JP2010174521A - Booster water supply system for mid-to-high-rise building - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make a booster water supply system on each story perform stable water supply even on the occurrence of local or rapid pressure fluctuations. <P>SOLUTION: In this booster water supply system for a mid-to-high-rise building, the booster water supply system directly connected to a distributing water pipe for running water performs water supply in a low-story zone; the water supply system directly connected to the booster water supply system on the low-story zone in the previous step performs the water supply in a medium-story zone; and the water supply system directly connected to the booster water supply system on the low-story zone in the previous step performs the water supply in a high-story zone. A means for making an operation/stop signal mutually transmitted/received between the respective booster water supply systems is provided. When the water is used in the story above the low-story zone, its own booster water supply system is operated, and the operation signal is transmitted to the booster water supply system in the previous step, so as to bring about interconnected operations. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an increased pressure water supply system for medium to high-rise buildings.

  In recent years, a pressure-increasing direct water supply system that supplies water directly connected to a water distribution pipe has been widely used. As these prior arts, there are a pressurized water supply system for medium and high-rise buildings described in Patent Documents 1 to 3.

  For example, in paragraph (0031) of Patent Document 1, “a building to be supplied with water is a nine-story building, which is a low-rise zone (low floor group) from the first floor to the third floor and from the fourth floor to the sixth floor. The middle zone (middle floor group) and the higher zone (high floor group) from the seventh floor to the ninth floor are disclosed, and in paragraph (0033), the water pressure of the water distribution pipe 1 is The pressure is increased to two stages by the first-stage booster pump 4 and the second-stage booster pump 40 so that water is supplied to the faucets 10g, 10h, 10i of each floor in the high-rise zone. Therefore, the control device 160 performs variable speed control of the pressure increasing pump 140 by the signals of the pressure sensors 120 and 140 and the flow rate switch 130 in the same manner as the control device 16 in the first stage, In order to supply water that has been increased to a water pressure of 10 g, 10 h, 10 i, The pump 40 is controlled to operate. " Similarly, Patent Document 2 and Patent Document 3 disclose a system in which water is supplied by the pressure of a water pipe in a low zone and water is supplied by using a pump in a middle zone and a high zone.

JP 7-331711 A JP 2000-303515 A JP 2000-303514 A

  The system described in the above-mentioned patent document does not disclose any case where a local or abrupt pressure fluctuation occurs in any of the low, middle and high layers.

  An object of the present invention is to solve the above-described problems and to allow a pressurized water supply system in each layer to perform stable water supply even when a local or sudden pressure fluctuation occurs.

  In order to solve the above-described problem, in one embodiment of the present invention, water supply to each layer zone of a mid-to-high-rise building is covered by a pressure-increasing water supply system directly connected to a water distribution pipe in the low-rise zone, and the mid-zone zone is boosted in the low-rise zone in the previous stage. The high-rise zone, which is not covered by the water supply system directly connected to the water supply system, is covered by the water supply system directly connected to the low-pressure zone increased pressure water supply system in the previous stage, and the boosted water supply system for middle and high-rise buildings is operated and stopped. Send and receive signals to and from each other. When water is used in the upper layer above the lower zone, its own pressure increasing water supply system is operated, and an operation signal is transmitted to the preceding pressure increasing water supply system, thereby operating in a linked (interlocked) manner.

  Further, in another embodiment of the present invention, there is provided means for operating each pressure-increasing water supply system and transmitting / receiving a stop signal to each other, and when water is used above the lower zone, As the system is operated, an operation signal is transmitted to the pressure-increasing water supply system in the previous stage, thereby performing an interconnected operation. The pressurized water supply system will continue to operate.

  In yet another embodiment, means for operating each pressure-increasing water supply system and transmitting and receiving a stop signal to each other is provided, and when there is water usage above the lower zone, its own pressure-increasing water supply system operates. Before, it is operated by sending an operation signal to the pressure-increasing water supply system in the previous stage, and then it is operated by itself to thereby perform a linked operation.

  In yet another embodiment, means for operating each pressure-increasing water supply system and transmitting and receiving a stop signal to each other is provided, and when there is water usage above the lower zone, its own pressure-increasing water supply system operates. At the same time, an operation signal is transmitted to the upstream pressurized water supply system, thereby performing a linked (interlocked) operation, and each pressurized pressurized water supply system installed here even if there is no use of water in a lower layer than that layer The operation is continued, and when the upper layer pressurized water supply system is stopped, the lower layer pressurized water supply system is stopped.

  In yet another embodiment, means for operating each pressure-increasing water supply system and transmitting and receiving a stop signal to each other is provided, and when there is water usage above the lower zone, its own pressure-increasing water supply system operates. At the same time, an operation signal is transmitted to the upstream pressurized water supply system, thereby performing a linked (interlocked) operation, and each pressurized pressurized water supply system installed here even if there is no use of water in a lower layer than that layer The operation is continued, and when the upper layer pressurized water supply system is stopped, the lower layer pressurized water supply system is stopped.

  In yet another embodiment, means for operating each pressure-increasing water supply system and transmitting and receiving a stop signal to each other is provided, and when there is water usage above the lower zone, its own pressure-increasing water supply system operates. Before, it is operated by sending an operation signal to the previous pressure boosting water supply system, then it operates itself, and each pressure boosting water supply system installed here even if there is no use of water in the lower layer The operation is continued, and when the upper layer pressurized water supply system is stopped, the lower layer pressurized water supply system is stopped.

  In yet another embodiment, means for operating each pressure-increasing water supply system and transmitting and receiving a stop signal to each other are provided, and when there is water usage in the highest zone, its own pressure-increasing water supply system operates. At the same time, an operation signal is sent to the first-stage boosted water supply system, and the first-stage booster water supply system is operated by sending an operation signal to the first-stage booster water supply system. If it continues, even if there is no use of water in the lower layer, the lower layer pressure increase water supply system will continue to operate, and the lower layer pressure increase water supply system will stop the layer pressure increase water supply system in the immediately upper layer Then, stop, and the lowest-pressure booster water supply system is connected (interlocked) to stop at the end.

  In yet another embodiment, a means for mutually transmitting and receiving a stop signal between each pressure-increasing water supply system is provided, and when water is used in the highest zone, The first booster water supply system sends an operation signal to the first booster water supply system, and the first booster water supply system sends an operation signal to the previous first booster water supply system, which is operated in order from the lowest to the highest. If water is used continuously in the zone, even if there is no use of water in lower layers, the lower-layer pressurized water supply system will continue to operate, and the lower-layer pressurized water supply system will When the pressure-increasing water supply system is stopped, the system is stopped, and the pressure-increasing water supply system in the lowest layer is connected (interlocked) to stop at the end.

