CN203742916U - Road surface electricity generating device - Google Patents

Abstract

The utility model discloses a road surface electricity generating device. The road surface electricity generating device comprises a liquid box filled with driving liquid. A piston is arranged on the upper portion of the liquid box, the upper surface of the piston is provided with a stand column, and the stand column is provided with an automobile stopping plate. A spring is arranged inside the liquid box, and the spring is in contact with the piston. One side of the liquid box is respectively provided with a liquid outlet and a returning port, the liquid outlet and the returning port are communicated with a standby liquid storage box through a pipeline and a returning pipeline respectively, and impellers are connected to the pipeline and connected with a generator. An automobile is used for grinding the liquid box buried under the road surface when passes through an expressway toll station, and liquid in the liquid box is forced to be quickly extruded out to drive the impeller generator to generate electricity. The road surface electricity generating device has the advantages of being simple in structure, high in electricity generating power and friendly to the environment and saving energy.

Description

A road power generating device

technical field

The utility model belongs to devices in the field of traffic and energy, in particular to a road surface power generation device. the

technical background

Expressway tunnels, toll stations, and lighting facilities in service areas consume a lot of electricity, and thermal power generation devices are generally used for power supply. In today's power shortage, how to realize energy saving for highway lighting has become an important issue. the

Contents of the invention

In view of the above problems, the purpose of this utility model is to provide a road surface power generation device with simple structure, high electric power, energy saving and environmental protection. The liquid tank buried under the road surface is rolled and pressed at the same time, forcing the liquid in the liquid tank to be squeezed out quickly, and driving the impeller generator to generate electricity. the

In order to achieve the above tasks, the utility model takes the following technical solutions to achieve:

A road surface power generation device, characterized in that it includes a liquid tank, the liquid tank is equipped with a driving fluid; above the liquid tank, there is a piston, the upper surface of the piston is provided with a column, and a car stop plate is installed on the column;

There is a spring in the liquid tank, and the spring is in contact with the piston;

A liquid outlet and a return port are respectively arranged on one side of the liquid tank, and the liquid outlet and the return port are respectively connected with the spare liquid storage tank through a pipeline and a return pipeline, and an impeller is connected to the pipeline, and a generator is connected to the impeller. the

Other features of the utility model are:

The liquid outlet and the return port are equipped with one-way valves. the

The drive fluid is antifreeze. the

The road surface power supply device of the present utility model is a new power supply, and its power generation principle process is as follows:

When the car passes through the high-speed toll station, passes the deceleration belt and slowly drives onto the parking plate to wait for inspection, the piston is crushed, and a certain amount of driving liquid with a height h in the liquid tank is quickly squeezed out from the outlet in a short time, and at the same time, the The spring is compressed, and the one-way valve at the return port is closed; the fast liquid flow drives the impeller to rotate, which drives the generator to generate electricity; the liquid flows into the reserve liquid storage tank, and after the car passes by, the piston recovers under the restoring force of the spring, and the one-way valve at the return port opens. The liquid in the spare liquid storage tank flows back to the original liquid tank through the return pipe, and waits for the next car to roll and generate electricity. the

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the road surface generating device of the present utility model;

Fig. 2 is a front view structural schematic diagram of the road power generation device of the present utility model. the

The marks in the figure represent respectively: 1. Automobile stop plate, 2. Upright column, 3. Piston, 4. Liquid tank, 5. Liquid outlet (with check valve installed), 6. Spring, 7. Pipeline, 8. Impeller , 9, generator, 10, spare liquid storage tank, 11, return pipe, 12, return port (installation check valve). the

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail. the

Detailed ways

Referring to Fig. 1 and Fig. 2, the present embodiment provides a specific structure of a road power generation device, including a liquid tank 4, the liquid tank 4 is equipped with driving fluid; above the liquid tank 4, there is a piston 3, and the upper surface of the piston 3 is provided with a column 2. A car stop plate 1 is installed on the column 2;

A spring 6 is provided in the liquid tank 4, and the spring 6 is in contact with the piston 3;

On one side of the liquid tank 4, there are respectively a liquid outlet 5 and a return port 12, the liquid outlet 5 and the return port 12 communicate with the spare liquid storage tank 10 through the pipeline 7 and the return pipeline 11 respectively, and the impeller 8 is connected to the pipeline 7 , the impeller 8 is connected with a generator 9 . the

