TWI831675B - hydroelectric power generation system - Google Patents

Abstract

The present invention discloses a hydropower generation system, which is a hydropower generation system that welds a plurality of spiral blades inside a drum with an inclined angle and combines the kinetic energy and potential energy of the water flow to improve the power generation efficiency. The invention includes a support unit, a rotating unit, and a guide. The guide unit and the transmission unit, whereby the present invention welds the spiral blades in the drum with an inclined angle to form an internal spiral flow channel in the drum, and is covered by the outer periphery of the drum to guide the water flow to directly contact the spiral blades and generate The torque causes the spiral blade to drive the drum to rotate, and then drives the power generation module to rotate through the transmission belt, thereby converting the mechanical kinetic energy into electrical energy. It is indeed possible to use the tilted drum combined with changes in water flow level to jointly generate electricity. It uses fewer parts and is easy to install and install. Maintenance and improvement of the power generation efficiency of small hydroelectric generators and other advantages.

Description

hydroelectric power generation system

The present invention relates to a hydropower generation system, and in particular, to a hydropower generation system in which a plurality of spiral blades are welded inside a drum with an inclined angle and combine the kinetic energy and potential energy of water flow to improve power generation efficiency.

According to the press, the spiral turbine is a small water flow generator suitable for ditch power generation. Because of the complex shape of its built-in spiral blades, the passing fluid can obtain greater torque in a shorter stroke and produce a higher speed. In order to obtain better power generation efficiency; however, the general spiral turbine has an open structure and cannot effectively and completely guide the water flow in the ditch to directly interact with the spiral blades, making it impossible to further improve the overall power generation efficiency. And the outer spiral blades will cause water leakage when the turbine rotates, which not only slows down the rotation speed of the spiral blades, but also further reduces the efficiency of power generation; therefore, how to effectively prevent water in the ditch from flowing through through innovative hardware design The problem of water leakage caused by spiral blades can be eliminated, and fewer parts can be used to achieve the purpose of easy installation and maintenance, thereby effectively improving the power generation efficiency of hydroelectric generators. This is what developers and related researchers in hydroelectric generators and other related industries need to continue to do. Work hard to overcome and solve the problems.

Now, in view of the fact that the traditional spiral turbine still has many shortcomings in actual implementation, the inventor has worked tirelessly to improve it with the help of his rich professional knowledge and years of practical experience. And based on this, the present invention was developed.

The main purpose of the present invention is to provide a hydropower generation system, especially a hydropower generation system that welds a plurality of spiral blades inside a drum with an inclined angle and combines the kinetic energy and potential energy of the water flow to improve the power generation efficiency, mainly by The inner wall of the drum with an inclined angle is welded with a hardware design of multiple spiral blades, effectively forming a plurality of internal spiral flow channels inside the drum, and the periphery formed by the drum is completely covered to effectively guide the water flow in the ditch. It can directly contact the spiral blades and generate torque, so that the spiral blades can drive the drum to rotate together, and then drive the brushless generator of the power generation module to rotate through the transmission belt, thereby converting mechanical kinetic energy into electrical energy, and can improve the traditional appearance. The water leakage phenomenon of the spiral hydroelectric generator can indeed achieve the purpose of using the inclined drum design to combine the change of water flow from top to bottom to generate electricity, and using fewer parts to achieve the purpose of easy installation and maintenance and the improvement of small hydroelectric generators. Main advantages such as power generation efficiency.

In order to achieve the above-mentioned implementation objectives, the inventor proposes a hydropower generation system, which is installed in a ditch with a water flow. The hydropower generation system at least includes a support unit, a rotation unit, a guide unit, and a transmission unit. ; The support unit includes a base, and a first support frame and a second support frame respectively erected at two ends of the base, wherein the water flow of the ditch first contacts the first support frame, and the height of the first support frame is higher than The height of the second support frame; the rotating unit includes a drum with an accommodation space, an axis arranged in the accommodation space, and a plurality of spiral blades arranged around the axis, wherein two spiral blades are arranged on the axis The first protruding part and the second protruding part at the end respectively protrude from the two ends of the drum and are axially arranged on a first bearing and a second bearing, and the first bearing and the second bearing are arranged correspondingly. On the first support frame and the second support frame, a first included angle is set between the drum and a horizontal plane. The axis and the spiral blades are respectively fixed on the drum, and each spiral blade is connected to the axis. The clamp is provided with a second included angle; the guide unit is provided on an end surface of the base facing the water flow in the ditch. The guide unit includes a guide groove and a guide piece provided at one end of the guide groove. The groove and the guide piece are located on the water path of the water flow in the ditch to guide the water flow into the drum; the transmission unit includes a power generation module and a winding circuit between the power generation module and the first protruding part. The transmission belt transmits the kinetic energy generated by the rotation of the axis to the power generation module to generate electrical energy.

