CN218733279U - Micro-electric energy capturing device and system for railway signal system of high-altitude unmanned area - Google Patents

Abstract

The utility model provides a little electric energy of unmanned district railway signal system of high altitude catches equipment and system belongs to green new forms of energy electricity generation technical field. The device comprises a wind wheel, a rotating shaft, a protection box, a first bevel gear, a generator, a second bevel gear, a polygonal support, a first inner shell, a first flexible photovoltaic power generation thin layer, a first flexible piezoelectric strip, a wind-solar-rain controller, a rectifier and a storage battery, wherein the generator, the first flexible photovoltaic power generation thin layer, the first flexible piezoelectric strip and the generator are respectively electrically connected with the wind-solar-rain controller, and the wind-solar-rain controller is electrically connected with the storage battery through the rectifier. The utility model discloses a little electric energy capture equipment breaks conventional single energy power generation facility, utilizes light energy, wind energy, rain can multipotency complementary technology, guarantees under the different weather operating mode environment, supplies power for the unmanned district railway signal processing of Qinghai-Tibet plateau and check out test set all-weather; makes full use of local natural resources, has no pollution and has rich functions.

Description

Micro-electric energy capturing device and system for railway signal system of high-altitude unmanned area

Technical Field

The utility model belongs to the technical field of green new forms of energy electricity generation, in particular to little electric energy of high altitude unmanned area railway signal system catches equipment and system.

Background

The Qinghai-Tibet plateau is in the western region of China, and has the characteristics of rich resources, various energy sources, rare population, complex environmental conditions and the like. The solar energy and wind energy combined wind power generation system has the advantages that the wind energy, rain energy, solar energy and other resources are extremely thick; meanwhile, the weather conditions and the like are severe, for example, a large area belongs to an unmanned area and main railway traffic must be penetrated through. However, in the unmanned area, special detection equipment for roads, such as a signal sensor, railway signal equipment or road surface detection equipment, and the like, due to the singleness or limitation of an electric energy capturing mode, normal operation of all-weather equipment faces a great challenge, and especially in an emergency power-off environment in an extreme weather environment, such as geological disasters like earthquakes and the like. In view of this, the applicant designs an electric energy capturing device for high-altitude unmanned railway detection or signal equipment in combination with professional related technologies and working condition characteristics, and aims to solve the problem of long-term and stable power supply of related equipment and ensure the all-weather stable power supply of the equipment. Meanwhile, in the aspects of design and research of a related regional electric energy capture device, related design and research are carried out on Van-Ganglin and the like, and in addition, zhang 27955C, yah and the like carry out related research or system design in the aspects of multi-energy complementary utilization in high altitude or high cold regions. However, the idea and technique of the design of the electric energy capture device proposed by the applicant have not been found in the prior art.

Disclosure of Invention

The utility model aims to make up the defects of the prior art provided by the background art, and provides a micro-electric energy capturing device and system for a railway signal system in an unmanned area at high altitude, wherein the micro-electric energy capturing device breaks the conventional single energy power generation device, and utilizes the multi-energy complementary technology of light energy, wind energy and rain energy to ensure all-weather power supply for railway signal processing and detecting equipment in the unmanned area at Qinghai-Tibet plateau under different weather working condition environments; fully utilizes natural resources, has no pollution and has rich functions.

In order to realize the purpose, the utility model discloses a technical scheme is:

