JP2005299634A5 - - Google Patents

Claims (6)

Mainstream leading to both connection ports (21) and (22) in the housing (2) having the primary side water supply pipe connection port (21) at one end and the secondary side water supply pipe connection port (22) at the other end A power generation unit (4) that generates power using the pressure of the water flowing through the channel (31), the main flow path (31), and a part of the water flowing in from the primary side water supply pipe connection port (21) Multiple bypass channels (32A) (32B) that bypass (31) and lead to the secondary side water supply pipe connection port (22), and each bypass channel (32A) (32B) to increase or decrease the primary pressure Open / close valves (5A) and (5B) that open and close in response to each of the bypass flow paths (32A) so that the plurality of bypass flow paths (32A) and (32B) are sequentially opened as the primary pressure increases. The hydraulic power generator, wherein the on-off valves (5A) and (5B) of (32B) are set to different values at the time of opening . In the water supply system having an electric unit, the middle hydroelectric apparatus according to claim 1, wherein (1) is provided on the water supply pipe, so that the electric unit is driven by power supplied from the water power generators (1) A water supply system characterized by Further, at least one bypass pipe (P13) connecting the primary water supply pipe (P11) and the secondary water supply pipe (P12) of the apparatus (1) so as to bypass the hydroelectric generator (1). The water supply system according to claim 2 , further comprising an on-off valve (7) for opening and closing each bypass pipe (P13) according to increase or decrease of the primary pressure. Further, at least one bypass pipe (P13) connecting the primary water supply pipe (P11) and the secondary water supply pipe (P12) of the apparatus (1) so as to bypass the hydroelectric generator (1). When, wherein the flow rate adjusting valve for adjusting the amount of water flowing through the bypass pipe (P13) and (8) are provided, the water supply system of claim 2 wherein. The water supply system according to any one of claims 2 to 4 , wherein the electric unit is an irrigation control unit. The water supply system according to any one of claims 2 to 4 , wherein the electric unit is a light-emitting unit for a water faucet.