CN114922253B - Negative pressure-free water supply intelligent water station system and implementation method thereof - Google Patents

Negative pressure-free water supply intelligent water station system and implementation method thereof Download PDF

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Publication number
CN114922253B
CN114922253B CN202210650688.2A CN202210650688A CN114922253B CN 114922253 B CN114922253 B CN 114922253B CN 202210650688 A CN202210650688 A CN 202210650688A CN 114922253 B CN114922253 B CN 114922253B
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China
Prior art keywords
intermediate relay
coil
line
switching value
output unit
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CN202210650688.2A
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Chinese (zh)
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CN114922253A (en
Inventor
陈倩倩
宋长广
刘晴
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Shandong Huali Water Supply Equipment Co ltd
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Shandong Huali Water Supply Equipment Co ltd
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/071—Arrangement of safety devices in domestic pipe systems, e.g. devices for automatic shut-off
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B11/00—Arrangements or adaptations of tanks for water supply
    • E03B11/10—Arrangements or adaptations of tanks for water supply for public or like main water supply
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/075—Arrangement of devices for control of pressure or flow rate
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/078—Combined units with different devices; Arrangement of different devices with respect to each other
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/054—Input/output
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Fluid Mechanics (AREA)
  • Structural Engineering (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

The application discloses no negative pressure water supply wisdom water station's system, including main power module, intermediate relay module and PLC network module, main power module provides power supply for this system, and intermediate relay module provides the control loop of this system, and PLC network module is the control core of this system, is the place of sending of output and input instruction, also is the center of network conversion. Has the following advantages: by adopting the Siemens PLC300 control and networking functions, simultaneous water supply in two or more different areas can be realized, and a sewage tank and a sewage pump are arranged in a water supply station, so that water stored in the water supply station can be discharged out of the water supply station in time, and the problem of water storage or flooding equipment is avoided.

Description

Negative pressure-free water supply intelligent water station system and implementation method thereof
Technical Field
The invention relates to a system for intelligent water station without negative pressure water supply and an implementation method thereof, belonging to the technical field of automatic control.
Background
The non-negative pressure water supply device is a pressurized water supply unit, is directly connected with a municipal water supply network, is used for series pressure-superposed water supply on the basis of the residual pressure of the municipal pipe network, and ensures that the pressure of the municipal pipe network is not less than the set protection pressure.
For example, in 2020, 12 months and 15 days, an integrated box-type intelligent pump house without negative pressure equipment is disclosed, which has the patent number of CN212153551, and comprises a pump house box body, an air conditioner and a tank-type intelligent pump house without negative pressure equipment, and is characterized in that: the tank type non-negative pressure equipment consists of a steady flow tank, a negative pressure prevention module, a water supply pump, an air pressure tank, a flowmeter and a connecting pipeline, wherein a full-frequency-conversion remote intelligent control cabinet, a water quality monitor, a smoke/temperature detector and a high-definition infrared camera are installed on a pump house box body. The control end of the full-frequency-conversion remote intelligent control cabinet is connected with the controlled end of the tank-type non-negative-pressure equipment, and is provided with a mobile phone/computer terminal remote monitoring software package and a network connection.
1. The system can only control one device, and when a plurality of devices exist, additional control system networking is needed, so that the cost of water supply is increased, and unnecessary waste is caused.
2. The utility model can not solve the problem of water storage or flooding of the water station.
Disclosure of Invention
Aiming at the defects, the utility model provides a system of a non-negative pressure water supply intelligent water station and an implementation method thereof, wherein the system adopts Siemens PLC300 control and networking functions, can simultaneously realize simultaneous water supply of two or more different areas, is provided with a sewage tank and a sewage pump in the water supply station, can timely drain water stored in the water supply station out of the water supply station, and avoids the problems of water storage or flooding equipment.
