阅读说明：本技术 一种基于地下雨水管网的发电储能装置 (Power generation energy storage device based on underground rainwater pipe network ) 是由 钱原铭 王辉 缪程武 查恩尧 陈良志 王帆 康晓平 李志刚 杨彪 李文红 李晓黎 于 2021-08-16 设计创作，主要内容包括：本发明公开了一种基于地下雨水管网的发电储能装置,包括有储能装置、微型水力涡轮发电机和汇水收口装置,汇水收口装置朝向来水方向的一端具有汇水压缩腔体,汇水压缩腔体为顺着水流方向内径逐渐收缩的结构,微型水力涡轮发电机安装在汇水压缩装置的出水口中；在汇水压缩腔体的入口端设置有滤网装置,滤网装置采用倾斜内凹式安装结构。本发明通过在雨水管道中设置汇水收口装置能够提高水流速度,从而提高发电效率；而通过在汇水收口装置的入口设置倾斜内凹的变空隙滤网装置,能够实现自动清理过滤杂质。如此能够有效降低人力成本、蓄电池更换成本及运维装置线路改造成本等,减少城市运维尤其是地下雨水管网监测的总体建设造价。(The invention discloses a power generation and energy storage device based on an underground rainwater pipe network, which comprises an energy storage device, a miniature hydraulic turbine generator and a water collection and closing-up device, wherein one end of the water collection and closing-up device facing to the water incoming direction is provided with a water collection compression cavity, the water collection compression cavity is of a structure with the inner diameter gradually shrinking along the water flow direction, and the miniature hydraulic turbine generator is arranged in a water outlet of the water collection compression device; the inlet end of the water collecting compression cavity is provided with a filter screen device which adopts an inclined concave mounting structure. According to the invention, the rainwater pipeline is provided with the water collecting and closing device, so that the water flow speed can be increased, and the power generation efficiency can be improved; and the entrance of the water collection closing-in device is provided with the inclined concave gap-variable filter screen device, so that the automatic cleaning and impurity filtering can be realized. So can effectively reduce human cost, battery replacement cost and fortune dimension device circuit transformation cost etc. reduce the overall construction cost of city fortune dimension especially monitoring of secret rainwater pipe network.)

1. The utility model provides a electricity generation energy memory based on secret rainwater pipe network, including energy memory, miniature hydraulic turbine generator installs in rainwater pipeline, and energy memory is connected its characterized in that with miniature hydraulic turbine generator: the water collection and closing device is characterized by further comprising a water collection and closing device, wherein a water collection compression cavity is arranged at one end of the water collection and closing device facing the water incoming direction, the water collection compression cavity is of a structure with the inner diameter gradually shrinking along the water flow direction, so that the inner diameter of a water outlet of the water collection and closing device is smaller than the size of a water inlet of the water collection and closing device, and the micro hydraulic turbine generator is arranged in the water outlet of the water collection and compression device; the inlet end of the water collecting compression cavity is provided with a filter screen device, the filter screen device adopts an inclined concave mounting structure, and the upper part of the filter screen device obliquely extends towards the incoming water direction.

2. An electricity generating and energy storing device based on an underground rainwater pipe network according to claim 1, characterized in that: the water-collecting closing-up device is made of corrosion-resistant materials, the water-collecting compression cavity is of a conical closing-up structure with a wide upper part and a narrow lower part, and the central axis of the water outlet and the central axis of the micro hydraulic turbine generator are lower than the central axis of the water-collecting compression cavity.

3. An electricity generating and energy storing device based on an underground rainwater pipe network according to claim 1, characterized in that: the filter screen device adopts a variable-gap structure, and the included angle range of a variable-gap grid is 10-30 degrees; the whole filter screen device is made of corrosion-resistant materials.

4. An electricity generating and energy storing device based on an underground rainwater pipe network according to claim 3, characterized in that: the angle of the inward concave corner of the filter screen device is larger than 100 degrees and smaller than 180 degrees.

5. An electricity generating and energy storing device based on an underground rainwater pipe network according to claim 1, characterized in that: and a mounting bracket is arranged outside the water collection closing-in device, and the whole water collection closing-in device and the miniature hydraulic turbine generator are arranged in the rainwater pipeline through the mounting bracket.

6. An electricity generating and energy storing device based on an underground rainwater pipe network according to claim 5, characterized in that: the installation guide rail is installed at the top of the inner wall of the rainwater pipeline, the installation slide rail is fixed on the installation support, and the installation slide rail is installed on the installation guide rail, so that the whole water collection closing-in device and the miniature hydraulic turbine generator form a position adjustable structure.

