Autonomous water-tank micro hydro-electric power station

FIELD: electricity.

SUBSTANCE: the micro hydro-electric power station is designed for converting energy of flowing medium into electrical energy. The device contains of ground unit, consisting of electricity distributing device, control system and controlled ballast load, a fixed water tank, generator located lower than the level of water in the hermetic tank and connected to the ground unit using water resistant cable. The water turbine with a horizontal axis of rotation, is mounted at the run-out and connected to the shaft of the generator through a gear transmission, in the form a multiplier located in a gondola. A cone is placed on the inlet of the run-out in front of the water turbine. The generator is located in the direction of flow behind the multiplier in the same gondola, which is supplied with a device for pumping water from its bottom part. The cone is made of flat elements; part of which is made in such a way that turning about longitudinal axes is possible. A driving gear is provided for this purpose.

EFFECT: increased operation reliability; power regulation.

6 cl, 1 dwg

 

The invention relates to hydropower, in particular to videogreen the free-threaded microhydroelectric designed for year-round stable Autonomous supply consumers with electricity, and can be used to power farms, weather stations, exploration and other categories of consumers.

Known Autonomous vodopogruzhaemy free-threaded micro hydropower plant on utility model No. 23317 adopted for the prototype, containing fixed vodopogruzhaemy module that includes a turbine with a horizontal axis of rotation, which is connected via located in the gondola and made in the form of a multiplier gear with the shaft of the generator, the diffuser functions of the body in which the turbine and nacelle, tapered grille, located at the entrance of the diffuser in front of the turbine, the generator, placed below the water level and mounted in a sealed enclosure connected to the gondola multiplier located vertically sealed tube, and the generator is connected with water-resistant cable with ground block containing electro-switchgear, control unit and controlled ballast load.

In common with the proposed technical solution is with ewusie significant features - Autonomous vodopogruzhaemy free-threaded micro hydropower plant contains ground unit that includes a power distribution device, the system (unit) management and managed ballast load, fixed vodopogruzhaemy module including a generator located below the level of water in a sealed enclosure and connected to the ground block waterproof cable placed in the diffuser for a turbine with a horizontal axis of rotation, which is connected via located in the gondola and made in the form of a multiplier gear with the shaft of the generator, tapered grille, located at the entrance of the diffuser in front of the turbine.

This adopted as a prototype of Autonomous free-threaded microhydroelectric has the following disadvantages:

- placement of the generator above the body with the nacelle and turbine though and reduces the risk of falling into water generator, however, significantly increases the already large enough overturning moment, especially at higher velocities during flood;

- there is a possibility of water ingress into the gondola, and then in the region of the generator;

- protective cone lattice has a significant resistance to flow and turbulizer flow before the turbine;

OTS is tstuat regulation of frequency of rotation of the turbine shaft, and the restriction of the volume (velocity) flow - flood period increased by several times the speed of flow can bring the equipment out of operation.

The invention solves the problem of reducing the resistance of the hydro-flow, reducing the overturning moment, sustainability, prevention of water ingress to the area of the generator, as well as regulation (restrictions) of the volume (velocity) of the flow entering the turbine.

To achieve the technical result in the Autonomous vodopogruzhaemy the free-threaded microhydroelectric containing ground unit that includes a power distribution device, the management system and managed ballast load, fixed vodopogruzhaemy module including a generator located below the level of water in a sealed enclosure and connected to the ground block waterproof cable placed in the diffuser for a turbine with a horizontal axis of rotation, which is connected via located in the gondola and made in the form of a multiplier gear with the shaft of the generator, tapered grille, located at the entrance of the diffuser in front of the turbine, the generator is located in the flow direction behind the multiplier in common with him gondola, which supply the and device for pumping water from the bottom, conical grating is made of flat elements (metal bands), at least part of which (for materiality regulation is nearest to the base of the cone lattice) is made with the possibility of rotation about the longitudinal axis and equipped for this drive (manual or automatic, for example, with a drive from the stream).

In addition, to improve the stability of the gondola rests on the bottom through the racks supplied with the reference sites, with an additional capacity for accumulation of filtered water and pumping at least one of the support stands are made hollow and communicated with the gondola being its lower part. In order to stabilize the rotation speed of the turbine (regulation of electricity) turbine may be provided with a mechanism for regulating the angle of rotation of the blades, which are made with the possibility of rotation about their longitudinal axes. To ensure sustainability of the plant at the maximum flood flow station (vodopogruzhaemy module) can be provided with an anchor located on the stream in front of her and connected with the top of the conical grate.

Distinctive features of the proposed Autonomous free-threaded vodopogruzhaemy microhydroelectric from known, privateuse prototype, following are the generator is located in the flow direction behind the multiplier in common with him the bird, which is provided with a device for pumping water from the bottom, conical grating is made of flat elements, at least part of which is made with the possibility of rotation about the longitudinal axis and equipped for this drive, and also the gondola rests on the bottom through the racks, equipped with anchor pads, at least one of the support stands are made hollow and communicated with the gondola being its lower part, the turbine is equipped with a mechanism of regulation of the angle of rotation of the blades, which are made with the possibility of rotation about their longitudinal axes, the station is equipped with an anchor located on the stream in front of her and connected with the top of the conical grate.