a micro-electric energy capturing device for a railway signal system in an unmanned area at high altitude comprises a wind wheel, a rotating shaft and a protection box, wherein the wind wheel is fixedly sleeved in the middle of the rotating shaft, the rotating shaft is of a hollow circular tube structure, the lower part of the rotating shaft is rotatably connected with the top surface of the protection box, the lower end of the rotating shaft penetrates into the protection box and is connected with a first bevel gear, a generator is arranged in the protection box, a second bevel gear meshed with the first bevel gear is arranged on an input shaft of the generator, a plurality of polygonal supports are axially arranged on the upper part of the rotating shaft at equal intervals, a first inner shell of a polygonal platform structure and a first flexible photovoltaic power generation thin film layer are arranged at the outer ends of the polygonal supports from inside to outside, the first flexible photovoltaic power generation thin layer surrounds the polygonal platform structure with the same shape as the inner shell, a plurality of first flexible piezoelectric strips are arranged on the outer side surface of the first inner shell, a first bulge is arranged in the middle of the first flexible piezoelectric strips, and the first bulge is in contact with the inner side surface of the first flexible photovoltaic power generation thin layer; the wind-solar-rain protection device is characterized in that a wind-solar-rain controller, a rectifier and a storage battery are further arranged in the protection box, the generator, the first flexible photovoltaic power generation thin layer and the first flexible piezoelectric strip are respectively and electrically connected with the wind-solar-rain controller, and the wind-solar-rain controller is electrically connected with the storage battery through the rectifier.

Furthermore, a second inner shell and a second flexible photovoltaic power generation thin layer are installed at the top of the rotating shaft from inside to outside through a polygonal support, the second flexible photovoltaic power generation thin layer is surrounded into a structure with the same shape as the second inner shell, a plurality of second flexible piezoelectric strips are arranged on the outer side face and the top face of the second inner shell, a second protrusion is arranged in the middle of each second flexible piezoelectric strip, the second protrusion is in contact with the inner side face of the second flexible photovoltaic power generation thin layer, and the second flexible photovoltaic power generation thin layer and the second flexible piezoelectric strips are respectively electrically connected with the rain wind and light controller.

Furthermore, a wireless communication module is further arranged in the protection box and connected with the wind, light and rain controller.

Preferably, the wireless communication module is a 4G wireless communication module or a 5G wireless communication module.

Preferably, an inverter is further arranged in the protection box, and the input end of the inverter is connected with the storage battery.

Furthermore, the polygonal bracket is Y-shaped, cross-shaped or m-shaped.

Further, the first inner shell is of a triangular frustum structure, a quadrangular frustum structure or an octagonal frustum structure.

Further, the second inner shell is of a triangular frustum structure, a quadrangular frustum structure, an octagonal frustum structure or a bowl-shaped structure.

The utility model also provides a little electric energy capture system of unmanned district railway signal system of high altitude, include:

the wind power generation unit is used for converting the received wind energy into electric energy;

the first wind, light and rain combined power generation unit comprises a first photovoltaic power generation unit and a first wind and rain piezoelectric power generation unit, wherein the first photovoltaic power generation unit is used for converting received solar energy into electric energy, and the first wind and rain piezoelectric power generation unit is used for converting received rain energy and/or wind energy into electric energy;

the second wind-solar-rain combined power generation unit comprises a second photovoltaic power generation unit and a second wind-rain piezoelectric power generation unit, the second photovoltaic power generation unit is used for converting received solar energy into electric energy, and the second wind-rain piezoelectric power generation unit is used for converting received rain energy and/or wind energy into electric energy;

the storage battery unit is used for storing or outputting electric energy;

the output end of the rectifier is connected with the storage battery unit and used for converting alternating current generated by the wind power generation unit into direct current which is supplied to the storage battery unit for charging after being filtered;

the inverter is used for converting the direct current into alternating current and outputting the alternating current to a load, and the input end of the inverter is connected with the storage battery unit;

the wind, light and rain controller is used for monitoring the energy storage state of the storage battery unit, dynamically controlling the wind power generation unit, the first photovoltaic power generation unit, the first wind and rain piezoelectric power generation unit, the second photovoltaic power generation unit and the second wind and rain piezoelectric power generation unit to start or stop charging the storage battery unit according to the energy storage state of the storage battery unit, and directly transmitting electric energy to the inverter;

the wireless communication module is used for remotely transmitting data information in the wind, light and rain controller to a data acquisition and monitoring center through a wireless network in a wireless data transmission mode or receiving an instruction sent by the data acquisition and monitoring center and then sending the instruction to the wind, light and rain controller, and the wireless communication module is connected with the wind, light and rain controller;