In order to solve the technical problems, the invention adopts the following technical scheme:
a system of a non-negative pressure water supply intelligent water station comprises a main power supply module, an intermediate relay module and a PLC network module, wherein the main power supply module provides a power supply for the system, the intermediate relay module provides a control loop of the system, the PLC network module is a control core of the system, is an issuing place of an output and input instruction and is also a center of network conversion;
the PLC network module comprises a CPU U1, wherein a touch screen is connected to a serial port of the CPU U1, a network switch is connected to a network port of the CPU U1, and the network switch is connected with monitoring equipment and a central control computer, and the network switch is used for communication between the CPU U1 and the touch screen and communication between the central control computer and the monitoring equipment;
the PLC network module further comprises a DP protocol converter U2, wherein the DP protocol converter U2 is communicated with the CPU unit U1 and the water pump motor frequency converter through a DP plug;
the 9 pin of the DP protocol converter U2 is connected with a DC0V line, the 10 pin of the DP protocol converter U2 is connected with a 1_24V line, the part is used for the power supply of the DP protocol converter U2, the DP communication port of the DP protocol converter U2 is connected with the DP communication port of the CPU unit U1 and the water pump motor frequency converter, and the part is used for the data communication between the CPU unit U1 and the water pump motor frequency converter through the DP protocol converter U2;
The PLC network module further comprises a switching value input unit U3, wherein the input end of the switching value input unit U3 is connected with input signals of the operation of the water pump motor in the area 1, the sewage pump and the sterilization, and the input signals are used for detecting the operation states of the water pump motor in the area 1, the sewage pump and the sterilization, transmitting detected signal data to the CPU unit U1 and providing signal basis for the control of the system;
the PLC network module further comprises a switching value input unit U4, wherein the input end of the switching value input unit U4 is connected with input signals of the operation of the water pressure in the 1 region and the safety and valve switch of the water station, and the switching value input unit is used for detecting the operation of the water pressure in the 1 region and the operation state of the safety and valve switch of the water station, transmitting detected signal data to the CPU unit U1 and providing a signal basis for the control of the system;
the PLC network module further comprises a switching value input unit U5, wherein the input end of the switching value input unit U5 is connected with input signals of the operation of the 2-area water pump motor and the 2-area water pressure operation, and the input signals are used for detecting the operation of the 2-area water pump motor and the 2-area water pressure operation state, transmitting detected signal data to the CPU unit U1 and providing a signal basis for the control of the system;
the PLC network module further comprises an analog input unit U9, wherein the analog input unit U9 is connected with a water quality detection signal, an inlet pressure signal and a water tank liquid level signal, and transmits processed signal data to the CPU unit U1 to provide a signal basis for the control of the system;
The PLC network module further comprises an analog input unit U10, wherein the analog input unit U10 is connected with the water outlet pressure signals of the area 1 and the area 2, and transmits the processed signal data to the CPU unit U1 to provide a signal basis for the control of the system.
Further, the main power supply module comprises a three-phase power supply C line, a B line, an A line and an N line, wherein the three-phase power supply C line, the B line, the A line and the N line are connected with one end of a breaker QF1, the other end of the breaker QF1 is connected with a three-phase power supply L1_C line, a L1_B line, a L1_A line and the N line, the L1_A line and the N line are connected with one end of a breaker QF2, the other end of the breaker QF2 is connected with one end of a switching power supply PS307, the other end of the switching power supply PS307 is connected with a DC0V line, one end of a fuse FU3, one end of a fuse FU4 and one end of a fuse FU5, the other end of the fuse FU3 is connected with a 1-24V line, the other end of the fuse FU4 is connected with a 3-24V line, and the other end of the fuse FU5 is used for providing 24V direct current power supply for the system;
the L1_A wire and the N wire are connected with one end of a breaker QF3, the other end of the breaker QF3 is connected with a flowmeter, the part is used for providing power for the flowmeter, the L1_A wire and the N wire are connected with one end of a breaker QF4, the other end of the breaker QF4 is connected with a 1# electric valve, the part is used for providing power for the 1# electric valve, the L1_A wire and the N wire are connected with one end of a breaker QF5, the other end of the breaker QF5 is connected with a 2# electric valve, the part is used for providing power for the 2# electric valve, the L1_A wire and the N wire are connected with one end of a breaker QF6, the other end of the breaker QF6 is connected with one end of a contactor KM_XD, the other end of the contactor KM_XD is connected with a disinfection device, the part is used for providing power for the disinfection device, the L1_A wire and the N wire are connected with one end of a breaker QF7, the other end of the breaker QF7 is connected with one end of a contactor KM_PF, the other end of the contactor KM_PF is connected with an exhaust device, the part is used for providing power for the exhaust device, the L1_A wire and the N wire are connected with one end of a breaker QF8, the other end of the breaker QF8 is connected with a socket, the part is used for providing power for the socket, the L1_A wire and the N wire are connected with one end of a breaker QF9, the other end of the breaker QF9 is connected with a heating device, the part is used for providing power for the heating device, the three-phase power supply L1_C wire, the L1_B wire and the L1_A wire are connected with one end of a breaker QF10, the other end of the breaker QF10 is connected with one end of a contactor KM_TF, the other end of the contactor KM_TF is connected with a peak regulating pump, the part is used for providing power for the peak regulating pump, the L1_A wire and the N wire are connected with one end of a breaker QF11, the other end of the breaker QF11 is connected with one end of a contactor KM_ZM, the other end of the contactor KM is connected with lighting device, this section is used to power the lighting device.
Further, the intermediate relay module comprises an intermediate relay J30 normally closed contact, one end of the intermediate relay J30 normally closed contact is connected with an L1_A line, the other end of the intermediate relay J30 normally closed contact is connected with one end of an indicator lamp L1, the other end of the indicator lamp L1 is connected with an N line, the part is used for controlling stop indication of a No. 2 sewage pump, the intermediate relay module further comprises an intermediate relay J30 normally open contact, one end of the intermediate relay J30 normally open contact is connected with an L1_A line, the other end of the intermediate relay J30 normally open contact is connected with one end of an indicator lamp L2, the other end of the indicator lamp L2 is connected with an N line, the part is used for controlling running indication of the No. 2 sewage pump, the intermediate relay module further comprises an intermediate relay J29 normally closed contact, one end of the intermediate relay J29 normally closed contact is connected with an L1_A line, the other end of the intermediate relay J29 normally closed contact is connected with one end of an indicator lamp L3, the other end of the indicator lamp L3 is connected with an N line, the part is used for controlling the stop indication of the 1# sewage pump, the intermediate relay module further comprises an intermediate relay J29 normally open contact, one end of the intermediate relay J29 normally open contact is connected with an L1_A line, the other end of the intermediate relay J29 normally open contact is connected with one end of the indicator lamp L4, the other end of the indicator lamp L4 is connected with an N line, the part is used for controlling the running indication of the 1# sewage pump, the intermediate relay module further comprises a contactor KM_TF normally closed contact, one end of the contactor KM_TF normally closed contact is connected with an L1_A line, the other end of the contactor KM_TF normally closed contact is connected with one end of the indicator lamp L5, the other end of the indicator lamp L5 is connected with an N line, the part is used for controlling the stop indication of the peak regulating pump, one end of a normally open contact of the contactor KM_TF is connected with an L1_A line, the other end of the normally open contact of the contactor KM_TF is connected with one end of an indicator lamp L6, the other end of the indicator lamp L6 is connected with an N line, and the part is used for controlling operation indication of a peak regulating pump.