  In yet another embodiment, a pressure head parameter is provided for transmitting a start command to a lower pressure booster water supply system that is established prior to its own start condition if it is not the lowest pressure booster water supply system. Alternatively, a start confirmation timer is provided to start timing at the start, and to take start timings at low, medium and high.

  In yet another embodiment, when a plurality of pressure-increasing water supply systems for the low-rise zone to the high-rise zone are operating, the top-level pressure-increasing water supply system performs variable speed operation according to usage fluctuations, and the pressure-increasing water supply system below this Will perform the fastest fixed operation.

  According to the above means of the present invention, even if a local or abrupt pressure fluctuation occurs, the pressurized water supply system in each layer can perform stable water supply.

It is a figure for demonstrating the system distribution diagram of the pressure increase water supply system for middle-high-rise buildings. It is a figure for demonstrating the pressure increase water supply system installed in a low-rise zone. It is a figure for demonstrating the pressure increase water supply system installed in a middle layer and a high-rise zone. It is a control circuit diagram of a present Example. It is an operation characteristic figure showing operation control of a pressure increase water supply system installed in a low-rise zone, and a parameter. It is a driving | operation characteristic figure which shows the operation control of the pressure increase water supply system installed in a middle zone, and a parameter. It is a driving | operation characteristic figure which shows the operation control of the pressure increase water supply system installed in a high-rise zone, and a parameter.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

A first embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a diagram for explaining a system diagram of a pressurized water supply system for middle-high-rise buildings according to the first embodiment. Reference numeral 1 denotes a water distribution pipe, and 4 a pressure increasing pump whose suction side is connected to a water distribution pipe branch pipe 2. In this way, the pressure increasing pump 4 is directly connected to the water distribution pipe through the water meter 3, and supplies water to the low-rise zone demand end (for example, the faucets 5a, 5b, 5c) through the water supply pipe 5 An increased pressure water supply system for the zone is formed.

  Reference numeral 6 is a pressure increasing pump in which the suction side is directly connected to the water supply pipe 5 for the low-rise zone pressure increase water supply system and supplies water to the middle zone demand end (for example, the faucets 7a, 7b, 7c) via the water supply pipe 7. As a result, a pressurized water supply system for the middle zone is formed.

  Further, reference numeral 8 is a pressure increasing pump in which the suction side is directly connected to the middle zone increased pressure water supply system water supply pipe 7 and supplies water to the higher level zone demand end (for example, faucets 9a, 9b, 9c) via the water supply pipe 9. This forms a boosted water supply system for the high-rise zone.

  Between the low-rise and middle-rise pressure water supply systems, an operation signal S11 indicating a state in which the low-rise pressure increase water supply system is operating, an answerback signal S12 thereof, and an operation signal indicating the state in which the intermediate-layer pressure increase water supply system is operating S13 is connected to the answerback signal S14. Further, between the middle layer and the high-rise pressurized water supply system, an operation signal S21 indicating a state in which the middle-layer pressurized water supply system is operating, an answerback signal S22 thereof, and a state in which the high-rise pressurized water supply system is operating are illustrated. The operation signal S23 is connected to the answer back signal S24. As described above, in this embodiment, these signals are transmitted and received to each other to construct an interconnected operation system. Note that these signals may use communication or may be wireless.

  FIG. 2 shows an increased pressure water supply system installed in a low-rise zone. CU1 is a control device of this pressure increase water supply system, and BP11 and BP12 indicate pressure increase pumps 1 and 2, respectively. Between these, power cables S34 and S35 are connected, and BP11 and BP12 are configured to operate alternately. The control unit CU transmits and receives signals S11, S12, S13, and S14.

  PS11 is a pressure sensor for detecting a pressure head on the water distribution pipe side, and an electric signal S30 corresponding to the detected pressure head is transmitted to the control unit CU1. Similarly, PS12 is a pressure sensor that detects a discharge pressure head (water supply pressure head), and an electric signal S31 corresponding to the detected pressure head is transmitted to the control unit CU1. FS11 and FS12 are flow switches that are installed on the discharge sides of the pressure-increasing pumps No. 1 and No. 2, respectively, and detect the amount of water underuse. Electric signals S32 and S33 based on the switches are transmitted to the control unit CU1. .

  T1 is a pressure tank that holds air therein, and is used for the purpose of preventing pressure fluctuation and accumulating pressure. Reference numeral 11 denotes a backflow prevention valve, which is installed for the purpose of preventing backflow on the secondary side of the pressurized water supply system and preventing contamination. In this embodiment, the pressure increasing pumps 1 and 2 are provided with a bypass pipe 15 installed side by side. The bypass pipe 15 is provided with a check valve 14 on the way, and prevents the circulation from the discharge side to the water supply pipe side when the pressure-increasing pump No. 1 or No. 2 is operating. If the water distribution pipe side pressure head is sufficiently high, water is supplied using the water distribution pipe pressure via the bypass pipe 15 without operating the pump. Thereby, since it is not always necessary to perform water supply by a pump, efficient water supply can be performed. In addition, 10-1 to 10-6 are gate valves, and 12 and 13 are check valves.

  FIG. 3 shows a pressure-increasing water supply system installed in the middle and high-rise zones. 1. A pressure increase water supply system installed in a low-rise zone In contrast to FIG. 1, an unnecessary check valve 11 (including the front and rear partition valves 10-1 and 10-2) and a bypass pipe 15 (including a check valve 14) are provided. Omitting. Other parts and configurations are the same.

FIG. 4 shows a control circuit diagram of this embodiment.
PW is a power source, and INV1 and INV2 are variable speed driving devices for driving the pressure-increasing pumps No. 1 and No. 2, respectively, for example, inverters. This inverter is started and stopped by operation command signals STX1 and STX2, and frequency controlled by frequency command signals fx1 and fx2, and variable frequency and variable voltage are applied to the aforementioned booster pump No. 1 and No. 2 motors IM1 and IM1. Supply. CONS1 and CONS2 are operators, respectively, for setting parameters such as the inverter acceleration time and overcurrent trip level, and for commanding stoppage of operation alone. ELB1 and ELB2 are earth leakage circuit breakers that protect the leakage of inverters and motors installed thereafter.

  The CU is a control device, which includes a microprocessor CPU, input / output ports PIO-1 to PIO-5, an analog input / output port D / A, a memory M, and a stabilized power supply circuit AVR. A program necessary for operating the pressure-increasing water supply system is stored in the memory M. SS is an operation stop switch. When this SS is turned on, power is supplied to the CU via the AVR. Also, when it is turned off, the power is cut off and it stops if it is in operation. Z is a relay driving means, which is turned ON from PIO-4 to Z by software processing of the CPU. An OFF signal is output and the relays STX1, STX2, X1, and X2 are driven to open and close.