Auto stop plate 1, column 2, piston 3, liquid tank 4 and driving liquid constitute the power part of the device, and the driving liquid is quickly extruded from the outlet pipe through automobile rolling; driving impeller 8 and generator 9 generate electricity; spring 6, The spare liquid storage tank 10, the return pipe 11 and the return port 12 form the return flow of the driving liquid. the

Take the width of car size and road as example, establish and bury a=5m long, b=2.5m wide liquid tank 4 under the road surface, liquid is housed in the liquid tank 4. Piston 3 is arranged above liquid tank 4, and column 2 is arranged on piston 3, and automobile stop plate 1 is arranged on column 2. The liquid tank 4 is provided with a spring 6, and the spring 6 is in contact with the piston 3; one side of the liquid tank 4 has a liquid outlet 5 with a check valve and a return port 12 with a check valve, wherein the liquid outlet 5 communicates with the spare liquid storage tank 10 through the pipeline 7, and the impeller 8 is connected to the pipeline 7, and the impeller 8 is connected with the generator 9; the return port 12 communicates with the spare liquid storage tank 10 through the return pipeline. the

In the present embodiment, the stroke of the piston 3 is designed to be 10 cm, and the inclination of the car stop plate 1 is 0.80, which is convenient for the car to drive in and out without affecting the normal driving. the

The above-mentioned road surface power supply device is buried under the road surface of the checkpoint of the expressway toll station. The power generation process is: when the car passes the deceleration belt and slowly drives to the car stop plate 1, the piston 3 is rolled, and the piston 3 puts the liquid tank in a short time. In 4, the liquid at a height of h=10cm is quickly extruded from the liquid outlet 5, and at the same time the spring 6 is compressed, and the one-way valve at the return port 12 is closed; the liquid drives the impeller 8 to rotate through the pipeline 7, and drives the generator 9 to generate electricity; the liquid flows into the standby liquid storage Tank 10, after the car passes by, the piston 3 recovers under the action of the spring 6, the one-way valve at the return port 12 opens, the liquid in the spare liquid storage tank 10 flows back to the original liquid tank 4 through the return pipe 11, and waits for the next car to roll and generate electricity . the

According to the applicant's test, the road power generation device prepared in the above embodiment has a relatively large power generation. Each time it is rolled by a car, 1.25 m3 of liquid is extruded through the pipe 7 with a diameter of 20 cm in about 5 seconds. The power generation efficiency is calculated as 75%. , The electric power generated by each rolling can reach 5.9kw. the

The applicant calculated that the road power generation device prepared in this embodiment can generate 0.008kw·h of electric energy for every passing car. For example, the road power generation device is installed at the entrance and exit of a highway, and about 5,000 cars pass by every day, which can generate about 40kw·h of electric energy. Of course, the road surface power supply device can also be installed under the road surface at the gate of a parking lot or a residential area, and can be used for power consumption by a reception room or a toll booth. the

If the driving fluid decreases after a long time of use, it can be replenished from the spare fluid storage tank 10 . the

The above embodiments are only for those skilled in the art to understand. The utility model is not limited to the above embodiments. All structural equivalent transformations or additions made in the technical solution of the application should belong to the protection scope of the utility model. the

Claims (3)

1. a pavement generating set, is characterized in that, comprises fluid box (4), and fluid box is equipped with driving liquid in (4); In fluid box (4) top, have piston (3), piston (3) upper surface is provided with column (2), and automobile trading halt (1) is installed on column (2);

In fluid box (4), be provided with spring (6), spring (6) contacts with piston (3);

In fluid box (4) one sides, there are respectively liquid outlet (5) and refluxing opening (12), liquid outlet (5) and refluxing opening (12) are connected with standby liquid tank (10) by pipeline (7) and reflux line (11) respectively, on pipeline (7), be connected with impeller (8), at impeller (8), be connected with generator (9).

2. pavement generating set as claimed in claim 1, is characterized in that, described liquid outlet (5) and refluxing opening (12) add one-way valve.

3. pavement generating set as claimed in claim 1, is characterized in that, described driving liquid is antifreeze liquid.