Further, the intermediate relay module still includes knob S1 normally open contact, knob S1 normally open contact one end is connected with L1_A line, and knob S1 normally open contact other end is connected with contactor KM_XD coil one end, and contactor KM_XD coil other end is connected with N line, and this part is used for the control that disinfection equipment started and stopped, intermediate relay module still includes intermediate relay J12 normally open contact, and intermediate relay J12 normally open contact one end is connected with L1_A line, and the intermediate relay J12 normally open contact other end is connected with contactor KM_ZM coil one end, and contactor KM_ZM other end is connected with N line, and this part is used for the control that lighting equipment started and stopped, intermediate relay module still includes intermediate relay J14 normally open contact, and intermediate relay J14 normally open contact one end is connected with L1_A line, and intermediate relay J14 normally open contact other end is connected with contactor KM_PF coil one end, and the contactor KM_PF coil other end is connected with N line, and this part is used for the control that equipment started and stopped.
Further, the PLC network module further comprises a switching value output unit U6, a 1 st pin and a 11 th pin of the switching value output unit U6 are connected with 1-24V signals, a 10 th pin and a 20 th pin of the switching value output unit U6 are connected with DC0V signals, the part is used for connecting a public end of the switching value output unit U6, one end of a 2 nd pin of the switching value output unit U6 is connected with one end of an intermediate relay J1 coil, the other end of the intermediate relay J1 coil is connected with a DC0V line, the part is used for controlling the running of a 1# water pump motor in a 1 zone, one end of a 3 rd pin of the switching value output unit U6 is connected with one end of an intermediate relay J2 coil, the other end of the intermediate relay J2 coil is connected with a DC0V line, the part is used for controlling the running of a 2# water pump motor in a 1 zone, and the 4 th pin of the switching value output unit U6 is connected with one end of an intermediate relay J3 coil, and the other end of the intermediate relay J3 coil is connected with a DC0V line.
Further, the 6 th foot one end of switching value output unit U6 is connected with the one end of intermediate relay J4 coil, and DC0V line is connected to the other end of intermediate relay J4 coil, and this part is used for the control of trouble, the 7 th foot one end of switching value output unit U6 is connected with the one end of intermediate relay J5 coil, and the other end of intermediate relay J5 coil is connected with DC0V line, and this part is used for the control of alarm bell, the 8 th foot one end of switching value output unit U6 is connected with the one end of intermediate relay J6 coil, and the other end of intermediate relay J6 coil is connected with DC0V line, and this part is used for the control of 1# motorised valve opening, the 9 th foot one end of switching value output unit U6 is connected with the one end of intermediate relay J7 coil, and the other end of intermediate relay J7 coil is connected with DC0V line, and this part is used for the control of 1# motorised valve opening, and the other end of intermediate relay J8 coil is connected with the one end of intermediate relay J6, and this part is used for the control of 1# motorised valve opening, and the other end of switching value output unit U6 is connected with the one end of intermediate relay J8 coil.
Further, the 14 th foot one end of switching value output unit U6 is connected with the one end of intermediate relay J10 coil, and DC0V line is connected to the other end of intermediate relay J10 coil, and this part is used for the control of 1# dredge pump operation, the 15 th foot one end of switching value output unit U6 is connected with the one end of intermediate relay J11 coil, and the other end of intermediate relay J11 coil is connected DC0V line, and this part is used for the control of 2# dredge pump operation, the 16 th foot one end of switching value output unit U6 is connected with the one end of intermediate relay J12 coil, and the other end of intermediate relay J12 coil is connected DC0V line, and this part is used for the control of illumination, the 17 th foot one end of switching value output unit U6 is connected with the one end of intermediate relay J13 coil, and the other end of intermediate relay J13 coil is connected DC0V line, and this part is used for the control of disinfection, the 18 th foot one end of switching value output unit U6 is connected with the one end of intermediate relay J14 coil, and the other end of intermediate relay J14 coil is connected with DC0V line, and this part is used for the control of airing exhaust.