  The relays STX1 and STX2 are the above-described inverter operation stop signals, the relay X1 is output as an operation signal to the other pressurized water supply system control panel, and the relay X2 is output as an answerback signal. In the case of the middle layer, since signals are transmitted to the lower layer and the higher layer, two signals are required. Other than this, one point is OK. In addition, the operation signal S11 or the answer back signal S12 is received by the relays X3 and X4 from the other pressurized water supply system control panels, and these signals are input from the PIO-5.

  Moreover, SW is a switch for setting the control parameter of the pressure increase water supply system shown in FIGS. These values are fetched from PIO-3 and stored in the memory. The signals of the pressure sensor for detecting the pressure head on the water distribution pipe side and the pressure sensor for detecting the discharge side pressure head are taken in by the analog port A / D and stored in the memory. For example, it is converted into 0 to 100 m and stored.

  FIG. 5 is an operation characteristic diagram showing operation control and parameters of the pressure-increasing water supply system installed in the low-rise zone. The left side shows the suction side and the right side shows the discharge side. The suction side means a pressure head of a water distribution pipe, SLL is a pressure head for stopping the pump when the pressure head of the water pipe drops, and SL indicates a return pressure head. In this embodiment, SLL is 7 m and SL is 10 m. Further, SHH is a parameter for sufficiently supplying the pressure head of the water distribution pipe and supplying water only by the pressure of the water distribution pipe without operating the pressure increasing pump, and SH indicates the return pressure head. In the present embodiment, SHH is set to the discharge side predetermined pressure H0 on the right side or set slightly higher than this. SH is set several m lower than SHH.

On the discharge side, parameters related to the pump performance curve for indicating the operation of the booster pump are shown. The vertical axis represents the total head, and the horizontal axis represents the discharge amount (corresponding to the maximum amount of water used).
A curve A is a pump QH performance curve when the pump is operated at an inverter frequency fmax (100% frequency). Curve F shows the resistance of itself and the water supply piping when the booster pump is operated to supply water to this zone of the booster water supply system for the low-rise zone. Further, the amount of water desired for supplying water to this zone is the aforementioned discharge amount (maximum amount of water used) Q0 and the desired pressure head total head H0. These Q0 and H0 are design values, and it is desirable to design this so that it comes to the intersection point O between the pump QH performance curve A and the resistance curve F, but it is designed to be smaller than the intersection point O on the resistance curve F. You may do it.

  Curves B and C are pump QH performances when the pump is operated with the inverter frequency changed to f1 and fmin (minimum frequency). The inverter frequency is stepless, and it is possible to draw a corresponding curve between the curve A and the curve C. However, for convenience of explanation, these curves are represented by curves B and C. . When the inverter frequency is operated at f1, the pump Q-H performance curve is B, the pump discharge amount is Q1, and when the inverter frequency is operated at fmin, the pump Q-H The performance curve is C, which means that the pump discharge amount is zero. In addition, when the amount of water used changes from 0 to Q0, the pressure increasing pump outputs fmin to fmax from the inverter along the resistance curve F, and controls the operation of the pressure head by a method called constant terminal pressure estimation control. is doing. When this control is performed, a desired value on the curve F as the target pressure is H00 (corresponding to the inverter frequency fmin) when the discharge amount is 0, and a desired value is H0 (inverter frequency fmax) when the discharge amount is Q0. Correspondence) is provided. In other words, the curve F is used by linearly approximating H00 and H0, processing as a function, or processing as a table.

  By the way, when a plurality of pumps are operated in an interlocking manner, it is desirable to operate with a constant discharge pressure control system in order to suppress pressure fluctuations except for the highest layer. Therefore, when the HO constant control is performed from the discharge amount 0 to Q0, it is on the horizontal line G. When the discharge amount is 0, the inverter frequency is f2, the pump QH performance curve is E, and the intersection with the H0 constant horizontal line G is O11.

  Further, PON is a booster pump start pressure head (generally set near H00), and POFF is a booster pump stop pressure head (generally set higher than PON). Qmin is a discharge amount for stopping the pressure-intensifying pump when the amount of water used is an excessive amount of water, and is detected by the flow rate detecting means described above. Furthermore, this state is detected, and the inverter frequency is increased to foff and stopped in order to accumulate pressure in the pressure tank immediately before stopping. The pump QH performance curve at this time is D. The stop pressure head is POFF. The suction side control is performed by detection of the pressure sensor PS11, and the discharge side control is performed by detection of the pressure sensor PS12.

FIG. 6 is an operation characteristic diagram showing operation control and parameters of the pressure-increasing water supply system installed in the middle zone. The left side shows the suction side and the right side shows the discharge side. The suction side on the left side omits unnecessary SHH and SH shown in FIG. The discharge side is the same as in FIG. 5, but the design values Q0 and H0 are values necessary for supplying water to the middle zone.
FIG. 7 is an operation characteristic diagram showing operation control and parameters of the pressure-increasing water supply system installed in the high-rise zone. The left side shows the suction side and the right side shows the discharge side. The suction side on the left is the same as in FIG. The discharge side omits the horizontal line G in the discharge pressure constant control that does not need to be the highest zone from FIG. 5, but the design values Q0 and H0 are values necessary for supplying water to the high zone.

  A specific embodiment of the present embodiment configured as described above will be described. The pressure-increasing water supply system in the present embodiment is configured to mutually transmit and receive operation and stop signals between the low-rise, middle-rise, and high-rise pressure increase water supply systems. In this embodiment, for the convenience of explanation, it is divided into a low layer, a middle layer, and a high layer, but it may be two low-pressure and middle-layer pressurized water supply systems. It can be implemented.

  That is, the lower layer and the middle layer transmit the operation signal S11 from the lower layer to the middle layer, receive the answer back signal S12, transmit the operation signal S13 to the lower layer from the middle layer, and receive the answer back signal S14. The operation or stop signal is transmitted and received between each other.

  For example, when water is used in the lower zone and water is not used in the middle zone, signals S11 and S12 are transmitted, and the increased pressure water supply system for the lower zone operates and operates as described above. In other words, as described above, the booster pumps installed in the respective zones in the present embodiment are configured to be able to start and stop according to the pressure by themselves, and also show that the start and stop have been performed. Signals are sent and received between each layer. When water is used in the middle zone and water is not used in the lower zone, first, the start-up condition of the booster water supply system for the middle zone is established. Starts driving.

