into the energy storage device 12 of the traffic projection lamp system, so as to supply power for various electric loads of the traffic projection lamp system.

The road surface vibration piezoelectric power generation device 5 is suitable for laying on flexible roads, and asphalt roads are a typical representative of flexible roads, so they are generally installed on asphalt roads. After the pavement vibrating piezoelectric generator 5 is laid, the layers of the road from top to bottom are: asphalt pavement, pavement vibrating piezoelectric generator 5 , concrete pavement, lime soil layer, and base layer. Refer to FIG. 7 . The pavement vibrating piezoelectric generating device 5 has a square flat structure in appearance, and its thinner thickness is convenient for laying on the pavement. Each device has a wire hole as an electrical energy output port.

Referring to Fig. 2 to Fig. 5, the road surface vibration piezoelectric generator 5 includes:

A housing, the housing is provided with a cavity for placing the functional components of the road vibration piezoelectric power generation device 5;

The circuit board 503 is arranged in the cavity of the casing;

Several first piezoelectric sheets 504 are arranged in the cavity of the casing, and the first piezoelectric sheets 504 are connected to the circuit board 503;

A plurality of rubber blocks 506 are arranged in the cavity of the casing, and the plurality of rubber blocks 506 are in one-to-one correspondence with the plurality of first piezoelectric sheets 604, and the rubber blocks 506 are all located directly above the first piezoelectric sheets 504;

The positioning partition 505 is arranged in the cavity of the housing and positioned on the bottom plate 501. The positioning partition is provided with a number of positioning holes corresponding to the rubber blocks 506. The positioning holes of the positioning partition 505 are used to be sleeved on the rubber block. On the block 506, the rubber block 506 is positioned.

The casing includes a bottom plate 501, a cover plate 502 and a limit seal 507. The cover plate 502 is closed on the bottom plate 501, and the limit seal 507 fastens the cover plate 502 to the bottom plate 501, so that the inside of the shell is formed to prevent road vibration. Cavity of the functional components of the piezoelectric generator 5 . The circuit board 503, the first piezoelectric sheet 504, the rubber block 506 and the positioning partition 505 are all located in the cavity; referring to FIG. The electric sheet 504 is set on the circuit board 503; the rubber block 506 is set on the first piezoelectric sheet 504; the positioning spacer 505 is sleeved on the rubber block 506 and pressed on the circuit board 503, so that the rubber blocks 506 are all positioned The rubber block 506 is positioned in the spacer hole of the spacer 505, and the protrusion on the periphery of the positioning spacer 505 is inserted into the groove of the bottom plate 501 to align the circuit board 503, the first piezoelectric sheet 504 and the rubber block 506. to locate.

Further, the circuit board 503 is provided with several piezoelectric sheet installation positions for placing the first piezoelectric sheet 504, and each piezoelectric sheet installation location can be used to install a first piezoelectric sheet 504; the positioning partition 505 The same number of spacer holes are arranged on the corresponding piezoelectric sheet installation positions, and the piezoelectric film installation positions, the first piezoelectric film 504 and the spacer holes are set in one-to-one correspondence; each spacer hole on the positioning spacer 505 is provided with The rubber block 506, as an elastic body, the rubber block 506 can be used to buffer the road load on it, and transmit part of the load downward to the first piezoelectric sheet 504, so that the first piezoelectric sheet 504 is deformed to generate pressure. The electrical effect converts mechanical energy into electrical energy.

In this embodiment, each road surface vibration piezoelectric generator 5 includes eight rubber blocks 506, eight first piezoelectric sheets 504, a circuit board 503, a positioning partition 505, a cover plate 502, and a base plate 501. A limit seal 507. Eight holes are respectively provided on the positioning spacer 505 and the circuit board 503 at corresponding positions. The hole (spacer hole) of the positioning spacer 505 has the same diameter as the rubber block 506 . The diameter of the hole (piezoelectric sheet mounting position) of the circuit board 503 is smaller than the outer diameter of the first piezoelectric sheet 504, and the first piezoelectric sheet 504 is placed directly above the aperture of the circuit board 503, considering that the circuit board 503 has a certain thickness , the first piezoelectric sheet 504 and the hole position of the circuit board 503 form a simply supported beam structure, see FIG. 5 .