Further, the PLC network module further includes a switching value output unit U7, a 21 st pin and a 31 st pin of the switching value output unit U7 are connected with 1-24V signals, a 30 th pin and a 40 th pin of the switching value output unit U7 are connected with DC0V signals, this portion is used for a common terminal wiring of the switching value output unit U7, one end of a 22 nd pin of the switching value output unit U7 is connected with one end of an intermediate relay J16 coil, the other end of the intermediate relay J16 coil is connected with a DC0V line, this portion is used for control of 1# reset of zone 1, one end of a 23 rd pin of the switching value output unit U7 is connected with one end of an intermediate relay J17 coil, the other end of the intermediate relay J17 coil is connected with a DC0V line, this portion is used for control of 2# reset of zone 1, one end of the 24 th pin of the switching value output unit U7 is connected with one end of an intermediate relay J18 coil, the other end of the intermediate relay J18 coil is connected with DC0V line, this portion is used for control of 3# reset of zone 1, the other end of the switching value output unit U7 is connected with one end of the intermediate relay J19 coil, and the other end of the intermediate relay J19 coil is connected with one end of the intermediate coil. 1# control that resets, the 27 th foot one end of switching value output unit U7 is connected with the one end of intermediate relay J20 coil, and DC0V line is connected to the other end of intermediate relay J20 coil, and this part is used for 2 district: 2# control that resets, the 28 th foot one end of switching value output unit U7 is connected with the one end of intermediate relay J21 coil, and DC0V line is connected to the other end of intermediate relay J21 coil, and this part is used for 2 district: control of 3# reset.
Further, the PLC network module further comprises a switching value output unit U8, a 1 st pin and a 11 th pin of the switching value output unit U8 are connected with 1-24V signals, a 10 th pin and a 20 th pin of the switching value output unit U7 are connected with DC0V signals, the part is used for connecting a public end of the switching value output unit U8, one end of a 2 nd pin of the switching value output unit U8 is connected with one end of a J22 coil of an intermediate relay, the other end of the J22 coil of the intermediate relay is connected with a DC0V line, and the part is used for a 2 region: 1# of the switching value output unit U8, wherein one end of the 3 rd pin of the switching value output unit U8 is connected with one end of a coil of the intermediate relay J23, the other end of the coil of the intermediate relay J23 is connected with a DC0V line, and the part is used for the zone 2: 2# of the switching value output unit U8, wherein one end of the 4 th pin of the switching value output unit U8 is connected with one end of a coil of the intermediate relay J24, the other end of the coil of the intermediate relay J24 is connected with a DC0V line, and the part is used for the zone 2: and 3# operation control, wherein one end of a 16 th pin of the switching value output unit U8 is connected with one end of a coil of the intermediate relay J25, the other end of the coil of the intermediate relay J25 is connected with a DC0V line, and the part is used for controlling the operation of the peak regulating pump.
A realization method of a system of a non-negative pressure water supply intelligent water station comprises the following steps:
The working procedure starts in step S100, and the procedure starts and step S101 is executed;
step S101, powering up a system; step S102 is executed;
step S102, the control system judges whether each communication is normal, if so, step S104 and step S105 are executed; if not, executing step S103;
step S103, processing an alarm signal; the program jumps to the program start S102;
step S104, starting a No. 1 water pump motor in the area 1;
step S105, starting a No. 1 water pump motor in the area 2; step S106 is executed;
step S106, the control system judges whether the water supply pressure of the zone 1 and the water supply pressure of the zone 2 are normal; if yes, go to step S108; if not, go to step S107;
step S107, the control system starts a pump adding or subtracting program; the program jumps to the program start S102;
step S108, the control system judges whether the liquid level of the water pit is normal; if yes, go to step S110; if not, go to step S109;
step S109, the control system starts a sewage pump program; the program jumps to the program start S102;
step S110, the control system judges whether the door access and window signals are normal; if yes, go to step S112; if not, executing step S111;
step S111, the control system starts an alarm program and uploads a network or a mobile phone; the program jumps to the program start S102;
Step S112, the control system judges whether the fire alarm signal is normal; if yes, the program jumps to the program start S102; if not, executing step S113;
step S113, the control system starts a fire alarm program and uploads the fire alarm program to a network or a mobile phone; the program jumps to the program start S102; this is repeated.
Compared with the prior art, the invention has the following technical effects:
1. the system adopts Siemens 300PLC control, the PLC is connected with water pump motors and sensors in different water supply areas, and can realize different speed operation on the water pump motors and sensors according to set pressure so as to realize water supply in different areas.
2. The intelligent water station is internally provided with a water storage tank, water stored on the ground in the water station is collected by the water storage tank, a liquid level sensor and a sewage pump are arranged in the water storage tank, the liquid level sensor transmits the detected liquid level of the water storage tank to a control system, the control system opens and closes the sewage pump according to the set liquid level, and the water stored in the water station is discharged out of the water storage station in time, so that the problem of water storage or flooding equipment is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. The various elements or portions thereof are not necessarily drawn to scale and in any particular direction in the drawings.
FIG. 1 is an electrical schematic diagram of a main power module of the present invention;
FIG. 2 is an electrical schematic of an intermediate relay module of the present invention;
fig. 3 to 7 are electrical schematic diagrams of the PLC network module of the present invention;
fig. 8 is a flow chart of a method implemented in the present invention.