and the data acquisition and monitoring center is used for remotely monitoring and/or controlling the energy storage state of the storage battery unit and is connected with the wireless communication module through a wireless network.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a little electric energy capture equipment of unmanned district railway signal system of high altitude breaks conventional single energy power generation facility, utilizes light energy, wind energy, rain energy multipotency complementary technology, ensures under the different weather operating mode environment, for the unmanned district railway signal processing in Qinghai-Tibet plateau and check out test set all-weather power supply.

2. The utility model discloses a little electric energy of high altitude unmanned area railway signal system catches equipment has combined natural environment's characteristics, and application light energy, wind energy, rain energy three mix the electricity generation, have improved the work efficiency of this equipment greatly, make full use of natural resources, pollution-free and function are abundant.

Drawings

Fig. 1 is a schematic block diagram of a micro-electric energy capturing system of a railway signal system in a high altitude unmanned area according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a micro-electric energy capturing device of a railway signal system in an unmanned area at high altitude according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of the first wind-solar-rain combined power generation unit in FIG. 2;

fig. 4 is a schematic structural view of the first wind and rain piezoelectric power generation unit in fig. 3;

fig. 5 is a schematic structural view of the second wind and rain piezoelectric power generation unit in fig. 3;

reference numerals are as follows: 1-a wind power generation unit, 101-a wind wheel, 102-a rotating shaft, 103-a first bevel gear, 104-a second bevel gear, 105-a generator, 2-a first wind, light and rain power generation unit, 201-a first flexible photovoltaic power generation thin film layer, 202-a first inner shell, 203-a first flexible piezoelectric strip, 2031-a first bulge, 3-a second wind, light and rain power generation unit, 301-a second flexible photovoltaic power generation thin film layer, 302-a second inner shell, 303-a second flexible piezoelectric strip, 3031-a second bulge, 4-a wind, light and rain controller, 5-a wireless communication module, 6-a data acquisition and monitoring center, 7-a rectifier, 8-a storage battery, 9-an inverter, 10-a protection box and 11-a polygonal bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by preferred embodiments.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of describing the present patent and for simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present patent. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. It should be noted that unless otherwise expressly stated or limited, the terms "mounted," "connected," and "disposed" are intended to be broadly construed, and include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, mechanically connected, and electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the utility model provides a little electric energy capture system of unmanned district railway signal system of high altitude, include:

the wind power generation unit 1 is used for converting received wind energy into electric energy;

the first wind, light and rain combined power generation unit comprises a first photovoltaic power generation unit and a first wind and rain piezoelectric power generation unit, wherein the first photovoltaic power generation unit is used for converting received solar energy into electric energy, and the first wind and rain piezoelectric power generation unit is used for converting received rain energy and/or wind energy into electric energy;

the second wind, light and rain combined power generation unit comprises a second photovoltaic power generation unit and a second wind and rain piezoelectric power generation unit, the second photovoltaic power generation unit is used for converting the received solar energy into electric energy, and the second wind and rain piezoelectric power generation unit is used for converting the received rain energy and/or wind energy into electric energy;

the storage battery 8 unit is used for storing or outputting electric energy;

the output end of the rectifier 7 is connected with the storage battery 8 unit and is used for converting alternating current generated by the wind power generation unit 1 into direct current which is supplied to the storage battery 8 unit for charging after filtering;

the inverter 9 is used for converting the direct current into alternating current and outputting the alternating current to a load, and the input end of the inverter 9 is connected with the storage battery 8 unit;