The power generation principle of the road surface vibration piezoelectric power generation device 5 is: according to the positive piezoelectric effect, by applying an external force to the central area of the first circular piezoelectric sheet 504, the central area of the first piezoelectric sheet 504 is squeezed and deformed, thereby Charges are generated on the upper and lower surfaces of the first piezoelectric sheet 504 to achieve the purpose of converting mechanical energy into electrical energy. Referring to Fig. 5, the road surface vibration piezoelectric power generation device 5 is placed on the road. When a vehicle on the road passes above the device, the road surface vibration piezoelectric power generation device 5 is subjected to a load from top to bottom, and the upper cover plate 502 moves downward. , to squeeze the rubber blocks 506 to evenly distribute the load to the eight rubber blocks 506 . The rubber block 506 buffers and transfers part of the load to the first piezoelectric sheet 504, so that the first piezoelectric sheet 504 is deformed to generate electric energy.

Specifically, a positioning partition 505 is provided inside the road surface vibration piezoelectric power generation device 5 to ensure that the positions of the rubber block 506 , the first piezoelectric sheet 504 and the circuit board 503 are relatively fixed. The limit seal 507 effectively limits the limit position of the cover plate 502 moving up and down, thereby controlling the deformation of the first piezoelectric sheet 504 and protecting the first piezoelectric sheet 504 from being crushed due to excessive load and deformation. broken. In order to protect the circuit board 503 and the first piezoelectric sheet 504 from being damaged due to excessive load, the range of up and down movement of key components is restricted. When the load on the cover plate 502 is too large, the cover plate 502 deforms and moves downward to the maximum movable position, and the remaining load is borne by the housing and the positioning partition 505 of the entire road vibration piezoelectric generator 5 . The cover plate 502, the positioning partition plate 505, and the bottom plate 501 are all made of high-strength steel plates, which can bear the driving load on the road.

Referring to FIG. 1 , several solar power generating devices 4 are included, and several solar power generating devices 4 are arranged on the top of the light pole main body 1 . Several solar power generation devices 4 are arranged on the top of the light pole main body 1 without overlapping, that is, viewed from the projection direction of the light pole main body 1, there is no overlapping part between the solar power generation devices 4, so that certain parts of the solar power generation devices 4 are prevented from being damaged. Being exposed to sunlight is beneficial for the solar power generation device 4 to be exposed to sunlight as much as possible and perform photovoltaic power generation. The solar power generation device 4 that is too low may be blocked by surrounding obstacles, which is not conducive to light energy conversion; the solar power generation device 4 is arranged on the top of the light pole main body 1 to prevent the solar power generation device 4 from being blocked by other objects. effect.

Referring to Figures 8 to 10, the wind-induced vibration piezoelectric generator 6 includes:

The support structure 601 is arranged on the light pole main body 1, and the inside of the support structure 601 is arranged as a cavity;

The wind collecting structure 602 is rotatably arranged on the support structure 601. The wind collecting structure 602 includes an air inlet 603, an air duct and a vent 604 connected in sequence. There are several air inlets 603, and several air inlets 603 are arranged along the The wind structure 602 is arranged in the circumferential direction, the support structure 601 is provided with an air outlet 612, and the air outlet 612 communicates with the air outlet 604 of the wind collecting structure 602;

The blade structure includes a rotating shaft 606 and a blade 605 arranged on the rotating shaft 606. The rotating shaft 606 is rotatably arranged at the vent 604 of the wind collecting structure 602, the vent 604 of the wind collecting structure 602 faces the blade 605, and the rotating shaft 606 is away from the blade 605 One end of the first magnet 607 is provided with a plurality of first magnets 607, and the plurality of first magnets 607 are evenly arranged around the circumference of the rotating shaft 606;