As mentioned above, in the hydroelectric power generation system, the water flow system in the ditch completely covers the drum.

As mentioned above, in the hydroelectric power generation system, the drum is made of stainless steel.

In the above hydroelectric power generation system, the axis is fixed on the inner side of the drum through a plurality of support rods.

As mentioned above, in the hydroelectric power generation system, four spiral blades made of metal sheets are arranged in a ring around the axis.

As mentioned above, in the hydroelectric power generation system, the first included angle is between 0 degrees and 60 degrees.

As mentioned above, in the hydroelectric power generation system, the second included angle is between 20 degrees and 40 degrees.

As mentioned above, in the hydroelectric power generation system, the guide groove is in the shape of a semi-arc to guide the water flowing around the drum to the inside of the drum.

In the above hydroelectric power generation system, the guide piece has an inclination angle so that the water flow at the bottom of the ditch can flow along the guide piece to the guide groove and then enter the inside of the drum.

As mentioned above, in the hydroelectric power generation system, the power generation module is a disc-shaped brushless generator.

As mentioned above, in the hydroelectric power generation system, the power generation module can be further electrically connected to an electronic component to provide the electrical energy required for the operation of the electronic component.

Therefore, the hydroelectric power generation system of the present invention mainly adopts the hardware design of welding a plurality of spiral blades on the inner wall of the drum with an inclined angle, thereby effectively forming a plurality of internal spiral flow channels inside the drum, and the drum is The formed periphery is completely covered and effectively guides the water flow in the ditch. It can directly contact the spiral blades and generate torque, so that the spiral blades can drive the drum to rotate together, and then drive the brushless generator of the power generation module to rotate through the transmission belt. , and then convert mechanical kinetic energy into electrical energy, and can improve the leakage phenomenon of traditional external screw hydroelectric generators, and indeed achieve the purpose of using the inclined drum design combined with the change of water flow from top to bottom to jointly generate electricity, and using fewer parts. It has the main advantages of easy installation and maintenance and improving the power generation efficiency of small hydroelectric generators.

In order to help the examiner understand the technical features, content and advantages of the present invention and the effects it can achieve, the present invention is described in detail below in conjunction with the accompanying drawings and in the form of embodiments. The drawings used therein are as follows. The subject matter is only for illustration and auxiliary description, and does not necessarily represent the actual proportions and precise configurations after implementation of the present invention. Therefore, the proportions and configuration relationships of the attached drawings should not be interpreted to limit the scope of rights of the present invention in actual implementation. Let’s explain first.

First, please refer to Figures 1 to 5, which are multiple system operation schematic diagrams, a single system operation schematic diagram, the overall system front view, the overall system rear view, and the overall system operation diagram of a preferred embodiment of the hydroelectric power generation system of the present invention. Cross-sectional view, in which the hydroelectric power generation system (1) of the present invention is composed of at least a support unit (11), a rotation unit (12), a guide unit (13) and a transmission unit (14), in which at least A hydroelectric power generation system (1) is installed in a ditch (2) with a water flow. For example, a hydroelectric power generation system (1) is placed in the ditch (2) as shown in Figure 1, or as shown in Figure 2 As shown in the figure, two hydroelectric power generation systems (1) are placed in the ditch (2) to increase the efficiency of power generation. The ditch (2) is one of a ditch, a canal, a river or an irrigation channel. , the water flow system in the ditch (2) can flow through the hydropower generation system (1) of the present invention, and completely cover the drum (121) of the rotating unit (12); thereby, the hydropower generation system (1) of the present invention Mainly through the hardware design of welding a plurality of spiral blades (123) on the inner wall of the drum (121) with an inclined angle, a plurality of internal spiral flow channels are effectively formed inside the drum (121), and from the The outer periphery formed by the drum (121) completely covers and effectively guides the water flow in the ditch (2) to directly contact the spiral blades (123) and generate torque, so that the spiral blades (123) can drive The drum (121) rotates together, and then drives the brushless generator of a power generation module (141) to rotate through a transmission belt (142), thereby converting mechanical kinetic energy into electrical energy, and can improve the performance of traditional external screw hydroelectric generators. The phenomenon of water leakage can indeed achieve the purpose of using the tilted drum (121) design to combine the change of water flow from top to bottom to jointly generate electricity, and use fewer parts to achieve the purpose of easy installation and maintenance and improve the power generation efficiency of small hydroelectric generators. and other major advantages.