the wind, light and rain controller 4 is used for monitoring the energy storage state of the storage battery 8 unit, dynamically controlling the wind power generation unit 1, the first photovoltaic power generation unit, the first wind and rain piezoelectric power generation unit, the second photovoltaic power generation unit and the second wind and rain piezoelectric power generation unit to start or stop charging the storage battery 8 unit according to the energy storage state of the storage battery 8 unit, and directly transmitting electric energy to the inverter 9, wherein the input end of the wind, light and rain controller 4 is respectively connected with the wind power generation unit 1, the first photovoltaic power generation unit, the first wind and rain piezoelectric power generation unit, the second photovoltaic power generation unit and the second wind and rain piezoelectric power generation unit, and the output end of the wind, light and rain controller 4 is respectively connected with the rectifier 7 and the inverter 9;

the wireless communication module 5 is used for remotely transmitting data information in the wind, light and rain controller 4 to the data acquisition and monitoring center 6 through a wireless network in a wireless data transmission mode or receiving an instruction sent by the data acquisition and monitoring center 6 and then sending the instruction to the wind, light and rain controller 4, and the wireless communication module 5 is connected with the wind, light and rain controller 4;

and the data acquisition and monitoring center 6 is used for remotely monitoring and/or controlling the energy storage state of the storage battery 8 unit, and the data acquisition and monitoring center 6 is connected with the wireless communication module 5 through a wireless network.

In this embodiment, the first wind, light and rain combined power generation unit and the second wind, light and rain combined power generation unit are arranged relatively independently, and can be selected to work simultaneously, or one of the first wind, light and rain combined power generation unit and the second wind, light and rain combined power generation unit can be selected to work simultaneously, and the other one is used as a spare.

In the embodiment, the wind power generation unit 1 can drive the impeller to drive the generator to generate alternating current by adopting wind power, the first photovoltaic power generation unit and the second photovoltaic power generation unit both adopt the solar photovoltaic power generation panel to generate direct current, and the first wind and rain piezoelectric power generation unit and the second wind and rain piezoelectric power generation unit adopt raindrops and/or wind power to collide with piezoelectric materials to vibrate to generate direct current; more than two energy capturing modes of light wind or wind and rain can be carried out to simultaneously generate electricity. The wind, light and rain controller 4 adopts an STM32 chip, a computer program for charging and discharging the storage battery 8 unit is stored in the wind, light and rain controller, and when the computer program is executed, the charging and discharging of the storage battery 8 unit are controlled; the wireless communication module 5 adopts a 4G wireless communication module or a 5G wireless communication module.

Example 2

As shown in fig. 2-5, the utility model provides a little electric energy capture system of high altitude unmanned area railway signal system is still provided to this embodiment, including wind wheel 101, pivot 102, protection box, wind wheel 101 fixes the cover and establishes at pivot 102 middle part, pivot 102 is the hollow circular tube structure, pivot 102 lower part and protection box top surface rotate to be connected, pivot 102 lower extreme penetrates in the protection box, and is connected with first bevel gear 103, be equipped with generator 105 in the protection box, be equipped with second bevel gear 104 with first bevel gear 103 meshing on the generator 105 input shaft, pivot 102 upper portion axial is equidistant to be equipped with a plurality of multilateral supports, multilateral support outer end from inside to outside installs first inner shell 202, first flexible photovoltaic power generation thin layer 201 of multilateral platform structure, first flexible photovoltaic power generation thin layer 201 encloses into the polygon platform structure the same with inner shell shape, be equipped with a plurality of first flexible piezoelectric strips 203 on the lateral surface of first inner shell 202, be equipped with first arch 2031 in the middle of first flexible piezoelectric strips 203, first arch 2031 contacts with first flexible photovoltaic power generation thin layer 201 medial surface; the wind, light and rain controller 4, the rectifier 7 and the storage battery 8 are further arranged in the protection box, the generator 105, the first flexible photovoltaic power generation film layer 201 and the first flexible piezoelectric strip 203 are respectively and electrically connected with the wind, light and rain controller 4, and the wind, light and rain controller 4 is electrically connected with the storage battery 8 through the rectifier 7.