7. An electricity generating and energy storing device based on an underground rainwater pipe network according to claim 5, characterized in that: a gap is reserved between the bottom of the water collection closing-in device and the bottom of the rainwater pipeline, and the height of the gap is not larger than 1/4 of the inner diameter of the rainwater pipeline.

8. An electricity generating and energy storing device based on an underground rainwater pipe network according to claim 6, characterized in that: the front end of the mounting slide rail is provided with a limiting block which is used for abutting against the water collection closing-up device.

9. An electricity generating and energy storing device based on an underground rainwater pipe network according to claim 1, characterized in that: the energy storage device is connected with the micro hydraulic turbine generator through a lead; the energy storage device is provided with a communication module and a positioning module.

10. An electricity generating and energy storing device based on an underground rainwater pipe network according to claim 1, characterized in that: the energy storage device is arranged on a vertical well wall of the catch basin; the water collection closing device and the miniature hydraulic turbine generator are arranged at the junction position of the rainwater well and the rainwater pipeline, so that the filter screen device is suspended above the bottom of the rainwater well.

Technical Field

The invention relates to the technical field of power generation devices, in particular to a power generation and energy storage device based on an underground rainwater pipe network.

Background

With the national vigorous advance of novel city construction, promote city intellectuality level, "a picture" digital management and city operation a network management system such as underground pipe network, the construction in wisdom city is applied to a large amount of sensors and intelligent terminal. In order to solve the problem of urban inland inundation, a large number of intelligent sensing terminal devices are distributed at key nodes of drainage facilities, rainwater pipe networks and water accumulation points which are easy to waterlog so as to meet daily management, operation scheduling, disaster condition pre-judgment, early warning and forecasting, flood prevention scheduling, emergency rescue and the like. The intelligent sensing terminal equipment is usually powered by municipal electricity, a storage battery, solar energy and the like, but the rainwater pipe network is used as a closed area, if all the energy supplies of the newly-installed sensors are powered by the municipal electricity, the work load is large, the workload of earthwork operation, pipe penetration and the like is increased, the manufacturing cost is high, and the electricity safety risk exists in the flood season; if the storage battery power supply mode is adopted, a large amount of manpower and battery cost are consumed for battery replacement in the later operation and maintenance process; if the solar power supply mode is used, an exposed solar panel needs to be newly added, the hidden danger of artificial damage and loss exists, the workload of earthwork, grooving, pipe burying and the like can be increased in the installation process, the cost is increased, and the leaked solar device has the risk of insufficient power storage and easy damage by typhoon in rainy days because the major monitoring period of the rainwater pipe network is the flood season and the typhoon season.

The water flow speed of the urban rainwater pipe network can usually reach 0.7m/s-2.0m/s, the flowing water contains abundant energy, and if the water flow energy in the pipe network can be converted into electric energy, the maintenance work can be reduced as much as possible, so that the urban rainwater pipe network intelligent terminal is favorable for solving the problem of urban inland inundation water caused by the fact that a large number of sensors and intelligent terminals are installed in the rainwater pipe network. Therefore, it is very important to provide an energy supply device with simple installation, reliable operation, easy maintenance and low cost for devices such as an underground rainwater pipe network sensor. Although some technical schemes for installing a power generation device on an underground rainwater pipe network for power generation appear at present, the existing technical schemes generally have the problem of not scientific and reasonable design, and meanwhile, the power generation efficiency is low due to low rainwater flow rate of pipe wind, so that the actual use requirements are difficult to meet; and even still having set up filter equipment, still having blockked up the problem of generator water inlet easily, often need the manual work to clear up the impurity of filter equipment interception, not only take time and waste efforts, still can further influence the generating efficiency.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a power generation and energy storage device based on an underground rainwater pipe network, which has the advantages of simple realization structure, convenient application and maintenance, difficult damage and low application cost.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a power generation energy memory based on secret rainwater pipe network, including energy memory, miniature hydraulic turbine generator installs in the rainwater pipeline, and energy memory is connected in order to store the electric energy with miniature hydraulic turbine generator, and equipment such as various sensors of underground pipe network are connected with energy memory in order to obtain the electric energy, its characterized in that: the water collection and closing device is characterized by further comprising a water collection and closing device, wherein a water collection compression cavity is arranged at one end of the water collection and closing device facing the water incoming direction, the water collection compression cavity is of a structure with the inner diameter gradually shrinking along the water flow direction, so that the inner diameter of a water outlet of the water collection and closing device is smaller than the size of a water inlet of the water collection and closing device, and the micro hydraulic turbine generator is arranged in the water outlet of the water collection and compression device; the inlet end of the water collecting compression cavity is provided with a filter screen device, the filter screen device adopts an inclined concave mounting structure, and the upper part of the filter screen device obliquely extends towards the incoming water direction.