The support unit (11) is composed of at least a base (111), a first support frame (112) and a second support frame (113), wherein one end of the base (111) is higher than the other A metal frame in the form of a triangular base at one end, and the first support frame (112) and the second support frame (113) are respectively erected at the two ends of the base (111), so that the first support frame The height of (112) is higher than the height of the second support frame (113). When the hydroelectric power generation system (1) is placed in the ditch (2), the water flow in the ditch (2) will first contact the first support Frame(112).

Please refer to Figures 6 and 7 together, which is a schematic diagram of the combination of a drum and a spiral blade according to a preferred embodiment of the hydroelectric power generation system of the present invention, as well as a schematic diagram of the engagement angle of the spiral blade, in which the rotating unit (12) is at least It is composed of a roller (121), an axis (122), four spiral blades (123), a first bearing (124) and a second bearing (125), wherein the roller (121) An accommodating space (1211) is provided inside, and the drum (121) is made of a stainless steel sheet with a thickness of 1 cm, and the diameter is between 65 cm and 75 cm, with the optimal diameter being 70 cm. ; In addition, the axis (122) is arranged in the accommodation space (1211), and the two ends of the axis (122) respectively include a first protrusion protruding to the outside of the drum (121). The protruding part (1221) and the second protruding part (1222), wherein the first protruding part (1221) and the second protruding part (1222) are respectively axis-disposed on a first bearing (124) and a second protruding part (1222). on two bearings (125), and the first bearing (124) and the second bearing (125) are correspondingly provided on the first support frame (112) and the second support frame (113) of the support unit (11) Because the height of the first support frame (112) is higher than the height of the second support frame (113), the drum (121) will be sandwiched between a horizontal surface, such as the bottom surface of the trench (2), and a The first included angle (θ1), and the first included angle (θ1) is between 0 degrees and 60 degrees; please refer to Figures 1 and 2 again, where the direction of the roller (121) is set It is parallel to the direction of water flow in the ditch (2), and one end of the drum (121) is higher than the other end. The water flow in the ditch (2) enters the drum (121) from the higher end. Inside the drum (121), after the water flow contacts the spiral blades (123) provided inside the drum (121), it flows out of the drum (121) from the lower end (as shown in the direction of the arrow in Figure 1 shown); furthermore, the axis (122) is fixed on the inner end surface of the drum (121) through a plurality of support rods (1223).

In addition, four spiral blades (123) are arranged in a ring around the axis (122), wherein the spiral blades (123) are cut and bent from a metal sheet with a thickness of 1 mm. One end of (123) is connected to the axis (122), and the blade surface of the spiral blade (123) and the surface of the axis (122) are provided with a second included angle (θ2), wherein the third The two included angles (θ2) are a helix angle, and the second included angle (θ2) is between 20 degrees and 40 degrees, and the optimal angle is 30 degrees. The second included angle (θ2) cannot be too large. Otherwise, the force of the water flow to drive the spiral blade (123) to twist will become smaller, and the purpose of increasing the power generation efficiency cannot be achieved; furthermore, the other end of the spiral blade (123) away from the axis (122) is connected and fixed on the inner end surface of the drum (121), that is to say, the 4 spiral blades (123) are tied between the drum (121) and the axis (122) to form 4 independent and Unconnected inner spiral flow channels, and the water flow in the ditch (2) enters the accommodation space (1211) from the higher end of the drum (121) and then flows into the inner spiral flow channels. Because the inner spiral flow channels The flow channel is spiral, and the spiral blades (123) are completely sealed and fixed with the drum (121) and the axis (122). Therefore, the water flow entering the drum (121) will not leak. To other places, and the water flow flowing in the inner spiral flow channels will drive the drum (121), the axis (122) and the spiral blades (123) to rotate simultaneously and with maximum force.

