CN201412262Y - Pipeline cascade power generation system - Google Patents

Abstract

The utility model discloses a pipeline cascade power generation system, which comprises a water conservancy pipeline and a power generation unit. Two or more power generation units are sequentially arranged in the water conservancy pipeline from top to bottom, and the pipeline is divided into a main pipeline and two or two More than two auxiliary pipelines, valve I is set at the front end of the auxiliary pipeline, and valve II is set at the upper end of the generating set in the main pipeline, and the number of auxiliary pipelines and valves is determined according to the number of generating sets. The utility model utilizes the potential energy generated by the water flow in the pipeline, and according to the vertical height of the pipeline, adopts multi-stage impellers to drive the generator in the pipeline, fully utilizes the potential energy generated by the water level difference, and has the advantages of high power generation efficiency, simple structure, and easy manufacture and installation. It is very suitable for small hydropower stations in mountainous areas.

Description

Pipeline cascade power generation system

technical field

The utility model relates to the field of mechanical design, in particular to a power generation system.

Background technique

Existing electric energy usually adopts hydroelectric power generation, thermal power generation, solar power generation, wind power generation, tidal power generation, etc., all of which use power devices to convert water energy, heat energy, solar energy, wind energy, and ocean energy into electric energy, but the above-mentioned power generation forms Most of them require a lot of investment, and the cost of equipment is high. In particular, thermal power generation is a waste of natural energy and pollutes the environment, while wind power, solar power and tidal power have low efficiency and are also affected by the natural environment. It is difficult to generate stable and balanced power. Suitable for large-scale promotion.

Utility model content

In order to solve the problems existing in the prior art, the utility model provides a pipeline cascade power generation system with low cost, easy management and maintenance, and environmental protection.

The utility model is achieved in that:

A pipeline cascade power generation system, including a water conservancy pipeline and a power generation unit, in which two or more power generation units are sequentially arranged from top to bottom; the pipeline is divided into a main pipeline and two or more Auxiliary pipeline, valve I is set at the front end of the auxiliary pipeline, valve II is set at the upper end of the generating set in the main pipeline, and the number of auxiliary pipelines and valves is determined according to the number of generating sets; a generating set is set at the lower end of the valve II, and the generating set includes impeller, transmission A shaft, a gear, and a generator, the impeller is connected to the gear, and the gear is connected to the generator through a transmission shaft.

Optionally, the inlet of the water conservancy pipeline is funnel-shaped.

When the water flow reaches the impeller of the first-stage generator, the water flow drives the impeller, and the impeller drives the gear to drive the transmission shaft, so that the external generator rotates to generate electricity. When the water flows down a certain distance to reach the impeller of the second-stage generator, the second-stage generator generates electricity. By analogy, different stages can be designed according to the height of the mountain and the size of the water flow. The multi-stage power generation system works at the same time, so that the potential energy of the water can be fully utilized.

When the primary power generation system needs to work, open the valve II of the primary power generation system and the valve I of the secondary auxiliary pipeline, close the valve II of the secondary power generation system, the water flow reaches the impeller of the primary generator, the water flow drives the impeller, and the impeller drives the gear Drive the transmission shaft to make the external generator rotate to generate electricity; when it is necessary to close the primary power generation system and make the secondary power generation system work, close the valve II of the main pipeline of the primary power generation system, and open the valve I of the auxiliary pipeline of the primary power generation system and the valve II of the main pipeline of the secondary power generation system, then the secondary power generation system works.

The utility model utilizes the potential energy generated by the water flow in the pipeline, and according to the vertical height of the pipeline, adopts multi-stage impellers to drive the generator in the pipeline, fully utilizes the potential energy generated by the water level difference, and has the advantages of high power generation efficiency, simple structure, and easy manufacture and installation. It is very suitable for small hydropower stations in mountainous areas; the auxiliary pipeline is convenient for the repair and maintenance of each level of generator, and the normal operation of the generator below is not affected during the repair and maintenance of the first level generator; the entrance of the water conservancy pipeline is a funnel Shaped design can strengthen the potential energy of water and improve power generation efficiency.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the utility model, constitute a part of the application, and do not constitute an improper limitation of the utility model. In the accompanying drawings:

Fig. 1 is a schematic structural diagram of a pipeline cascade power generation system provided by an embodiment of the present invention.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments. The schematic embodiments and descriptions of the utility model are used to explain the utility model, but not as a limitation to the utility model.

As shown in Figure 1, the pipeline cascade power generation system provided by this embodiment includes water conservancy pipelines and power generation units, and two or more power generation units are arranged sequentially in the water conservancy pipeline from top to bottom, and the entrance 1 of the water conservancy pipeline is funnel-shaped The pipeline is divided into main pipeline 2 and 2 or more auxiliary pipelines 3, the front end of the auxiliary pipeline 3 is provided with a valve I4, the upper end of the main pipeline 2 is provided with a valve II5, and the number of auxiliary pipelines 3 and valves is based on the number of the power generating set Depending on the quantity; a generating set is set at the lower end of the valve II5, and the generating set includes an impeller 6, a transmission shaft 7, a gear 8, and a generator 9. The impeller 6 is connected with the gear 8, and the gear 8 is connected with the generator 9 through the transmission shaft 7.

When the water flow reaches the first-stage generator impeller 6, the water flow drives the impeller 6, and the impeller 6 drives the gear 8 to drive the transmission shaft 7, so that the external generator 9 rotates to generate electricity, and when the water flow flows down a certain distance to reach the second-stage generator impeller 6, the second Stage generator 9 generates electricity, and so on, can design different stages according to the size of mountain situation height and water flow, multi-stage generating system works simultaneously, makes the potential energy of water fully utilize.

When the primary power generation system is required to work, open the valve II5 of the primary power generation system and the valve I4 of the secondary auxiliary pipeline, close the valve II5 of the secondary power generation system, the water flow reaches the impeller 6 of the primary generator, the water flow drives the impeller 6, and the impeller 6. The drive gear drives the transmission shaft 7, so that the external generator 9 rotates to generate electricity; when it is necessary to close the primary power generation system and make the secondary power generation system work, close the valve II5 of the main pipeline of the primary power generation system, and open the primary power generation system The valve I4 of the auxiliary pipeline and the valve II5 of the main pipeline of the secondary power generation system, the secondary power generation system works.

Claims (2)

1, a kind of pipeline step power generation system, it is characterized in that: described system comprises water pipeline and generating set, from top to bottom sets gradually two or more generating sets in described water pipeline; Described pipeline is divided into main pipe and the subsidiary conduit more than 2 or 2, and the subsidiary conduit front end is provided with valve I, and the generating set upper end is provided with valve II in the main pipe, and the quantity of subsidiary conduit and valve is decided according to the quantity of generating set; In valve II lower end generating set is set, described generating set comprises impeller, transmission shaft, gear, generator, and described impeller is connected with gear, and gear is connected with generator by transmission shaft.

2, pipeline step power generation system as claimed in claim 1, it is characterized in that: the water pipeline ingress is a funnel shape.