  Here, in the present embodiment, in this case, the operation signal S13 is transmitted to the low-rise zone pressurized water supply system. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether the start condition provided therein is satisfied. In addition, the operation signal S11 is transmitted and the answer back signal is received. Thus, in the present embodiment, the linked (interlocked) operation of each zone is performed. The reason for this will be described.

  When water is used in the middle layer, especially when water is used suddenly, even if pressure fluctuations occur suddenly, even if water is used in the lower layer and the booster pump is activated, the above The booster pump may stop due to the start / stop conditions provided by itself due to pressure fluctuations. As long as water is still used in the lower layer, the start condition is established again and the engine is started again. In this way, the start and stop of the pressure increasing pump may be repeated unnecessarily. That is, there is a possibility that a hunting phenomenon due to a rapid pressure fluctuation occurs. Therefore, in the present embodiment, as described above, when water is used in the middle layer and the middle zone increased pressure water supply system is started, the lower zone zone increased pressure water supply system does not depend on whether or not its own start condition is satisfied. The zone-intensified water supply system will be activated. This makes it possible to prevent the hunting phenomenon described above.

  Although the middle layer and the lower layer have been described here, the same applies to the case where water is used in the higher layer. That is, when water is used in the high rise and the start conditions of the high rise zone pressurized water supply system itself are satisfied, the operation signal S23 is sent from the high rise to the middle. Receiving this operation signal S23, the mid-zone zone pressure increasing water supply system sends an answer back signal S24 to the higher floor and starts operation regardless of whether or not the start condition provided therein is satisfied. Thus, when the upper layer operation is performed, the reason for starting the operation regardless of whether or not the start condition of the lower layer is satisfied is the same as described above.

  In this case, since the middle zone zone pressurized water supply system is started, the operation signal S13 is sent to the lower layer. As described above, in the lower layer, the answer back signal S14 is sent to the middle layer, and the operation is started regardless of the presence or absence of its own starting condition. That is, if the operation is performed in the upper layer, the operation is started in conjunction with this in the lower layer, thereby preventing the hunting phenomenon against the pressure fluctuation.

Next, an embodiment in which an interlock stop function is added to the above embodiment will be described.
First, when water is used in the middle zone and water is not used in the lower zone, the starting condition of the pressurized water supply system for the middle zone is first established, and the booster pump starts operation. And operation signal S13 is transmitted to the pressure increase water supply system for low-rise zones. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, the operation signal S11 is transmitted and the answer back signal is received. After this, even when the stop condition of the increased pressure water supply system is satisfied because there is no use of water in the lower level, when the operation stop signal S13 is received from the increased pressure water supply system for the middle level, the increased pressure for the lower level The water supply system is designed to continue operation. This embodiment is also applicable to the middle layer and the higher layer.

  Further, an embodiment in which the lower layer is started first before starting itself will be described. In this case as well, when water is used in the middle zone and water is not used in the lower zone, first, the start-up condition is established in the increased pressure water supply system for the middle zone. An operation stop signal S13 is transmitted. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, an operation signal S11 is transmitted. When the middle layer zone pressure increasing water supply system receives the operation signal S11, the middle zone zone operation starts and returns an answerback signal to the lower zone zone pressure increasing water supply system. That is, this makes it possible to more reliably start the operation from the zone-intensified water supply system, and to cope with the pressure fluctuation described above. This embodiment is also applicable to the middle layer and the higher layer.

In addition, when both the low-rise and middle-rise pressurized water supply systems are in operation, even if there is no use of water in the low-rise building, if there is water use in the mid-rise, the low-rise building will continue to operate. Next, a description will be given of a mode in which the lower layer also stops after stopping.
That is, when water is used in the middle zone and water is not used in the lower zone, first, the start condition of the pressurized water supply system for the middle zone is established, and the booster pump starts operation, An operation signal S13 is transmitted to the low-pressure zone increased pressure water supply system. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, the operation signal S11 is transmitted and the answer back signal is received. After this, even when the stop condition of the increased pressure water supply system is satisfied because there is no use of water in the lower level, when the operation stop signal S13 is received from the increased pressure water supply system for the middle level, the increased pressure for the lower level The water supply system continues to operate, and the middle-layer pressure-increasing water supply system stops when the stop condition is satisfied without using water, and cancels the operation signal S13. As a result, the low-rise pressurized water supply system stops operating. Note that the present invention can be similarly applied to a case where there are high layers and upper layers. That is, even when the stop signal is established when the operation signal is received from the upper layer, the stop is not performed, and the operation is stopped only when the operation signal S13 is canceled from the upper layer. Thereby, it is possible to prevent the operation stop of the pressurized water supply system from being repeated with respect to the pressure fluctuation.

It is also effective to combine the above-described aspects.
That is, when water is used in the low zone and water is not used in the middle zone, signals S11 and S12 are transmitted, and the low-pressure zone pressurized water supply system operates and operates as described above. When water is used in the middle zone and water is not used in the lower zone, the start-up condition of the booster water supply system for the middle zone is first established, and the booster pump starts operation and the lower zone An operation stop signal S13 is transmitted to the increased pressure water supply system. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, the operation signal S11 is transmitted and the answer back signal is received.

  And in this aspect, after this, when the stop condition of the increased pressure water supply system here is satisfied because no water is used in the lower level, when the operation stop signal S13 is received from the increased pressure water supply system for the middle layer The low-layer pressure-increasing water supply system continues to operate, and the middle-layer pressure-increasing water supply system stops when there is no water use and the stop condition is satisfied, and cancels the operation stop signal S13. As a result, the low-rise pressurized water supply system stops operating.

Furthermore, it is also possible to combine the above-described aspects as follows.
That is, when water is used in the middle zone and water is not used in the lower zone, first, when the start-up condition is established for the pressurized water supply system for the middle zone, the operation stop signal S13 is sent to the pressurized water supply system for the lower zone. send. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, an operation signal S11 is transmitted. When the middle layer zone pressure increasing water supply system receives the operation signal S11, the middle zone zone operation starts and returns an answerback signal to the lower zone zone pressure increasing water supply system.

  After this, even if the stop condition of the increased pressure water supply system is satisfied because there is no use of water in the lower level, when the operation stop signal S13 is received from the increased pressure water supply system for the middle level, the increase for the lower level The pressurized water supply system continues to operate, and the middle-layer pressurized water supply system stops when there is no water use and the stop condition is satisfied, and cancels the operation stop signal S13. As a result, the low-rise pressurized water supply system stops operating.