The guide unit (13) is disposed on an end face of the base (111) facing the forward flow of water in the ditch (2), wherein the guide unit (13) is composed of at least a guide groove (131) and a guide The guide piece (132) is assembled at the lower end of the guide groove (131), and the guide groove (131) and the guide piece (132) are located in the trench. (2) on the water path of the water flow to guide the water flow into the drum (121). That is to say, the guide groove (131) is in a semi-arc shape to guide the water flow to the drum (121). 121) The surrounding water flow is guided to the inside of the drum (121), and the guide piece (132) has an inclined angle so that the water flow at the bottom of the ditch (2) can follow the guide piece (132) ) flows to the guide groove (131) and then enters the inside of the drum (121).

The transmission unit (14) is composed of at least a power generation module (141) and a transmission belt (142), wherein the power generation module (141) is a disk-shaped brushless generator, that is, The brushless generator is equipped with a powerful magnet on a rotor, and a coil disk is provided on the upper and lower sides of the rotor, with a conical coil placed inside. The transmission belt (142) is wound around the power generation module ( Between the rotor of 141) and the first protruding portion (1221) of the axis (122), when the water flow in the ditch (2) drives the drum (121), the axis (122) and the spiral blades (123) When rotating, the rotational kinetic energy of the first protruding portion (1221) will drive the rotor of the power generation module (141) to rotate along with the transmission belt (142). When the rotor rotates, the coil disk will It is cut by the conical coil to generate current and generate electricity, that is, the kinetic energy generated by the rotation of the drum (121), the axis (122) and the spiral blades (123) is transferred to the power generation module (141) Generate an electrical energy.

In a preferred embodiment of the present invention, the rotation speed of the roller (121) is approximately 50 revolutions per minute (revolution pre minute, rpm), and the diameter of the roller (121) is 700 mm, and The diameter of the power generation module (141) is 12 mm. The rotation speed of the power generation module (141) is amplified by about 6 times and can reach 300 rpm. The voltage generated by the power generation module (141) is about 5 volts. to 20 volts. Therefore, the power generation wattage of the power generation module (141) is about 5 watts. That is to say, the hydropower generation system (1) of the present invention generates electricity through the water flow of the ditch (2). The power is about 5 watts; in addition, the power generation module (141) can be electrically connected to an electronic component (not shown in the figure), and the power generated by the power generation module (141) can be used to supply the electronic component during operation. To use the required electrical energy, the electronic components can be, for example, but not limited to, street lights or signal lights (such as traffic lights) beside the road. That is, the hydroelectric power generation system (1) of the present invention can be installed in a drainage ditch beside the road. , the electric energy generated by the operation of the hydroelectric power generation system (1) caused by the water flow in the drainage ditch can be simultaneously and immediately supplied to the street lights or signal lights on the roadside. There is no need to use power generation and cable power supply, which effectively saves money. The cost of setting up the power grid and avoiding the loss of electrical energy in cable transmission.

It can be seen from the above implementation description that compared with the existing technologies and products, the hydroelectric power generation system of the present invention has the following advantages:

1. The hydroelectric power generation system of the present invention mainly adopts the hardware design of welding a plurality of spiral blades on the inner wall of a drum with an inclined angle, effectively forming a plurality of internal spiral flow channels inside the drum, and is controlled by the drum. The formed periphery is completely covered and effectively guides the water flow in the ditch. It can directly contact the spiral blades and generate torque, so that the spiral blades can drive the drum to rotate together, and then drive the brushless generator of the power generation module to rotate through the transmission belt. Then the mechanical kinetic energy is converted into electrical energy, and the water leakage phenomenon of the traditional external spiral hydroelectric generator can be improved, and the tilted drum design can be combined with the change of the water flow from top to bottom to jointly generate electricity, and the use of fewer parts can be achieved. The main advantages include easy installation and maintenance and improving the power generation efficiency of small hydroelectric generators.

To sum up, the hydroelectric power generation system of the present invention can indeed achieve the expected use effects through the embodiments disclosed above, and the present invention has not been disclosed before the application, and it has fully complied with the provisions and requirements of the patent law. . If you submit an application for an invention patent in accordance with the law, I sincerely request you to review it and grant a patent, which will be of great benefit.

However, the above-mentioned illustrations and descriptions are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Generally, those familiar with the art will make other decisions based on the characteristics and scope of the present invention. Equivalent changes or modifications should be considered as not departing from the design scope of the present invention.