Furthermore, the water-collecting and closing-up device is made of corrosion-resistant materials (such as engineering plastics, stainless steel and the like), the water-collecting compression cavity body is of a conical closing-up structure with a wide upper part and a narrow lower part, and the central axis of the water outlet and the central axis of the micro hydraulic turbine generator are lower than the central axis of the water-collecting compression cavity body.

Furthermore, the filter screen device adopts a variable-gap structure, and the included angle range of a variable-gap grid is 10-30 degrees; the whole filter screen device is made of corrosion-resistant materials (such as engineering plastics, stainless steel and the like).

Further, the angle of the concave corner of the filter screen device is larger than 100 degrees and smaller than 180 degrees.

Further, a mounting bracket is mounted outside the water collection closing-up device, and the whole water collection closing-up device and the miniature hydraulic turbine generator are mounted in the rainwater pipeline through the mounting bracket.

Furthermore, an installation guide rail is installed at the top of the inner wall of the rainwater pipeline, an installation slide rail is fixed on the installation support, and the installation slide rail is installed on the installation guide rail, so that the whole water collection closing-up device and the miniature hydraulic turbine generator form a position adjustable structure.

Further, a gap is reserved between the bottom of the water collection closing-in device and the bottom of the rainwater pipeline, and the height of the gap is not larger than 1/4 of the inner diameter of the rainwater pipeline.

Furthermore, a limiting block is arranged at the front end of the mounting slide rail and abuts against the water collection closing-up device through the limiting block.

Further, the energy storage device is connected with the micro water turbine generator through a lead; the energy storage device is provided with a communication module and a positioning module.

Further, the energy storage device is installed on a vertical well wall of the rainwater well; the water collection closing device and the miniature hydraulic turbine generator are arranged at the junction position of the rainwater well and the rainwater pipeline, so that the filter screen device is suspended above the bottom of the rainwater well.

According to the invention, the rainwater collecting and closing device is arranged in the rainwater pipeline, the miniature hydraulic turbine generator is arranged in the water collecting and closing device, the inclined and concave gap-variable filter screen device is arranged at the inlet of the water collecting and closing device, and the flow velocity of water flow in the underground rainwater pipeline can be increased by several times through the confluence of the water collecting compression cavity, so that the miniature hydraulic turbine generator can be impacted at a higher speed, the power generation efficiency of the generator can be improved, and sufficient electric quantity can be obtained even under the condition of less underground rainwater. And through indent formula variable space filter unit, all have the interception ability to big or small impurity, make impurity slide into the dirty pond of collection of rainwater well bottom under self action of gravity through indent formula structure after the water level reduces, reach automatic effect from clear, need not artifical clearance. So can solve the long-term energy supply problem of current urban waterlogging monitoring devices and sensor, effectively reduce the human cost, the battery replacement cost and the fortune dimension device circuit transformation cost of city fortune dimension in-process, reduce the overall construction cost that city fortune dimension especially underground rainwater pipe network monitored.

Drawings

FIG. 1 is a schematic longitudinal cross-section of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the strainer device and the water converging and closing device in the catch basin according to the present invention;

FIG. 4 is an assembled view of the power generating main body part of the present invention;

FIG. 5 is a schematic cross-sectional view of the power generating main body according to the present invention.

In the figure, 1 is an energy storage device, 2 is an installation support, 21 is a limiting block, 22 is an installation slide rail, 23 is an installation guide rail, 3 is a filter screen device, 41 is a rainwater pipeline, 42 is a rainwater well, 5 is a water collection closing device, 51 is a water collection compression cavity, 6 is a micro hydraulic turbine generator, 7 is a lead, and 8 is a well cover.