Specifically, the top of the rotating shaft 102 is provided with a second inner shell 302 and a second flexible photovoltaic power generation film layer 301 from inside to outside through a polygonal support, the second flexible photovoltaic power generation film layer 301 is enclosed into a structure with the same shape as the second inner shell 302, the second flexible photovoltaic power generation film layer 301 is arranged on the lateral side and the outer side of the top surface of the second inner shell 302, the outer lateral side and the top surface of the second inner shell 302 are provided with a plurality of second flexible piezoelectric strips 303, a second protrusion 3031 is arranged in the middle of the second flexible piezoelectric strips 303, the second protrusion 3031 is in contact with the inner lateral side of the second flexible photovoltaic power generation film layer 301, and the second flexible photovoltaic power generation film layer 301 and the second flexible piezoelectric strips 303 are respectively and electrically connected with the wind, light and rain controller 4. .

Specifically, a wireless communication module 5 is further arranged in the protection box, and the wireless communication module 5 is connected with the wind, light and rain controller 4; the wireless communication module 5 is a 4G wireless communication module 5 or a 5G wireless communication module 5, and the wind, light and rain controller 4 is connected with the remote data acquisition and monitoring center 6 through the wireless communication module 5.

Specifically, an inverter 9 is further arranged in the protection box, and the input end of the inverter 9 is connected with the storage battery 8.

Specifically, the polygonal bracket is one of a Y-shaped bracket, a cross-shaped bracket and a m-shaped bracket, and the first inner shell 202 is one of a triangular frustum structure, a quadrangular frustum structure and an octagonal frustum structure. The second inner shell 302 is one of a triangular frustum structure, a quadrangular frustum structure, an octagonal frustum structure and a bowl-shaped structure. In this embodiment, the polygonal bracket is Y-shaped, the first inner shell 202 is a triangular frustum structure, and the second inner shell 302 is a bowl-shaped structure.

In this embodiment, the first flexible piezoelectric strip 203 and the second flexible piezoelectric strip 303 generate electric energy by applying the piezoelectric principle, when the piezoelectric material is subjected to an external force in a certain fixed direction, an electric polarization phenomenon is generated inside the piezoelectric material, and charges with opposite signs are generated on certain two surfaces; when the external force is removed, the material returns to an uncharged state; when the direction of the external force action is changed, the polarity of the charge is changed; the charge quantity generated by the stress of the material is in direct proportion to the magnitude of the external force. The first flexible piezoelectric strip 203 and the second flexible piezoelectric strip 303 of the embodiment both adopt flexible piezoelectric ceramic materials, when the first flexible photovoltaic power generation thin film layer 201 receives raindrops or wind power, the first protrusion 2031 of the first flexible piezoelectric strip 203 is extruded, deformation is transmitted through the first protrusion 2031, and the first flexible piezoelectric strip 203 deforms and vibrates, so that the first inner shell 202 vibrates, and other first flexible piezoelectric strips 203 on the whole surface can be driven to vibrate and deform, so that electric energy is generated; meanwhile, when the second flexible photovoltaic power generation film layer 301 receives raindrops or wind power, the second protrusions 3031 of the second flexible piezoelectric strips 303 are extruded, and the second protrusions 3031 transmit deformation, so that the second flexible piezoelectric strips 303 deform and vibrate, the second inner shell 302 vibrates, other second flexible piezoelectric strips 303 on the second inner shell 302 can be driven to vibrate and deform, and electric energy is generated.

In this embodiment, the rectifier 7 has two functions, one is to convert the ac power into dc power, and supply the dc power to the inverter 9 after filtering; secondly, the charging voltage is provided for the storage battery 8.