A plurality of piezoelectric cantilever structures 608, the piezoelectric cantilever structures 608 are connected to the support structure 601 through the piezoelectric plate fixing block 6092, and are evenly arranged around the circumferential direction of the support structure 601, each piezoelectric cantilever structure 608 is provided with a second piezoelectric piece 611, the free end of the piezoelectric cantilever structure 608 is provided with a piezoelectric sheet quality block 6091 and a second magnet 610, and several second piezoelectric sheets 611 are evenly arranged around the circumference of the rotating shaft 606, so that the second magnet 610 is evenly arranged around the circumference of the rotating shaft 606 Arrangement, the first magnet 607 is opposite to the second magnet 610 .

Specifically, the wind collecting structure 602 can be disassembled by turning, so as to replace the internal structure of the wind collecting structure 602 after disassembly. Referring to FIG. 9 , the air inlet 603 of the wind collecting structure 602 is oriented along the circumferential direction of the wind collecting structure 602 . The wind collecting structure 602 can be rotated manually, or can be controlled by remote control to rotate the wind collecting structure 602 .

The wind collecting structure 602 includes an air inlet, a ventilation part and an air outlet. The air inlet 603 of the wind collecting structure 602 is arranged on the air inlet, and the vent 604 of the wind collecting structure 602 is located on the ventilation part. The air outlet 612 is located on the air outlet part; the air inlet part includes two horn structures stacked up and down at intervals, the lower horn structure is connected to the ventilation part, and the lower horn structure and the upper horn structure are connected by several wind plates 613. The plate 613 is arranged vertically between the upper horn structure and the lower horn structure, and evenly arranged along the circumferential direction of the air inlet part. In addition, several wind panels 613 are arranged at intervals to divide the air inlet 603 into several small air outlets. According to the principle of wind force, when the total wind force is constant, the smaller the tuyere, the greater the wind pressure. For example, similar to the water outlet of a water pipe, when the total water output remains the same, reducing the water outlet of the water pipe will increase the water pressure, which in turn will increase the impact of the sprayed water. In the same way, the air inlet 603 is divided into several small air outlets. When the total wind force of the outside world remains unchanged, the small air outlets will increase the wind pressure entering the wind collecting structure 601, so that a greater wind force can be generated from the air outlet 604. The blades 605 are blown.

A blade mounting structure 616 is provided at the vent 604 of the ventilation part of the wind collecting structure 602. Referring to FIG. 9-1, the rotating shaft 606 passes through the blade mounting structure 616, and the end of the rotating shaft 606 away from the air inlet 603 is provided with a first magnet 607. The end of the rotating shaft 606 away from the first magnet 607 is provided with a blade 605 , and the first magnets 607 are evenly arranged around the circumferential direction of the rotating shaft 606 . The wind collecting structure 602 also includes a piezoelectric part 615 connected to the ventilation part, and the piezoelectric part 615 is used for installing the piezoelectric cantilever structure 608 , and the piezoelectric cantilever structure 608 is evenly arranged around the circumferential direction of the rotating shaft 606 . Each piezoelectric cantilever structure 608 is provided with a second magnet 610 opposite to the first magnet 607 , referring to FIG. 10 , the first magnet 607 is located in the middle of the second magnet 610 , and the second magnets 610 are uniformly arranged around the first magnet 607 . The air inlet part, the ventilation part and the piezoelectric part 615 of the wind collecting structure 602 are sealed and connected; the supporting structure 601 is provided with a casing 614, one end of the casing 614 is connected to the supporting structure 601, and the other end is connected to the inlet of the wind collecting structure 602. The wind part is connected; the ventilation part and the piezoelectric part 615 of the wind collection structure 602 are located in the housing 614 ; the air outlet part of the wind collection structure 602 is located on the support structure 601 .