Further, an embodiment in the present example will be described.
Regardless of whether water is used in the high-rise zone, regardless of whether water is used in the middle or low-rise zone, first, when the start-up condition is established in the high-rise zone, the operation signal S23 is sent to the mid-zone zone. send. The received booster water supply system for the middle zone sends an answer back signal S24 and sends an operation signal S13 to the booster water supply system for the lower zone. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, an operation signal S11 is transmitted. Upon receiving this operation signal S11, the intermediate zone increased pressure water supply system starts operation regardless of whether the start condition is satisfied, transmits the operation signal S21 to the higher zone increased pressure water supply system, and sends the answer back signal S12 to the lower layer. Reply to the increased pressure water supply system for the zone. When the high-pressure zone increased pressure water supply system receives the operation stop signal S21, it starts operation and transmits an answer back signal S22. After this, when water is used in the high layer and the pressurized water supply system is in operation, the operation is continued regardless of whether the stop condition is satisfied because there is no use of water in the middle and low layers.

Further, an embodiment in the present example will be described.
Regardless of whether water is used in the high zone and regardless of whether water is used in the middle or low zone, when the start-up condition is satisfied for the high-pressure zone pressurized water supply system, the operation stop signal S23 is sent to the middle-zone zone pressurized water supply system. To send. The received booster water supply system for the middle zone sends an answer back signal S24 and sends an operation stop signal S13 to the booster water supply system for the lower zone. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, an operation signal S11 is transmitted. Upon receiving this operation signal S11, the middle zone increased pressure water supply system starts operation regardless of whether the start condition is satisfied, transmits an operation stop signal S21 to the higher zone pressure increase water supply system, and provides an answerback signal S12. Reply to the pressurized water supply system for the low-rise zone. When receiving the operation stop signal S21, the high-rise zone increased pressure water supply system starts operation and transmits an answer back signal S22. After this, when water is used in the high layer and the pressurized water supply system is in operation, the operation is continued regardless of whether the stop condition is satisfied because there is no use of water in the middle and low layers.

  When the use of water is stopped in the high zone and the stop condition is established, the high-pressure zone pressurized water supply system is stopped. The operation stop signal S23 is canceled together with the stop. At this time, the lower layer continues the operation if the operation stop signal S13 is transmitted from the middle layer regardless of whether the stop condition is satisfied without using water. When water stops being used in the middle zone and the stop condition is satisfied, the middle zone increased pressure water supply system stops. The operation stop signal S13 is canceled together with the stop. The low pressure boosting water supply system is stopped when the stop condition is satisfied by releasing the operation stop signal S13.

Further, an embodiment in the present example will be described.
In the case where the pressure boosting water supply system is not the lowest one, a pressure head parameter for transmitting a start command to the lower pressure boosting water supply system that is established prior to its own start condition is provided. For example, in the middle layer, the booster pump start pressure head PONH of the lower layer booster water supply system is provided several meters higher than the booster pump start pressure head PON of the middle layer booster water supply system in the discharge side pump operation characteristic diagram of FIG. . Thus, the start condition for the low layer is set before the supply pressure head for the middle layer is set as the start condition. Therefore, the operation stop signal S13 is transmitted to the lower layer than the middle layer. Upon receiving this, the lower layer returns an answerback signal S14, starts operation regardless of whether its own start condition is satisfied, and transmits an operation stop signal S12.

  Similarly, in the discharge side pump operation characteristic diagram of FIG. 7, a booster pump start pressure head PONH of the middle layer booster water supply system is provided that is several meters higher than the booster pump starter pressure head PON of the higher layer booster water supply system. Thus, the start condition for the middle layer is set before the feed water pressure head for the high layer is set as the start condition. Therefore, an operation stop signal S23 is transmitted from the upper level to the middle level. Upon receiving this, the middle layer returns an answer back signal S24, starts operation regardless of whether its own start condition is satisfied, and transmits an operation stop signal S22.

  As another embodiment, a timer may be provided. For example, when the start condition is satisfied, the timer is started and the pressure increasing pump is started when the time is up. If there is no use of water in the lower and middle layers and water is used in the higher layers and the starting condition is satisfied, the high-rise pressurized water supply system starts timing the timer and transmits an operation stop signal S23 to the middle layer. The middle layer that has received this signal starts a timer to start, and transmits an operation stop signal S13 to the lower layer, regardless of whether the start condition is satisfied. The low-layer for receiving this signal starts the timer to start, regardless of whether the start condition is satisfied. For example, if these timers are set to 5 seconds for the high layer, 3 seconds for the middle layer, and 0 seconds for the low layer, the low layer starts operation, the middle layer after 3 seconds, and the high layer after 5 seconds. I will do it.

Further, an embodiment in the present example will be described.
In this embodiment, during multiple operations from the low-rise zone to the high-rise zone pressure increase water supply system, the highest pressure increase water supply system performs variable speed operation according to the change in usage, and the lower level pressure increase water supply system High-speed fixed operation is performed.

  For example, if there is no use of water in the lower and middle layers and water is used in the higher layers and the start condition is established, the high-rise pressurized water supply system does not have an operation stop signal from the upper layer, so the pressure control shown in FIG. Operation is performed and an operation stop signal S23 is transmitted to the middle layer. The middle layer that has received this transmits an operation stop signal S13 to the lower layer regardless of whether the start condition is satisfied. The low layer receiving this is operated at the maximum speed by the inverter regardless of whether the start condition is satisfied, and transmits an operation stop signal S12 to the middle layer. The middle layer that receives this operates at the maximum speed by the inverter.

  As described above, according to the present embodiment, when there is use of water concentrated in a short time in a part of the zones or locally, it is possible to perform a linked operation and to provide cooperation as the entire system. Even when a problem such as a drop in the feed water pressure occurs in some zones or regions, it is possible to prevent the start / stop hunting phenomenon from occurring in the low layer, the middle layer, and the high layer.

  In some zones and regions, it is possible to solve problems such as lowering of the feed water pressure and to construct a stable and reliable interconnected operation system between the increased pressure feed water systems.

Embodiment 2 of the present invention will be described below.
However, in a pressurized water supply system with multiple units installed in parallel for the low-rise zone and the middle or higher installed in series, for example, each increase divided into a low-rise zone (multiple installation in parallel), a middle-rise zone, and a high-rise zone. Since the pressurized water supply system operates independently, if water is concentrated in a short time in some zones or areas, the system cannot be connected and the entire system lacks coordination. There is a risk that problems such as a drop in the feed water pressure may occur in the zone or region. If there is a lack of cooperation, there is a risk of starting / stopping hunting in the low-rise, middle-rise, and high-rise areas.

  This embodiment has the same basic configuration as the system diagram of the pressurized water supply system for middle-high-rise buildings in FIG. However, although not shown here, the pressure increasing pump directly connected to the water distribution pipe in this embodiment is installed in parallel in order to cope with a large amount of water supply. As a result, not only the faucets 5-1a, 5-1b, and 5-1c but also a large amount of water such as 5-2a, 5-2b, and 5-2c can be used as the low-end zone demand end. It becomes possible. Therefore, although not shown, the water distribution pipe branch pipe 2 is branched into, for example, 2-1 and 2-2 and directly connected to the main water pumps 4-1 and 4-2.