Detailed Description
Embodiment 1, a system of no negative pressure water supply wisdom water station, including main power module, intermediate relay module and PLC network module, main power module provides power supply for this system, and intermediate relay module provides the control loop of this system, and the PLC network module is the control core of this system, is the place of sending of output and input instruction, also is the center of network conversion.
The main power supply module comprises a circuit breaker, the circuit breaker is connected with a switch power supply, a flowmeter power supply, an electric valve power supply, a disinfection power supply and a contactor, wherein the switch power supply provides a direct current 24V power supply for providing 24V power for a touch screen, a network switch and other electric appliances, the other end of the contactor is connected with a disinfection power supply, an exhaust power supply, a peak regulating pump and a lighting power supply, and the part is used for providing power for disinfection, exhaust, the peak regulating pump and lighting.
As shown in fig. 1, the main power module includes a three-phase power C line, a B line, an a line, and an N line, the three-phase C line, the B line, the a line, and the N line are connected with a circuit breaker QF1 one end, the other end of the circuit breaker QF1 is connected with a three-phase power l1_c line, a l1_b line, a l1_a line, and an N line, the l1_a line and the N line are connected with a circuit breaker QF2 one end, the other end of the circuit breaker QF2 is connected with one end of a switching power PS307, the other end of the switching power PS307 is connected with a DC0V line, one end of a fuse FU3, one end of a fuse FU4, and one end of a fuse FU5, the other end of the fuse FU3 is connected with a 1-24V line, the other end of the fuse FU4 is connected with a 2-24V line, and the other end of the fuse FU5 is connected with a 3-24V line.
The L1_A wire and the N wire are connected with one end of a breaker QF3, the other end of the breaker QF3 is connected with a flowmeter, the part is used for providing power for the flowmeter, the L1_A wire and the N wire are connected with one end of a breaker QF4, the other end of the breaker QF4 is connected with a 1# electric valve, the part is used for providing power for the 1# electric valve, the L1_A wire and the N wire are connected with one end of a breaker QF5, the other end of the breaker QF5 is connected with a 2# electric valve, the part is used for providing power for the 2# electric valve, the L1_A wire and the N wire are connected with one end of a breaker QF6, the other end of the breaker QF6 is connected with one end of a contactor KM_XD, the other end of the contactor KM_XD is connected with a disinfection device, the part is used for providing power for the disinfection device, the L1_A wire and the N wire are connected with one end of a breaker QF7, the other end of the breaker QF7 is connected with one end of a contactor KM_PF, the other end of the contactor KM_PF is connected with an exhaust device, the part is used for providing power for the exhaust device, the L1_A wire and the N wire are connected with one end of a breaker QF8, the other end of the breaker QF8 is connected with a socket, the part is used for providing power for the socket, the L1_A wire and the N wire are connected with one end of a breaker QF9, the other end of the breaker QF9 is connected with a heating device, the part is used for providing power for the heating device, the three-phase power supply L1_C wire, the L1_B wire and the L1_A wire are connected with one end of a breaker QF10, the other end of the breaker QF10 is connected with one end of a contactor KM_TF, the other end of the contactor KM_TF is connected with a peak regulating pump, the part is used for providing power for the peak regulating pump, the L1_A wire and the N wire are connected with one end of a breaker QF11, the other end of the breaker QF11 is connected with one end of a contactor KM_ZM, the other end of the contactor KM is connected with lighting device, this section is used to power the lighting device.
The intermediate relay module comprises an intermediate relay contact, the intermediate relay contact is connected with an indicator lamp, the intermediate relay contact is used for loop control of running instructions of a No. 1 sewage pump, a No. 2 sewage pump and a peak regulating pump, the intermediate relay contact is also connected with a contactor coil, and the intermediate relay contact is used for loop control of starting and stopping of disinfection equipment, lighting equipment and exhaust equipment.
As shown in figure 2, the intermediate relay module comprises an intermediate relay J30 normally closed contact, one end of the intermediate relay J30 normally closed contact is connected with an L1_A line, the other end of the intermediate relay J30 normally closed contact is connected with an indicator lamp L1 end, the other end of the indicator lamp L1 is connected with an N line, the part is used for controlling stop indication of a No. 2 sewage pump, the intermediate relay module further comprises an intermediate relay J30 normally open contact, one end of the intermediate relay normally J30 normally open contact is connected with an L1_A line, the other end of the intermediate relay J30 normally open contact is connected with an indicator lamp L2 end, the other end of the indicator lamp L2 is connected with an N line, the part is used for controlling running indication of the No. 2 sewage pump, the intermediate relay module further comprises an intermediate relay J29 normally closed contact, one end of the intermediate relay J29 normally closed contact is connected with an L1_A line, the other end of the intermediate relay J29 normally closed contact is connected with an indicator lamp L3 end, the other end of the indicator lamp L3 is connected with an N line, the part is used for controlling the stop indication of the 1# sewage pump, the intermediate relay module further comprises an intermediate relay J29 normally open contact, one end of the intermediate relay J29 normally open contact is connected with an L1_A line, the other end of the intermediate relay J29 normally open contact is connected with one end of the indicator lamp L4, the other end of the indicator lamp L4 is connected with an N line, the part is used for controlling the running indication of the 1# sewage pump, the intermediate relay module further comprises a contactor KM_TF normally closed contact, one end of the contactor KM_TF normally closed contact is connected with an L1_A line, the other end of the contactor KM_TF normally closed contact is connected with one end of the indicator lamp L5, the other end of the indicator lamp L5 is connected with an N line, the part is used for controlling the stop indication of the peak regulating pump, one end of a normally open contact of the contactor KM_TF is connected with an L1_A line, the other end of the normally open contact of the contactor KM_TF is connected with one end of an indicator lamp L6, the other end of the indicator lamp L6 is connected with an N line, and the part is used for controlling operation indication of a peak regulating pump.