In this embodiment, the number of blades 605 is five. In another embodiment, the number of blades 605 can be increased or decreased as needed; the number of first magnets 607 is three. In another embodiment, the number of first magnets 607 The number of the second piezoelectric sheets 611 can be increased or decreased as required; the number of the second piezoelectric sheets 611 is four. In another embodiment, the number of the second piezoelectric sheets 611 can be increased or decreased as required.

The air inlet 603 of the wind collection structure 602 is used to collect wind force, and the blade 605 is rotated after the wind flows into the ventilation part, and the rotation of the blade 605 drives the first magnet 607 at the end of the rotating shaft 606 to rotate together, and the first magnet 607 is free from the piezoelectric cantilever structure 608 The second magnet 610 on the end interacts to make the second piezoelectric sheet 611 swing back and forth, thereby generating deformation and generating electric energy.

The piezoelectric cantilever structure 608 includes a piezoelectric sheet quality block 6091 and a piezoelectric sheet fixed block 6092, the second piezoelectric sheet 611 is arranged between the piezoelectric sheet mass block 6091 and the piezoelectric sheet fixed block 6092, and each piezoelectric cantilever structure The piezoelectric sheet fixing block 6092 in 608 is installed in the piezoelectric part 615, and the piezoelectric sheet mass block 6091 is used to install the second magnet 610 (one side of the piezoelectric sheet mass block 6091 is the free end of the piezoelectric cantilever structure 608). When the blade 605 drives the first magnet 607 to rotate, a magnetic force will be generated between the first magnet 607 and the second magnet 610, so that the piezoelectric piece mass 6091 at the free end drives the second piezoelectric piece 611 to deform, and the second piezoelectric piece The sheet 611 generates electricity by being deformed.

Referring to Figure 1 and Figure 2, a traffic projection light system based on multiple clean energy sources also includes:

The perception module 9 is used to collect the data of humidity, temperature, light brightness and wind power series around the projection lamp 2, and the perception module 9 is connected with the main control module 8;

The information display module 10 is connected with the main control module 8, and the information display module 10 is used to display the data collected by the sensing module 9;

The communication module 14 is used for communicating with the remote communication equipment;

The power management module 13 is respectively connected with the energy storage device 12, the main control module 8, the sensing module 9, the communication module 14, the projection lamp 2, and the information display module 10, and the energy storage device 12 communicates with the main control module 8, The perception module 9, the communication module 14, the projection lamp 2, and the information display module 10 supply power. By setting in the power management module 13, the power supply of the main control module 8 or the projection lamp 2 can be controlled, and whether the power is turned off or not.

Specifically, the electrical load in the present invention includes a main control module 8 , a sensing module 9 , a communication module 14 , a projection lamp 2 , and an information display module 10 . The perception module 9 includes various sensors installed on the light pole main body 1, including an ambient temperature sensor, an ambient humidity sensor, a photosensitive sensor, a wind sensor, and an RSU in the intelligent traffic vehicle-road coordination system. The wind sensor is used to sense the current wind level.

The light pole main body 1 is provided with a photosensitive sensor connected to the main control module 8. The photosensitive sensor senses the light intensity, and the main control module 8 controls the light intensity of the projection lamp 2 according to the light intensity sensed by the photosensitive sensor; Different, so the traffic signs that need to be played by the projection lamp 2 will be affected by sunlight; at night, the traffic signs will be very obvious, but in the daytime it will be weaker; therefore, according to the intensity of sunlight received by the photosensitive sensor, the projection lamp 2 will play The light intensity of traffic image signs can be adjusted according to the intensity of sunlight; the brightness of the projection lamp 2 is set to different levels, the higher the level, the stronger the brightness; when the photosensitive sensor detects that the current intensity of sunlight is stronger, it is controlled by the main control module 8 The projection lamp 2 emits a higher level of light intensity to make the traffic sign image clearer; if it is at night, according to the detection of the photosensitive sensor, the light level of the projection lamp 2 can be controlled to be changed to a lower level to save electric energy.