Detailed Description

The invention is further illustrated by the following specific embodiments in conjunction with the accompanying drawings:

in this embodiment, referring to fig. 1 to 5, the power generation and energy storage device based on the underground rainwater pipe network comprises an energy storage device 1 and a micro-hydro turbine generator 6, wherein the micro-hydro turbine generator 6 is installed in a rainwater pipe 41, the energy storage device 1 is connected with the micro-hydro turbine generator 6 to store electric energy, and various sensors and other devices of the underground pipe network are connected with the energy storage device 1 to obtain electric energy; the water collection and closing device comprises a water collection and closing device 5, wherein a water collection compression cavity 51 is arranged at one end of the water collection and closing device 5 facing to the water incoming direction, the water collection compression cavity 51 is of a structure gradually shrinking along the inner diameter of the water flow direction, so that the inner diameter of a water outlet of the water collection and closing device 5 is smaller than the size of a water inlet of the water collection and closing device, the flow speed of water flow entering the water collection and closing device can be improved, for example, the flow speed can be improved by 3-5 times, and a micro hydraulic turbine generator 6 is arranged in the water outlet of the water collection and compression device 5; the filter screen device 3 is arranged at the inlet end of the water collecting compression cavity 51, the filter screen device 3 adopts an inclined concave mounting structure, and the upper part of the filter screen device extends out towards the incoming water direction in an inclined way of 60-85 degrees.

The water-collecting closing-up device 5 is made of corrosion-resistant materials (such as engineering plastics, stainless steel and the like), the water-collecting compression cavity 51 is of a conical closing-up structure with a wide upper part and a narrow lower part, and the central axis of the water outlet and the central axis of the micro hydraulic turbine generator 6 are lower than the central line of the water-collecting compression cavity 51, so that more water flows can be contacted, and the time for generating electricity is prolonged.

The filter screen device 3 adopts a variable-gap structure, and the included angle range of a variable-gap grid is 10-30 degrees, namely the gap grid is fan-shaped; the whole filter screen device 3 is made of corrosion-resistant materials (such as engineering plastics, stainless steel and the like).

The angle of the concave corner of the screen means 3 is more than 100 degrees but less than 180 degrees, such as 120 degrees.

The mounting bracket 2 is mounted outside the water collection closing-up device 5, and the whole water collection closing-up device 5 together with the micro-hydro turbine generator 6 is mounted in the rainwater pipeline 41 through the mounting bracket 2.

The top of the inner wall of the rainwater pipeline 41 is provided with an installation guide rail 23, the installation support 2 is fixed with an installation slide rail 22, and the installation slide rail 22 is arranged on the installation guide rail 23, so that the whole water collection closing device and the micro hydraulic turbine generator 6 form a position adjustable structure.

A gap is left between the bottom of the water collecting closing-in device 5 and the bottom of the rainwater pipeline 41, and the height of the gap is not more than 1/4 of the inner diameter of the rainwater pipeline 41, so that sewage can directly flow away when the water flow is too small and has no power generation benefit.

The front end of the mounting slide rail 22 is provided with a limiting block 21, and the limiting block 21 is abutted against the water collection closing-up device 5.

The energy storage device 1 is connected with a micro hydraulic turbine generator 6 through a lead 7; the energy storage device 1 is provided with a communication module and a positioning module.

The energy storage device 1 is arranged on a vertical well wall of the catch basin 42, and the catch basin 42 is sealed by the well cover 8; the water collection closing device 5 and the micro-hydraulic turbine generator 6 are installed at the junction of the rainwater well 42 and the rainwater pipeline 41, so that the filter screen device 3 is suspended above the bottom of the rainwater well, and filtered impurities can fall off automatically.

The working process is as follows: 1. the water flow flows in from the incoming direction of the rainwater pipeline 41, firstly passes through the filter screen device 3, and can intercept large and small impurities in the water flow on the premise of ensuring the flow rate of the passing water flow; meanwhile, the concave design ensures that impurities can slide into the sewage collecting tank of the rainwater well 42 under the action of gravity after the water level is reduced, so that the device has self-cleaning capability and reduces the maintenance period and the cost of the device. 2. After water flows through the filter screen device 3, the water flows enter the variable arc water collection compression cavity 51 to be contracted and converged, the water flows are compressed under the action of hydraulic impact, and the water flow speed is increased. 3. The water flow with the flow velocity increased enters the power generation channel to impact the micro hydraulic turbine generator 6, and the water flow energy is converted into electric energy. 4. The electric energy enters the energy storage device for storage through the power transmission device (the lead 7), and the stored electric energy provides electric energy for various terminal devices. 5. The communication and positioning module in the energy storage device can provide operation and state information of equipment for remote operation and maintenance personnel, and operation and maintenance in later period are facilitated.

The present invention has been described in detail, and it should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.