  Here, as in the first embodiment, the low-rise pressure increasing water supply system 4-1 and 4-2 are operating between the low-rise pressure increasing water supply system 4 (4-1, 4-2) and the middle-rise pressure increasing water supply system 6. Operation signals S11 (for Unit 1) and S15 (for Unit 2) indicating the state are sent to the middle-layer pressurized water supply system 6, and answerback signals S12 (for Unit 1) and S16 (for Unit 2) are sent. . Similarly, the operation signals S13 (No. 1), S17 (No. 2), and the answer back signals S14 (No. 1), S18 (No. 2) indicating the state in which the middle-layer pressurized water supply system 6 is operating are the same. Sent and received. As in the first embodiment, between the middle layer and the higher layer pressurized water supply system, the operation signal S21 indicating the state in which the middle layer pressurized water supply system is operating, the answerback signal 22 of this operation, and the higher layer pressurized water supply system are operated. An operation signal S23 indicating the current state and an answer back signal 24 thereof are transmitted and received. By constructing an interconnected operation system by transmitting and receiving these signals to each other, stable water supply can be performed without causing a hunting phenomenon even when there is a sudden pressure fluctuation. Note that these signals may use communication or may be wireless.

Each embodiment of what has been configured as described above will be described.
In one embodiment of the present embodiment, as described above, the booster water supply system is installed in parallel for the low-rise zone, and operation signals are mutually transmitted and received between the booster water supply systems. The operation signal S11 is transmitted to the middle layer, the answer back signal S12 is received, the operation signal S13 is transmitted to the lower layer than the middle layer, the answer back signal S14 is received, and the signals are transmitted to and received from each other. .
When water is used in the lower zone and water is not used in the middle zone, signals S11 and S12 are transmitted, and the increased pressure water supply system for the lower zone operates and operates as described above. When water is used in the middle zone and water is not used in the lower zone, the start-up condition of the booster water supply system for the middle zone is first established, and the booster pump starts operation and the lower zone An operation signal S13 is transmitted to the increased pressure water supply system. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, the operation signal S11 is transmitted and the answer back signal is received. In this way, a linked operation is performed.

  In another embodiment of the present embodiment, an interlock stop function is added to the above embodiment. In other words, for the low-rise zone, if a booster water supply system is installed in parallel, water is used in the middle zone, and water is not used in the lower zone, the starting conditions for the booster water supply system for the middle zone are met first. The booster pump starts operation and sends an operation signal S13 to the booster water supply system for the low-rise zone. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, the operation signal S11 is transmitted and the answer back signal is received. After this, even if the low-rise water is not used and the stop condition of the increased pressure water supply system is satisfied, when the operation signal S13 is received from the increased pressure water supply system for the middle layer, the increased pressure supply water for the lower layer The system is designed to continue operation. In this way, a linked operation is performed.

  Furthermore, in another embodiment of the present embodiment, the above-described embodiment is such that the lower layer is started first before starting itself. In other words, for the lower zone, the pressurized water supply system is installed in parallel, and water is used in the middle zone, and when there is no water in the lower zone, first, when the start condition is established for the pressurized water supply system for the middle zone, An operation signal S13 is transmitted to the low-pressure zone increased pressure water supply system. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, an operation signal S11 is transmitted. When the middle layer zone pressure increasing water supply system receives the operation signal S11, the middle zone zone operation starts and returns an answerback signal to the lower zone zone pressure increasing water supply system.

  Further, in another embodiment of the present embodiment, when both the low-rise and middle-rise pressurized water supply systems are operating in the above-described embodiment, the low-rise zone uses a pressurized water supply system in parallel, and water is used in the low-rise zone. Even if there is no water, the lower layer will continue to operate if water is used in the middle layer, and the lower layer will also stop if the middle layer stops without water use. That is, when water is used in the middle zone and water is not used in the lower zone, first, the start condition of the pressurized water supply system for the middle zone is established, and this pressure increasing pump starts operation, An operation signal S13 is transmitted to the low-pressure zone increased pressure water supply system. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, the operation signal S11 is transmitted and the answer back signal is received. After this, even if the low-rise water is not used and the stop condition of the increased pressure water supply system is satisfied, when the operation signal S13 is received from the increased pressure water supply system for the middle layer, the increased pressure supply water for the lower layer The system continues to operate, and the middle-layer pressure-increasing water supply system stops when the stop condition is satisfied without using water, and cancels S13 of the operation signal. As a result, the low-rise pressurized water supply system stops operating.

Furthermore, another embodiment of the present embodiment is a combination of the above embodiments.
For the low-rise zone, the pressure-increasing water supply system is installed in parallel, and when the water is used in the low-rise zone and the water is not used in the mid-zone, signals S11 and S12 are transmitted. Operates and operates as described in. When water is used in the middle zone and water is not used in the lower zone, the start-up condition of the booster water supply system for the middle zone is first established, and the booster pump starts operation and the lower zone An operation signal S13 is transmitted to the increased pressure water supply system. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, the operation signal S11 is transmitted and the answer back signal is received.
After this, even if the low-rise water is not used and the stop condition of the increased pressure water supply system is satisfied, when the operation signal S13 is received from the increased pressure water supply system for the middle layer, the increased pressure supply water for the lower layer The system continues to operate, and the middle-layer pressure-increasing water supply system stops when the stop condition is satisfied without using water, and cancels S13 of the operation signal. As a result, the low-rise pressurized water supply system stops operating.

Furthermore, another embodiment of the present embodiment is a combination of the above embodiments.
For the low-rise zone, if a booster water supply system is installed in parallel and water is used in the mid-zone, and no water is used in the low-rise zone, first, the start-up condition is established in the low-rise zone. An operation signal S13 is transmitted to the increased pressure water supply system. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, an operation signal S11 is transmitted. When the middle layer zone pressure increasing water supply system receives the operation signal S11, the middle zone zone operation starts and returns an answerback signal to the lower zone zone pressure increasing water supply system.
After this, even if the low-rise water is not used and the stop condition of the increased pressure water supply system is satisfied, when the operation signal S13 is received from the increased pressure water supply system for the middle layer, the increased pressure supply water for the lower layer The system continues to operate, and the middle-layer pressure-increasing water supply system stops when the stop condition is satisfied without using water, and cancels S13 of the operation signal. As a result, the low-rise pressurized water supply system stops operating.