In addition, the light pole main body 1 is also provided with a humidity sensor. By installing a photosensitive sensor, a humidity sensor, etc. on the light pole to sense the road environment, environmental information can be used to control the projection device to achieve efficient use of energy.

The main control module 8 mainly refers to a single-chip microcomputer, which is used to receive and process data information from the perception module 9, and output the perceived data information such as ambient temperature, ambient humidity, light, wind power, etc. to the information display module 10. The middle RSU data information is output to the vehicle OBU. The information display module 10 is installed on the light pole main body 1, and is used for displaying various data information to be displayed to people.

The communication module 14 mainly refers to wireless communication equipment, which is used for wireless transmission of information among people, vehicles, roads, environments, and clouds. Module 8 connects the modules for control.

In this application, a solar power generation device 4 that can convert solar energy into electric energy is installed on the light pole main body 1, and the solar power generation device 4 is connected with the energy storage device 12 to charge the energy storage device 12; A wind-induced vibration piezoelectric generator 6 converted into electrical energy, the wind-induced vibration piezoelectric generator 6 is connected to the energy storage device 12 to charge the energy storage device 12; Kinetic energy is converted into the road surface vibration piezoelectric generator 5 of electric energy, and the road surface vibration piezoelectric generator 5 is connected with the energy storage device 12 to charge the energy storage device 12; through the solar power generator 4, wind-induced vibration piezoelectric generator 6 and road vibration The piezoelectric power generation device 5 collects various available new energy sources, and charges the collected energy for the energy storage device 12; , completely for the use of green energy, to achieve energy saving and emission reduction, and reduce environmental pressure.

In addition, equipment such as street lamps and electronic monitoring can be installed on the pole arm 7, and then clean energy can be collected through the solar power generation device 4, wind-induced vibration piezoelectric power generation device 6 and road surface vibration piezoelectric power generation device 5 to provide power for street lamps or electronic monitoring equipment. .

In some embodiments, the projection lamp 2 is provided with a variety of projection pattern glass slides, which can be switched, and the lamp beads in the projection lamp 2 are projected by illuminating the projection pattern glass slides; for example, in the projection lamp 2. Set the zebra crossing structure identification pattern glass slide, speed limit digital structure identification pattern glass slide or road deceleration belt structure identification pattern glass slide, and the light illuminates the zebra crossing structure identification pattern glass slide, speed limit digital structure identification pattern glass slide or road deceleration belt Structural identification pattern glass slides can correspondingly present zebra crossing signs, speed limit digital signs or road speed bump signs; a micro motor is set in the projection lamp 2, and after the micro motor is started, it can drive switching between different projection pattern slides .

The above is the projection structure of the physical structure. In other embodiments, the projection sign of the traffic road can also be an image played; the main control module 8 is arranged on the light pole main body 1, and the main control module 8 is connected with the projection lamp 2 and the energy supply device respectively. 3 connection, used to control the operation of the projection lamp 2 and the energy supply device 3; the main control module 8 communicates with the control center, and the control center directly sends different traffic signs to the main control module 8 of the projection lamp, and plays them through the projection lamp 2 Pseudo 3D projection traffic signs are produced to create visual effects to replace traditional signs at night and enhance alertness; this method avoids the design of the structure, and is faster and more convenient than the sign switch of the projection structure, and the cost is also lower; In addition, a storage module is provided in the main control module 8, and the storage module stores a variety of traffic images with different signs. Through the setting of the main control module 8, the main control module 8 controls the projection lamp 2 to play different traffic image signs.