In this embodiment, the first flexible photovoltaic power generation thin film layer 201 arranged outside the side surface of the first inner shell 202 and the second flexible photovoltaic power generation thin film layer 301 arranged outside the side surface and the top surface of the second inner shell 302 are used for receiving light energy, converting the light energy into electric energy, and outputting direct current to the wind, light and rain controller 4; the wind power is used for driving the wind wheel 101, so that the input shafts of the rotating shaft 102, the first bevel gear 103, the second bevel gear 104 and the generator 105 are driven to rotate, the mechanical energy is converted into electric energy, and alternating current is output to the wind, light and rain controller 4; the raindrops and/or wind power are utilized to collide with the first flexible photovoltaic power generation thin film layer 201 and the second flexible photovoltaic power generation thin film layer 301, so that the first flexible photovoltaic power generation thin film layer 201 and the second flexible photovoltaic power generation thin film layer 301 respectively extrude the first protrusion 2031 of the first flexible piezoelectric strip 203 and the second protrusion 3031 of the second flexible piezoelectric strip 303, the first flexible piezoelectric strip 203 and the second flexible piezoelectric strip 303 respectively vibrate on the first inner shell 202 and the second inner shell 302 to generate electric energy, and the electric energy generated by vibration outputs direct current to the wind, light and rain controller 4.

In this embodiment, the first flexible photovoltaic power generation thin film layer 201 and the second flexible photovoltaic power generation thin film layer 301 may be replaced by non-photovoltaic power generation thin films with stronger flexibility and deformability.

When wind resources are abundant, the wind wheel 101 drives the generator 105 to generate electric energy through wind power generation, and meanwhile, the first flexible photovoltaic power generation film layer 201 and the second flexible photovoltaic power generation film layer 301 draw wind energy to respectively extrude the first protrusion 2031 of the first flexible piezoelectric strip 203 and the second protrusion 3031 of the second flexible piezoelectric strip 303 so as to generate electric energy through vibration of the first flexible piezoelectric strip 203 and the second flexible piezoelectric strip 303.

When the illumination is rich, electric energy is generated through the first flexible photovoltaic power generation film layer 201 and the second flexible photovoltaic power generation film layer 301.

In rainy days, raindrops collide the first flexible photovoltaic power generation thin film layer 201 and the second flexible photovoltaic power generation thin film layer 301 to extrude the first protrusion 2031 of the first flexible piezoelectric strip 203 and the second protrusion 3031 of the second flexible piezoelectric strip 303, so that electric energy is generated through vibration of the first flexible piezoelectric strip 203 and the second flexible piezoelectric strip 303.

Meanwhile, more than two energy capture modes can be carried out to generate electricity. The equipment has various electric energy resource acquisition modes, effectively meets the electric energy requirement of micro-energy electric equipment in the northwest Qinghai-Tibet plateau, and has strong operability and popularization.

Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The embodiments of the present invention are not intended to limit the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a little electric energy capture equipment of unmanned district railway signal system of high altitude which characterized in that: the wind wheel is fixedly sleeved in the middle of the rotating shaft, the rotating shaft is of a hollow circular tube structure, the lower portion of the rotating shaft is rotatably connected with the top surface of the protecting box, the lower end of the rotating shaft penetrates into the protecting box and is connected with a first bevel gear, a generator is arranged in the protecting box, a second bevel gear meshed with the first bevel gear is arranged on an input shaft of the generator, a plurality of polygonal supports are axially arranged at equal intervals on the upper portion of the rotating shaft, a first inner shell and a first flexible photovoltaic power generation thin film layer of a polygonal platform structure are arranged at the outer ends of the polygonal supports from inside to outside, the first flexible photovoltaic power generation thin film layer surrounds the polygonal platform structure with the same shape as the inner shell, a plurality of first flexible piezoelectric strips are arranged on the outer side surface of the first inner shell, a first bulge is arranged in the middle of the first flexible piezoelectric strips, and the first bulge is in contact with the inner side surface of the first flexible photovoltaic power generation thin film layer; the wind-solar-rain protection device is characterized in that a wind-solar-rain controller, a rectifier and a storage battery are further arranged in the protection box, the generator, the first flexible photovoltaic power generation thin layer and the first flexible piezoelectric strip are respectively and electrically connected with the wind-solar-rain controller, and the wind-solar-rain controller is electrically connected with the storage battery through the rectifier.