  In addition, another embodiment of the present example is that a booster water supply system is installed in parallel for the low-rise zone, water is used in the high-rise zone, and regardless of whether water is used in the middle and low-rise zones, When the start-up condition is satisfied, the increased pressure water supply system transmits an operation signal S23 to the intermediate zone increased pressure water supply system. The received booster water supply system for the middle zone sends an answer back signal S24 and sends an operation signal S13 to the booster water supply system for the lower zone. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, an operation signal S11 is transmitted. When receiving the operation signal S11, the middle zone increased pressure water supply system starts operation regardless of whether the start condition is satisfied, and transmits the operation signal S21 to the higher zone pressure increase water supply system, and the answer back signal S12 is transmitted to the lower layer. Reply to the increased pressure water supply system for the zone. When the high-pressure zone increased pressure water supply system receives the operation signal S21, it starts operation and transmits an answer back signal S22. After this, when water is used in the high layer and the pressurized water supply system is in operation, the operation is continued regardless of whether the stop condition is satisfied because there is no use of water in the middle and low layers.

Further, in another embodiment of the present example, a booster water supply system is installed in parallel for the low-rise zone, water is used in the high-rise zone, and regardless of whether water is used in the middle and low-rise zones, When the start-up condition is satisfied, the increased pressure water supply system transmits an operation signal S23 to the intermediate zone increased pressure water supply system. The received booster water supply system for the middle zone sends an answer back signal S24 and sends an operation signal S13 to the booster water supply system for the lower zone. The received low-pressure zone increased pressure water supply system transmits an answer back signal S14 and starts operation regardless of whether or not its own start condition is satisfied. In addition, an operation signal S11 is transmitted. When receiving the operation signal S11, the middle zone increased pressure water supply system starts operation regardless of whether the start condition is satisfied, and transmits the operation signal S21 to the higher zone pressure increase water supply system, and the answer back signal S12 is transmitted to the lower layer. Reply to the increased pressure water supply system for the zone. When the high-pressure zone increased pressure water supply system receives the operation signal S21, it starts operation and transmits an answer back signal S22. After this, when water is used in the high layer and the pressurized water supply system is in operation, the operation is continued regardless of whether the stop condition is satisfied because there is no use of water in the middle and low layers.
When water is no longer used in the high zone and the stop condition is satisfied, the high-pressure zone pressurized water supply system stops. The operation signal S23 is canceled together with the stop. At this time, the lower layer continues operation if the operation signal S13 is transmitted from the middle layer regardless of whether or not the stop condition is satisfied without using water. When water stops being used in the middle zone and the stop condition is satisfied, the middle zone increased pressure water supply system stops. The operation signal S13 is canceled together with the stop. The low pressure boosting water supply system is stopped when the stop condition is satisfied by releasing the operation signal S13.

  Furthermore, in another embodiment of the present embodiment, a pressure head parameter is provided for transmitting a start command to a lower pressure increasing water supply system that is established prior to its own start condition when it is not the lowest pressure increasing water supply system. Is. For example, in the middle layer, the booster pump start pressure head PONH of the lower layer booster water supply system is provided several m higher than the booster pump starter pressure head PON of the middle layer booster water supply system in the discharge side pump operation characteristic diagram of FIG. Thus, the start condition for the low layer is set before the supply pressure head for the middle layer is set as the start condition. Therefore, the operation signal S13 is transmitted from the middle layer to the lower layer. Upon receipt of this, the low-rise layer responds with an answer back signal S14, starts operation regardless of whether its own start condition is satisfied, and transmits an operation signal S12. Similarly, in the discharge side pump operating characteristic diagram of FIG. 7, a booster pump start pressure head PONH of the middle layer booster water supply system is provided that is several meters higher than the booster pump starter pressure head PON of the higher layer booster water supply system. Thus, the start condition for the middle layer is set before the feed water pressure head for the high layer is set as the start condition. Therefore, an operation signal S23 is transmitted from the upper level to the middle level. Upon receiving this, the middle layer returns an answer back signal S24, starts operation regardless of whether its own start condition is satisfied, and transmits an operation signal S22.

  As another example, a timer is provided. For example, when the start condition is satisfied, the timer is started and the pressure increasing pump is started when the time is up. If water is not used in the lower and middle layers, and water is used in the higher layers and the start-up condition is satisfied, the high-rise pressurized water supply system starts timing the timer and transmits an operation signal S23 to the middle layer. The middle layer that has received this signal starts a timer to start and sends an operation signal S13 to the lower layer regardless of whether the start condition is satisfied. The low-layer for receiving this signal starts the timer to start, regardless of whether the start condition is satisfied. For example, if these timers are set to 5 seconds for the high layer, 3 seconds for the middle layer, and 0 seconds for the low layer, the low layer starts operation, the middle layer after 3 seconds, and the high layer after 5 seconds. I will do it.

  Furthermore, another embodiment of the present embodiment is that, in this embodiment, when a plurality of operations from the low zone to the high pressure zone water supply system are in operation, the highest pressure water supply system performs variable speed operation in accordance with fluctuations in usage. The lower-pressure-increasing water supply system is designed to perform the fastest fixed operation. For example, if water is not used in the lower and middle layers but water is used in the higher layers and the starting conditions are satisfied, the high-rise pressurized water supply system does not have an operation signal from the upper layer, so the pressure control operation shown in FIG. To send an operation signal S23 to the middle layer. The middle layer that has received this transmits an operation signal S13 to the lower layer regardless of whether the starting condition is satisfied. The low-layer for which this is received operates at the maximum speed by the inverter regardless of whether the start condition is satisfied, and transmits an operation signal S12 to the middle layer. The middle layer that receives this operates at the maximum speed by the inverter.

  As described above, according to the embodiment of the present embodiment, when there is use of water concentrated in a short time in some zones or locally, the interconnection operation cannot be performed and the cooperation as the entire system is achieved. It is possible to prevent problems such as a decrease in feed water pressure in some zones and regions. As a result, it is possible to prevent the start-stop hunting phenomenon from occurring in the low layer, middle layer, and high layer.

  DESCRIPTION OF SYMBOLS 1 ... Water supply pipe, 2 ... Water supply pipe branch pipe, 3 ... Quantity water meter 3, 4 ... Booster pump, 5 ... Water supply pipe 5, 5a-5c ... Water tap, 6 ... Booster pump, 8 ... Booster Pump, 9 ... water pipe, 9a-9c ... faucet.