The intermediate relay module further comprises a knob S1 normally open contact, one end of the knob S1 normally open contact is connected with an L1_A wire, the other end of the knob S1 normally open contact is connected with one end of a contactor KM_XD coil, the other end of the contactor KM_XD coil is connected with an N wire, the part is used for controlling the starting and stopping of disinfection equipment, the intermediate relay module further comprises an intermediate relay J12 normally open contact, one end of the intermediate relay J12 normally open contact is connected with an L1_A wire, the other end of the intermediate relay J12 normally open contact is connected with one end of a contactor KM_ZM coil, the other end of the contactor KM_ZM coil is connected with an N wire, the part is used for controlling the starting and stopping of illumination equipment, the intermediate relay module further comprises an intermediate relay J14 normally open contact, one end of the intermediate relay J14 normally open contact is connected with an L1_A wire, and the other end of the contactor KM_PF coil is connected with an N wire.
The PLC network module comprises a CPU U1, a touch screen is connected to a serial port of the CPU U1, a network switch is connected to a network port of the CPU U1, and the network switch is connected with monitoring equipment and a central control computer, and the network switch is used for communication between the CPU U1 and the touch screen and communication between the central control computer and the monitoring equipment.
As shown in fig. 3, the 232 serial port of the CPU unit U1 is connected to a serial port of a touch screen, and this part is used for communication between the CPU unit U1 and the touch screen, so that data and instructions of the system can be transmitted to the touch screen, the network interface of the CPU unit U1 is connected to a network switch, the network switch is connected to a central control computer and a monitoring device, this part is used for communication between the CPU unit U1 and the central control computer and the monitoring device through the network switch, so that data of the system and data of the monitoring device can be transmitted to the central control computer and the mobile phone through a network, and the central control computer and the mobile phone can also operate and monitor devices in the system through the network.
The PLC network module further comprises a DP protocol converter U2, and the DP protocol converter U2 is communicated with the CPU unit U1 and the water pump motor frequency converter through a DP plug.
As shown in fig. 4, pin 9 of the DP protocol converter U2 is connected with a DC0V line, pin 10 of the DP protocol converter U2 is connected with a 1_24v line, this part is used for the power supply of the DP protocol converter U2, the DP communication port of the DP protocol converter U2 is connected with the DP communication port of the water pump motor inverter with the CPU unit U1, this part is used for the data communication between the CPU unit U1 and the water pump motor inverter through the DP protocol converter U2.
The PLC network module further comprises a switching value input unit U3, and the input end of the switching value input unit U3 is connected with operation signals of the water pump motor in the area 1, a sewage pump and disinfection input signals, and the switching value input unit U3 is used for detecting the operation states of the water pump motor in the area 1, the sewage pump and the disinfection operation states and transmitting detected signal data to the CPU unit U1 to provide signal basis for control of the system.
As shown in fig. 4, the 2 nd pin of the switching value input unit U3 is connected with a remote/on-site signal of the 1 st zone, the 3 rd pin of the switching value input unit U3 is connected with a 1 st water pump motor operation feedback signal of the 1 st zone, the 4 th pin of the switching value input unit U3 is connected with a 1 st water pump motor fault feedback signal of the 1 st zone, the 6 th pin of the switching value input unit U3 is connected with a 2 nd water pump motor operation feedback signal of the 1 st zone, the 7 th pin of the switching value input unit U3 is connected with a 2 nd water pump motor fault feedback signal of the 1 st zone, the 9 th pin of the switching value input unit U3 is connected with a 3 rd water pump motor operation feedback signal of the 1 st zone, the 13 th pin of the switching value input unit U3 is connected with a 1 st drain remote/on-site signal of the 1 st zone, the 14 th pin of the switching value input unit U3 is connected with a 1 st drain operation feedback signal, the 9 th pin of the switching value input unit U3 is connected with a 2 nd drain pump motor operation feedback signal of the 1 st zone, the switching value input unit U3 is connected with a 2 nd drain signal of the switching value input unit is connected with a 2 nd drain signal of the 1 st zone,
The 18 th pin of the switching value input unit U3 is connected with a 2# pollution discharge fault feedback signal, the 19 th pin of the switching value input unit U3 is connected with a disinfection fault signal, and the 20 th pin of the switching value input unit U3 is connected with a DC0V signal.
The PLC network module further comprises a switching value input unit U4, wherein the input end of the switching value input unit U4 is connected with input signals of the operation of the water pressure in the 1 region and the safety and valve switch of the water station, and the switching value input unit is used for detecting the operation of the water pressure in the 1 region and the operation state of the safety and valve switch of the water station, transmitting detected signal data to the CPU unit U1 and providing a signal basis for the control of the system.