Due to the presence of these distinctive features in conjunction with the known (specified in the restrictive part of the formula) is achieved by the following technical result - decrease the resistance of the hydro-flow, as well as the overturning moment, ensures unconditional stability, prevents water penetration into the region of the generator, and in case of contact is ensured by its collection and removal, limited amount of water to the turbine, providing sustainable robotos osobnosti station, and a regulation of the rotation speed of the turbine.

The proposed solution can be used in the construction of microhydroelectric used for year-round stable electricity supply Autonomous consumers, such as farmers, weather stations, exploration and other categories of consumers, connecting them to a centralized network unprofitable or impossible.

The technical solution is illustrated in the drawing. Shown in the drawing Autonomous free-threaded vodopogruzhaemy micro hydropower plant consists of a ground block that includes a power distribution device, the management system and managed ballast load (in the drawing not shown)fixedly mounted vodopogruzhaemy module that includes a generator 1, located below the level of the water in the gondola 2 and connected with the ground unit waterproof cable (drawing not shown)placed in the diffuser 3 turbine 4 with a horizontal axis of rotation 5, which is connected via located in the nacelle 2 and is made in the form of a multiplier 6 gear with the shaft 7 of the electric generator 1, the conical grate 8, located at the entrance of the diffuser 3 before the turbine 4. The generator 1 is located in the flow direction behind the multiplier 6 in about the ing with him gondola 2, which is provided with a device (pump) for pumping water, for example, with automatic start, (in the drawing not shown) from the bottom. Conical grating 8 is made of metal strips 9, at least part of which is rotatable part 10 (for materiality regulation is nearest to the base of the cone lattice 8) is made with the possibility of rotation about the longitudinal axis and is provided for the actuator 11 (in this case, an automatic actuator 16 from the stream). The second part of the stationary part 12 of the grating 8, adjacent to the top 13 of the cone has a fixed strip 9, oriented to the least resistance to flow. Gondola 2 (hydroelectric power plant by gondola) 2 rests on the bottom through the racks 14, provided with support pads 15. At least one of the support legs 14 is hollow and communicates with the gondola 2, as its lower part, where is pumping filtered water or condensate. In order to stabilize the rotation speed of the turbine (regulation of electricity) turbine may be provided with a mechanism for regulating the angle of rotation of the blades (in the drawing not shown), which are made with the possibility of rotation about their longitudinal axes. This mechanism can be performed similarly to the appropriate mechanism, such as, for petroco the EU (co, for example, similar to the widely known centrifugal mechanisms angle of the blades). To ensure sustainability of the plant at the maximum flood flow, vodopogruzhaemy module is equipped with an anchor (in the drawing not shown)located on the stream in front of her and connected with the top of the conical grating 8.

The proposed Autonomous free-threaded vodopogruzhaemy micro hydropower plant works similarly well-known. In videogreen module the flow of water passes through inhibiting foreign objects conical grating 8, and increasing the rate due to the vacuum generated by the diffuser 3, is fed to the blades of the turbine 4, which rotates transmit torque through the main shaft 5 and is located in the nacelle 3 multiplier 4 on the shaft 5 of the electric generator 6. With an estimated current velocities flat elements 15 of the grating 8 is deployed on over, almost without resistance, and assisting in the formation of stable water flow.

At the same time entering into a gondola 2 water or accumulation of condensation flowing into the cavity of the rack 14, where, with the help of the pump is removed outside of the nacelle 2 (for example, just out on the highway, with check valve). During periods of time when the flow rate exceeds a safe level (flood, storm flows, etc.), the rotary part of the lattice 10 automatically drive 11 (the water pressure on the actuator 16) is rotated from the feathered position at the calculated position. Preventing damage to the turbine. The grill can be closed to prevent debris from entering the region gidrokolesa and various small (smaller slit grating) of the subjects during the flood. Due to the regulation of the angle of rotation of the blades gidrokolesa achieved by automatic regulation of the speed of rotation of the shaft of the turbine, and hence the stabilization of electricity.

1. Autonomous free-threaded micro hydropower plant containing ground unit that includes a power distribution device, the management system and managed ballast load, fixed vodopogruzhaemy module including a generator located below the level of water in a sealed enclosure and connected to the ground block waterproof cable placed in the diffuser for a turbine with a horizontal axis of rotation, which is connected via located in the gondola and made in the form of a multiplier gear with the shaft of the generator, tapered grille, located at the entrance of the diffuser in front of the turbine, wherein the generator is located in the flow direction behind the multiplier in common with him gondola, the cat heaven provided with a device for pumping water from the bottom, conical grating is made of flat elements, at least part of which is made with the possibility of rotation about the longitudinal axis and equipped for this drive.

2. Autonomous micro hydropower plant according to claim 1, characterized in that the gondola is based on the bottom through the racks, equipped with anchor platforms.

3. Autonomous micro hydropower plant according to claim 2, characterized in that at least one of the support stands are made hollow and communicated with the gondola being its lower part.

4. Autonomous micro hydropower plant according to any one of claims 1 to 3, characterized in that the turbine is equipped with a mechanism of regulation of the angle of rotation of the blades, which are made with the possibility of rotation about their longitudinal axes.

5. Autonomous micro hydropower plant according to any one of claims 1 to 3, characterized in that it is equipped with an anchor located on the stream in front of her and connected with the top of the conical grate.

6. Autonomous micro hydropower plant according to claim 4, characterized in that it is equipped with an anchor located on the stream in front of her and connected with the top of the conical grate.



 

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