Referring to FIG. 11 , the speed bumps and crosswalks in the figure are examples of projection effects of the traffic projection light system, and practical applications are not limited to these patterns. The common point is that the present invention provides a pseudo 3D effect, which can greatly improve the warning effect to the driver compared with the 2D pattern.

Further, the light pole main body 1 is also provided with a voice broadcast system for broadcasting information. The voice broadcast system is connected to the control center in communication, which can remind the disabled to pay attention to safety and broadcast some important messages; set up a one-key alarm system, one-key alarm system Communication connection with the control center, by pressing a key to the alarm system, the information can be transmitted to the control center, emergency situations can be called for help, and can be automatically positioned according to the projection lamp.

This application uses the projection lamp 2 to emit pseudo 3D traffic sign patterns, projects the required traffic signs onto the road surface, and automatically adjusts the brightness according to the information transmitted by various environmental sensors; Energy improves the adaptability of the energy supply device 3 in different environments, and the whole system is integrated into a light pole main body 1 to realize self-power supply, self-sensing and self-adjusting projection.

The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Claims (8)

1. A traffic projection lamp system based on multiple clean energy sources, characterized in that it comprises: Light pole main body, for installation on the roadside; Projection lamps, slidably arranged on the main body of the lamp pole, are used to emit projections onto the road surface; The energy supply device is connected with the projection lamp arranged on the main body of the light pole, and is used to provide electric energy for the traffic projection lamp system, wherein the electric energy provided by the energy supply device for the traffic projection lamp system includes At least one of solar powered, wind powered or vibration powered clean electrical energy; The energy supply device includes: A road surface vibration piezoelectric power generation device, which is arranged on the main body of the light pole or on the road near the main body of the light pole, is used to collect vibration energy for power generation, so as to provide power for the traffic projection lamp system; and/or, The wind-induced vibration piezoelectric power generation device is arranged on the main body of the light pole, and is used to generate power by collecting wind energy to supply power for the traffic projection lamp system; The road vibration piezoelectric power generation device includes: A housing, the housing is provided with a cavity for placing the functional components of the road surface vibration piezoelectric power generation device; a circuit board disposed in the cavity of the housing; A plurality of first piezoelectric sheets are arranged in the cavity of the housing, and the first piezoelectric sheets are connected to the circuit board; A plurality of rubber blocks are arranged in the cavity of the housing, and the plurality of rubber blocks are in one-to-one correspondence with the plurality of the first piezoelectric sheets, and the rubber blocks are all located directly above the first piezoelectric sheets ; The positioning partition is arranged in the cavity of the housing and positioned on the bottom plate of the housing. The positioning partition is provided with a number of partition holes corresponding to the rubber blocks. The positioning partition The partition hole of the plate is used to be sleeved on the rubber block to position the rubber block; The circuit board is provided with several piezoelectric sheet installation positions for placing the first piezoelectric sheet, and each piezoelectric sheet installation location can be used to install one of the first piezoelectric sheets; the positioning spacer The board is provided with the same number of partition holes corresponding to the installation position of the piezoelectric sheet, and the installation position of the piezoelectric sheet, the first piezoelectric sheet and the partition hole are arranged in one-to-one correspondence; The wind-induced vibration piezoelectric power generation device includes: A supporting structure is arranged on the main body of the light pole, and the inside of the supporting structure is arranged as a cavity; The wind collection structure is arranged on the support structure, the wind collection structure includes an air inlet and a vent communicating with the air inlet, and the direction of the air inlet is set along the circumferential direction of the wind collection structure, so An air outlet is provided on the support structure, and the air outlet communicates with the air outlet of the wind collecting structure; The blade structure includes a rotating shaft and blades arranged on the rotating shaft, the rotating shaft is rotatably arranged at the vent of the wind collecting structure, the vent of the wind collecting structure faces the blade, and the rotating shaft is away from One end of the blade is provided with a plurality of first magnets, and the plurality of first magnets are evenly arranged around the circumference of the rotating shaft; A plurality of piezoelectric cantilever structures, the