As shown in fig. 4, the 22 nd pin of the switching value input unit U4 is connected with a 1 st area overpressure feedback signal, the 23 rd pin of the switching value input unit U4 is connected with a 1 st area negative pressure feedback signal, the 24 th pin of the switching value input unit U4 is connected with a flooding feedback signal, the 25 th pin of the switching value input unit U4 is connected with a smoke feedback signal, the 26 th pin of the switching value input unit U4 is connected with an entrance guard feedback signal, the 27 th pin of the switching value input unit U4 is connected with a broken window feedback signal, the 28 th pin of the switching value input unit U4 is connected with an infrared feedback signal, the 29 th pin of the switching value input unit U4 is connected with a monitoring alarm feedback signal, the 32 nd pin of the switching value input unit U4 is connected with a 1# electric valve remote/local signal, the 33 th pin of the switching value input unit U4 is connected with a 1# valve on-position signal, the 34 th pin of the switching value input unit U4 is connected with a 1# valve on-position signal, the 27 th pin of the switching value input unit U4 is connected with a 1# valve on-position signal, the 29 th pin of the switching value input unit U4 is connected with a 2# valve on-position signal, the switching value input unit U4 is connected with a 2# 2 nd pin of the switching value input unit is connected with a 2# valve on-position signal, and the signal is connected with a 3 # 2# signal.
The PLC network module further comprises a switching value input unit U5, and input signals of the operation of the 2-area water pump motor and the 2-area water pressure operation are connected to the input end of the switching value input unit U5 and used for detecting the operation of the 2-area water pump motor and the 2-area water pressure operation state, and transmitting detected signal data to the CPU unit U1 to provide signal basis for the control of the system.
As shown in fig. 5, the 2 nd pin of the switching value input unit U5 is connected with 2 zones: remote/local signal, the 3 rd pin of the switching value input unit U5 is connected with zone 2: the motor operation feedback signal of the No. 1 water pump, wherein the 4 th pin of the switching value input unit U5 is connected with a 2 zone: the No. 1 water pump motor fault feedback signal, the 6 th foot of switching value input unit U5 is connected with 2 district: 2# water pump motor operation feedback signal, the 7 th foot of switching value input unit U5 is connected with 2 district: 2# water pump motor fault feedback signal, switching value input unit U5's 9 th foot is connected with 2 district: the motor operation feedback signal of the No. 3 water pump, the 12 th pin of the switching value input unit U5 is connected with a 2 zone: the motor fault feedback signal of the No. 3 water pump, the 16 th pin of the switching value input unit U5 is connected with a 2-region overvoltage feedback signal, the 17 th pin of the switching value input unit U5 is connected with a 2-region negative pressure feedback signal, and the 20 th pin of the switching value input unit U5 is connected with a DC0V signal.
The PLC network module further comprises a switching value output unit U6, the output end of the switching value output unit U6 is connected with a relay coil, and the switching value output unit U6 is used for realizing the start and stop of the water pump motor, faults, alarm bells, electric valves, sewage pumps, illumination, disinfection and exhaust in the area 1 through controlling the relay coil.
As shown in FIG. 5, the 1 st and 11 th pins of the switching value output unit U6 are connected with 1-24V signals, the 10 th and 20 th pins of the switching value output unit U6 are connected with DC0V signals, the part is used for the public terminal wiring of the switching value output unit U6, one end of the 2 nd pin of the switching value output unit U6 is connected with one end of an intermediate relay J1 coil, the other end of the intermediate relay J1 coil is connected with DC0V wire, the part is used for controlling the running of the 1 st water pump motor in the 1 region, one end of the 3 rd pin of the switching value output unit U6 is connected with one end of the intermediate relay J2 coil, the other end of the intermediate relay J2 coil is connected with DC0V wire, the part is used for controlling the running of the 2 nd water pump motor in the 1 region, one end of the 4 th pin of the switching value output unit U6 is connected with one end of the intermediate relay J3 coil, the other end of the intermediate relay J3 coil is connected with DC0V wire, the part is used for controlling the running of a 3# water pump motor in a 1 zone, one end of a 6 th pin of a switching value output unit U6 is connected with one end of a J4 coil of an intermediate relay, the other end of the J4 coil of the intermediate relay is connected with a DC0V wire, the part is used for controlling faults, one end of a 7 th pin of the switching value output unit U6 is connected with one end of a J5 coil of the intermediate relay, the other end of the J5 coil of the intermediate relay is connected with a DC0V wire, the part is used for controlling the opening of a 1# electric valve, the other end of the 9 th pin of the U6 is connected with the one end of the J7 coil of the intermediate relay, the other end of the J7 coil of the intermediate relay is connected with the DC0V wire, the part is used for controlling the closing of a 1# electric valve, one end of a 12 th pin of a switching value output unit U6 is connected with one end of a coil of an intermediate relay J8, the other end of the coil of the intermediate relay J8 is connected with a DC0V line, the part is used for controlling the opening of a 2# electric valve, one end of a 13 th pin of the switching value output unit U6 is connected with one end of a coil of the intermediate relay J9, the other end of the coil of the intermediate relay J9 is connected with a DC0V line, the part is used for controlling the operation of a 1# sewage pump, one end of a 14 th pin of the switching value output unit U6 is connected with one end of a coil of the intermediate relay J11, the other end of the intermediate relay J11 coil is connected with a DC0V line, the part is used for controlling the running of the 2# sewage pump, one end of a 16 th pin of the switching value output unit U6 is connected with one end of the intermediate relay J12 coil, the other end of the intermediate relay J12 coil is connected with the DC0V line, the part is used for controlling illumination, one end of a 17 th pin of the switching value output unit U6 is connected with one end of an intermediate relay J13 coil, the other end of the intermediate relay J13 coil is connected with the DC0V line, the part is used for controlling disinfection, one end of a 18 th pin of the switching value output unit U6 is connected with one end of an intermediate relay J14 coil, the other end of the intermediate relay J14 coil is connected with the DC0V line, and the part is used for controlling exhaust.