Claims (10)

  Water supply to each zone of medium- and high-rise buildings is covered by a pressurized water supply system directly connected to the water distribution pipe in the low-rise zone, the middle-rise zone is covered by a water supply system directly connected to the low-rise zone pressurized water supply system, and the high-rise zone is the front-stage water supply. In the boosted water supply system for medium- and high-rise buildings, which is covered by the water supply system directly connected to the low-rise zone boosted water supply system, means for operating each boosted water supply system and sending and receiving stop signals to each other is provided, For middle- and high-rise buildings, where when the water is used, its own pressurized water supply system is operated and an operation signal is transmitted to the previous pressurized water supply system, thereby operating in an interconnected manner Boosted water supply system. Water supply to each zone of medium- and high-rise buildings is covered by a pressurized water supply system directly connected to the water distribution pipe in the low-rise zone, the middle-rise zone is covered by a water supply system directly connected to the low-rise zone pressurized water supply system, and the high-rise zone is the front-stage water supply. In the boosted water supply system for medium- and high-rise buildings, which is covered by the water supply system directly connected to the low-rise zone boosted water supply system, means for operating each boosted water supply system and sending and receiving stop signals to each other is provided, When water is used, its own pressurized water supply system is operated, and an operation signal is sent to the previous pressure boosted water supply system to perform interconnection operation. The pressurized water supply system for medium- and high-rise buildings is characterized in that each pressurized pressurized water supply system installed here is operated continuously. Water supply to each zone of medium- and high-rise buildings is covered by a pressurized water supply system directly connected to the water distribution pipe in the low-rise zone, the middle-rise zone is covered by a water supply system directly connected to the low-rise zone pressurized water supply system, and the high-rise zone is the front-stage water supply. In the boosted water supply system for medium- and high-rise buildings, which is covered by the water supply system directly connected to the low-rise zone boosted water supply system, means for operating each boosted water supply system and sending and receiving stop signals to each other is provided, If water is used, before operating its own boosted water supply system, send an operation signal to the previous boosted water supply system to drive, and then run by itself and use this to connect to the system. A pressurized water supply system for medium- and high-rise buildings.   Water supply to each zone of medium- and high-rise buildings is covered by a pressurized water supply system directly connected to the water distribution pipe in the low-rise zone, the middle-rise zone is covered by a water supply system directly connected to the low-rise zone pressurized water supply system, and the high-rise zone is the front-stage water supply. In the boosted water supply system for medium- and high-rise buildings, which is covered by the water supply system directly connected to the low-rise zone boosted water supply system, means for operating each boosted water supply system and sending and receiving stop signals to each other is provided, When water is used, its own pressurized water supply system is operated, and an operation signal is sent to the previous pressure boosted water supply system to perform interconnection operation. Even if there is no pressure, each booster water supply system installed here will continue to operate, and when the upper layer booster water supply system stops, the lower layer booster water supply system High-rise-pressure feed water system up buildings, characterized in that as the stem is stopped. Water supply to each zone of medium- and high-rise buildings is covered by a pressurized water supply system directly connected to the water distribution pipe in the low-rise zone, the middle-rise zone is covered by a water supply system directly connected to the low-rise zone pressurized water supply system, and the high-rise zone is the front-stage water supply. In the boosted water supply system for medium- and high-rise buildings, which is covered by the water supply system directly connected to the low-rise zone boosted water supply system, means for operating each boosted water supply system and sending and receiving stop signals to each other is provided. When water is used, its own pressurized water supply system is operated, and an operation signal is sent to the previous pressure boosted water supply system to perform interconnection operation. Even if there is no pressure, each booster water supply system installed here will continue to operate, and when the upper layer booster water supply system stops, the lower layer booster water supply system High-rise-pressure feed water system up buildings, characterized in that as the stem is stopped.   Water supply to each zone of medium- and high-rise buildings is covered by a pressurized water supply system directly connected to the water distribution pipe in the low-rise zone, the middle-rise zone is covered by a water supply system directly connected to the low-rise zone pressurized water supply system, and the high-rise zone is the front-stage water supply. In the boosted water supply system for medium- and high-rise buildings, which is covered by the water supply system directly connected to the low-rise zone boosted water supply system, means for operating each boosted water supply system and sending and receiving stop signals to each other is provided, When water has been used, before operating its own boosted water supply system, it sends an operation signal to the previous boosted water supply system, and then operates itself, in the lower layers of the layer. Even if the water is not used, each of the pressurized water supply systems installed here continues to operate, and when the upper pressurized water supply system stops, the lower pressurized water supply system High-rise-pressure feed water system up buildings, characterized in that as Temu is stopped.   Water supply to each zone of medium- and high-rise buildings is covered by a pressurized water supply system directly connected to the water distribution pipe in the low-rise zone, the middle-rise zone is covered by a water supply system directly connected to the low-rise zone pressurized water supply system, and the high-rise zone is the front-stage water supply. In the boosted water supply system for medium- and high-rise buildings, which is covered by the water supply system directly connected to the low-rise zone boosted water supply system, means for operating and stopping signals between each of the boosted water supply systems is provided. When water is used, its own boosted water supply system is operated, and an operation signal is transmitted to the previous boosted water supply system to operate it. If the operation signal is transmitted and the water is continuously used in the highest zone, even if there is no use of water in the lower layer, the lower layer increases. The water supply system will continue to operate, the lower layer booster water supply system will stop when the immediately higher layer layer booster water supply system stops, and the lowest layer booster water supply system will operate in an interconnected manner to stop at the end A pressurized water supply system for medium- and high-rise buildings.   Water supply to each zone of medium- and high-rise buildings is covered by a pressurized water supply system directly connected to the water distribution pipe in the low-rise zone, the middle-rise zone is covered by a water supply system directly connected to the low-rise zone pressurized water supply system, and the high-rise zone is the front-stage water supply. In the boosted water supply system for medium- and high-rise buildings, which is covered by the water supply system directly connected to the low-rise zone boosted water supply system, means for operating and stopping signals between each of the boosted water supply systems is provided. When water is used, its own boosted water supply system sends an operation signal to the previous boosted water supply system, and the previous boosted water supply system sends an operation signal to the previous boosted water supply system. If the water is continuously used from the lowest level to the highest level and water is continuously used in the highest zone, The lower layer booster water supply system will continue to operate, the lower layer booster water supply system will stop when the upper layer upper layer booster water supply system stops, and the lowest layer booster water supply system will stop at the end. A pressurized water supply system for medium- and high-rise buildings, characterized by system operation.   If you are not the lowest booster water supply system, you can add a pressure head parameter or timer that sends a start command to the lower booster water supply system that is established before your start condition. Pressure water supply system.   When multiple pressurized water supply systems for the low-rise zone to the high-rise zone are operating, the highest pressure booster water supply system performs variable speed operation according to usage fluctuations, and the lower pressure booster water supply system performs the highest speed fixed operation. This is a pressurized water supply system for medium- and high-rise buildings.

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