piezoelectric cantilever structures are all connected to the support structure and uniformly arranged around the circumference of the support structure, each of the piezoelectric cantilever structures is provided with a second piezoelectric sheet, each The second piezoelectric sheet is provided with a second magnet, and a plurality of the second piezoelectric sheets are evenly arranged around the circumference of the rotating shaft, so that the second magnets are evenly arranged around the circumference of the rotating shaft, and the first magnet and the rotating shaft are evenly arranged. The second magnet is relatively arranged; The piezoelectric cantilever structure includes a piezoelectric sheet quality block and a piezoelectric sheet fixed block, the second piezoelectric sheet is arranged between the piezoelectric sheet mass block and the piezoelectric sheet fixed block, and each of the The piezoelectric sheet fixing block in the piezoelectric cantilever structure is installed on the wind collecting structure, the piezoelectric sheet mass block is used to install the second magnet, and one side of the piezoelectric sheet mass block is the The free end of the piezoelectric cantilever structure; when the blade drives the first magnet to rotate, a magnetic force is generated between the first magnet and the second magnet, so that the piezoelectric mass block at the free end drives the The second piezoelectric sheet is deformed, and the second piezoelectric sheet generates electricity through the deformation. 2. The traffic projection lamp system based on multiple clean energy sources according to claim 1, wherein the energy supply device further comprises: The solar power generation device is arranged on the main body of the light pole, and is used for collecting solar energy to generate power for the traffic projection lamp system. 3. The traffic projection lamp system based on multi-element clean energy according to claim 1, characterized in that, the road surface vibration piezoelectric power generation devices are provided with several, and the several road surface vibration piezoelectric power generation devices are arranged in parallel with each other, Several road surface vibration piezoelectric generators connected in parallel form a road surface vibration piezoelectric generator group, and the road surface vibration piezoelectric generator group supplies power for the traffic projection lamp system. 4. The traffic projection lamp system based on multiple clean energy sources according to any one of claims 1-3, wherein a main control module is also provided on the main body of the light pole, and the main control module is respectively connected to the The projection lamp is connected to the energy supply device, and is used to control the projection lamp to play different traffic signs and control the operation of the energy supply device. 5. The traffic projection lamp system based on multiple clean energy according to claim 4, characterized in that, the traffic projection lamp system also includes an energy storage device capable of storing electric energy, and the energy storage device is arranged on the lamp On the rod main body, the energy supply device is connected to the energy storage device to supply power or charge the energy storage device, and the energy storage device is connected to the projection lamp. 6. The traffic projection lamp system based on multiple clean energy according to claim 5, characterized in that, the traffic projection lamp system also includes an energy collection and processing circuit for rectifying, filtering and stabilizing current. The wind-induced vibration piezoelectric power generation device and the road surface vibration piezoelectric power generation device are respectively connected to the energy collection processing circuit, the energy collection processing circuit is connected to the energy storage device, the wind-induced vibration piezoelectric power generation device and The road surface vibration piezoelectric power generation device supplies power or charges the energy storage device through the energy collection and processing circuit respectively. 7. The traffic projection lamp system based on multiple clean energy according to claim 2, characterized in that there are several solar power generating devices, and several solar power generating devices are arranged on the top of the main body of the light pole. 8. The traffic projection lamp system based on multiple clean energy sources according to claim 6, wherein the traffic projection lamp system further comprises: A perception module, configured to collect data on humidity, temperature, light brightness and wind power levels around the projection lamp, and the perception module is connected to the main control module; An information display module, connected to the main control module, the information display module is used to display the data collected by the perception module; The communication module is used for communicating with the remote communication equipment; The power management module is respectively connected with the energy storage device, the main control module, the sensing module, the communication module, the projection lamp, and the information display module, and the energy storage device is managed through the power supply The module supplies power to the main control module, the perception module, the communication module, the projection lamp, and the information display module.