2. The micro-power capturing device of a high altitude unmanned railway signal system as claimed in claim 1, wherein: the top of the rotating shaft is provided with a second inner shell and a second flexible photovoltaic power generation thin layer from inside to outside through a polygonal support, the second flexible photovoltaic power generation thin layer is surrounded into a structure with the same shape as the second inner shell, a plurality of second flexible piezoelectric strips are arranged on the outer side face and the top face of the second inner shell, a second protrusion is arranged in the middle of each second flexible piezoelectric strip, the second protrusion is in contact with the inner side face of the second flexible photovoltaic power generation thin layer, and the second flexible photovoltaic power generation thin layer and the second flexible piezoelectric strips are respectively electrically connected with a wind, light and rain controller.

3. The micro-power capturing device of a high altitude unmanned railway signal system as claimed in claim 1, wherein: and a wireless communication module is also arranged in the protection box and is connected with the wind, light and rain controller.

4. The micro-power capturing device of a high altitude unmanned railway signal system as claimed in claim 3, wherein: the wireless communication module is a 4G wireless communication module or a 5G wireless communication module.

5. The micro-power capturing device of a high altitude unmanned railway signal system as claimed in claim 1, wherein: an inverter is further arranged in the protection box, and the input end of the inverter is connected with the storage battery.

6. The micro-power capturing device of a high altitude unmanned railway signal system as claimed in claim 1, wherein: the polygonal bracket is Y-shaped, cross-shaped or m-shaped.

7. The micro-power capturing device of a high altitude unmanned railway signal system as claimed in claim 1, wherein: the first inner shell is of a triangular frustum structure, a quadrangular frustum structure or an octagonal frustum structure.

8. The micro-electric energy capturing device for high altitude unmanned railway signal system as claimed in claim 2, wherein: the second inner shell is of a triangular frustum structure, a quadrangular frustum structure, an eight-edged frustum structure or a bowl-shaped structure.

9. A micro-electric energy capturing system of a railway signal system in an unmanned area at high altitude is characterized by comprising:

the wind power generation unit is used for converting the received wind energy into electric energy;

the first wind, light and rain combined power generation unit comprises a first photovoltaic power generation unit and a first wind and rain piezoelectric power generation unit, wherein the first photovoltaic power generation unit is used for converting received solar energy into electric energy, and the first wind and rain piezoelectric power generation unit is used for converting received rain energy and/or wind energy into electric energy;

the second wind, light and rain combined power generation unit comprises a second photovoltaic power generation unit and a second wind and rain piezoelectric power generation unit, the second photovoltaic power generation unit is used for converting the received solar energy into electric energy, and the second wind and rain piezoelectric power generation unit is used for converting the received rain energy and/or wind energy into electric energy;

the storage battery unit is used for storing or outputting electric energy;

the output end of the rectifier is connected with the storage battery unit and used for converting alternating current generated by the wind power generation unit into direct current which is supplied to the storage battery unit for charging after filtering;

the inverter is used for converting the direct current into alternating current and outputting the alternating current to a load, and the input end of the inverter is connected with the storage battery unit;

the wind, light and rain controller is used for monitoring the energy storage state of the storage battery unit, dynamically controlling the wind power generation unit, the first photovoltaic power generation unit, the first wind and rain piezoelectric power generation unit, the second photovoltaic power generation unit and the second wind and rain piezoelectric power generation unit to start or stop charging the storage battery unit according to the energy storage state of the storage battery unit, and directly transmitting electric energy to the inverter;

the wireless communication module is used for remotely transmitting data information in the wind, light and rain controller to a data acquisition and monitoring center through a wireless network in a wireless data transmission mode or receiving an instruction sent by the data acquisition and monitoring center and then sending the instruction to the wind, light and rain controller, and the wireless communication module is connected with the wind, light and rain controller;

and the data acquisition and monitoring center is used for remotely monitoring and/or managing and controlling the energy storage state of the storage battery unit and is connected with the wireless communication module through a wireless network.

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