(1):Hydroelectric power generation system (11):Support unit (111):Base (112): First support frame (113): Second support frame (12): Rotation unit (121):Rolling barrel (1211): Accommodation space (122):Axis (1221): First protrusion (1222): Second protrusion (1223):Support rod (123): Spiral blade (124):First bearing (125): Second bearing (13): Guidance unit (131):Guide groove (132):Guiding film (14): Transmission unit (141):Power generation module (142):Transmission belt (2):Ditch (θ1): the first included angle (θ2): The second included angle

Figure 1: Schematic diagram of a single system operation of a preferred embodiment of the hydroelectric power generation system of the present invention. Figure 2: Schematic diagram of multiple system operations of a preferred embodiment of the hydroelectric power generation system of the present invention. Figure 3: Front view of the overall system of a preferred embodiment of the hydroelectric power generation system of the present invention. Figure 4: Rear view of the overall system of a preferred embodiment of the hydroelectric power generation system of the present invention Figure 5: Cross-sectional view of the overall system of a preferred embodiment of the hydroelectric power generation system of the present invention Figure 6: Schematic diagram of the combination of a drum and a spiral blade in a preferred embodiment of the hydroelectric power generation system of the present invention. Figure 7: Schematic diagram of the engagement angle of the spiral blades of a preferred embodiment of the hydroelectric power generation system of the present invention.

(1):Hydroelectric power generation system

(2):Ditch

Claims (10)

A hydropower generation system is installed in a ditch (2) with a water flow. The hydropower generation system (1) at least includes: A support unit (11) includes a base (111), and a first support frame (112) and a second support frame (113) respectively installed at two ends of the base (111), wherein the trench (2 ) first contacts the first support frame (112), and the height of the first support frame (112) is higher than the height of the second support frame (113); A rotating unit (12) includes a drum (121) with an accommodation space (1211), an axis (122) provided in the accommodation space (1211), and a plurality of rings provided on the axis. The spiral blades (123) around the core (122), in which the first protruding portion (1221) and the second protruding portion (1222) provided at the two ends of the axis (122) protrude from the drum respectively. The two ends of (121) are axially arranged on a first bearing (124) and a second bearing (125), and the first bearing (124) and the second bearing (125) are correspondingly arranged on the first bearing (124) and a second bearing (125). On the support frame (112) and the second support frame (113), a first included angle (θ1) is provided between the drum (121) and a horizontal plane, and the axis (122) and the spiral blades (123) ) are respectively fixed on the drum (121), and each spiral blade (123) is provided with a second included angle (θ2) with the axis (122); A guide unit (13) is provided on an end surface of the base (111) facing the water flow of the ditch (2). The guide unit (13) includes a guide groove (131), and a guide unit (131). The guide piece (132) at one end of the guide groove (131). The guide groove (131) and the guide piece (132) are located on the water path of the water flow in the ditch (2) to divert the water flow. Guided into the drum (121); and A transmission unit (14) includes a power generation module (141), and a transmission belt (142) wound between the power generation module (141) and the first protruding portion (1221), wherein the transmission belt (142) transmits the kinetic energy generated by the rotation of the axis (122) to the power generation module (141) to generate electrical energy. The hydroelectric power generation system as claimed in claim 1, wherein the water flow system in the ditch (2) completely covers the drum (121). The hydroelectric power generation system of claim 1, wherein the drum (121) is made of stainless steel. The hydroelectric power generation system of claim 1, wherein the axis (122) is fixed on the inner end surface of the drum (121) through a plurality of support rods (1223). The hydroelectric power generation system according to claim 1, wherein four spiral blades (123) made of metal sheets are arranged around the axis (122). The hydroelectric power generation system of claim 1, wherein the first included angle (θ1) is between 0 degrees and 60 degrees. The hydroelectric power generation system of claim 1, wherein the second included angle (θ2) is between 20 degrees and 40 degrees. The hydroelectric power generation system of claim 1, wherein the guide groove (131) is in a semi-arc shape to guide the water flowing around the drum (121) to the inside of the drum (121). The hydroelectric power generation system as claimed in claim 8, wherein the guide piece (132) has an inclined angle so that the water flow at the bottom of the ditch (2) can flow along the guide piece (132) to the guide piece. Enter the inside of the drum (121) after the guide groove (131). The hydroelectric power generation system of claim 1, wherein the power generation module (141) is a disc-shaped brushless generator.

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