The PLC network module further comprises a switching value output unit U7, the output end of the switching value output unit U7 is connected with a relay coil, and the switching value output unit U7 achieves starting and stopping of resetting of the zone 1 and the zone 2 by controlling the relay coil.
As shown in fig. 6, the 21 st pin and the 31 st pin of the switching value output unit U7 are connected with 1-24V signals, the 30 th pin and the 40 th pin of the switching value output unit U7 are connected with DC0V signals, this part is used for the common terminal wiring of the switching value output unit U7, the 22 nd pin one end of the switching value output unit U7 is connected with one end of the intermediate relay J16 coil, the other end of the intermediate relay J16 coil is connected with DC0V line, this part is used for the control of the 1# reset of zone 1, the 23 rd pin one end of the switching value output unit U7 is connected with one end of the intermediate relay J17 coil, the other end of the intermediate relay J17 coil is connected with DC0V line, this part is used for the control of the 2# reset of zone 1, the first 24 pin one end of the switching value output unit U7 is connected with one end of the intermediate relay J18 coil, the other end of the intermediate relay J18 coil is connected with DC0V line, this part is used for the control of the 3# reset of zone 1, the first end of the intermediate pin 26 of the switching value output unit U7 is connected with one end of the intermediate relay J19 coil of zone 2, the other end of the intermediate relay J19 is connected with the DC0V line of zone 0: 1# control that resets, the 27 th foot one end of switching value output unit U7 is connected with the one end of intermediate relay J20 coil, and DC0V line is connected to the other end of intermediate relay J20 coil, and this part is used for 2 district: 2# control that resets, the 28 th foot one end of switching value output unit U7 is connected with the one end of intermediate relay J21 coil, and DC0V line is connected to the other end of intermediate relay J21 coil, and this part is used for 2 district: control of 3# reset.
The PLC network module further comprises a switching value output unit U8, the output end of the switching value output unit U8 is connected with a relay coil, and the switching value output unit U8 controls the relay coil to realize the operation of the region 2 and the start and stop of the peak regulation pump.
As shown in fig. 6, the 1 st pin and the 11 th pin of the switching value output unit U8 are connected with 1-24V signals, the 10 th pin and the 20 th pin of the switching value output unit U7 are connected with DC0V signals, this part is used for the common terminal wiring of the switching value output unit U8, one end of the 2 nd pin of the switching value output unit U8 is connected with one end of the intermediate relay J22 coil, the other end of the intermediate relay J22 coil is connected with DC0V line, this part is used for the 2 region: 1# of the switching value output unit U8, wherein one end of the 3 rd pin of the switching value output unit U8 is connected with one end of a coil of the intermediate relay J23, the other end of the coil of the intermediate relay J23 is connected with a DC0V line, and the part is used for the zone 2: 2# of the switching value output unit U8, wherein one end of the 4 th pin of the switching value output unit U8 is connected with one end of a coil of the intermediate relay J24, the other end of the coil of the intermediate relay J24 is connected with a DC0V line, and the part is used for the zone 2: and 3# operation control, wherein one end of a 16 th pin of the switching value output unit U8 is connected with one end of a coil of the intermediate relay J25, the other end of the coil of the intermediate relay J25 is connected with a DC0V line, and the part is used for controlling the operation of the peak regulating pump.
The PLC network module further comprises an analog input unit U9, wherein the analog input unit U9 is connected with a water quality detection signal, an inlet pressure signal and a water tank liquid level signal, and transmits processed signal data to the CPU unit U1 to provide a signal basis for control of the system.
As shown in fig. 7, the 1 st pin of the analog input unit U9 is connected with a 1-24V signal, the 20 th pin of the analog input unit U9 is connected with a DC0V signal, this part is used for the power supply of the analog input unit U9, and the 2 nd pin and the 3 rd pin of the analog input unit U9 are connected with DB9:1 and DB9:2 signals, the portion being for detecting residual chlorine, the 4 th and 5 th pins of the analog input unit U9 being connected with DB9:4 and DB9:5 signals, the portion being for detecting turbidity, the 6 th and 7 th pins of the analog input unit U9 being connected with DB9:7 and DB9:8 signals, the portion being for detecting PH, the 8 th and 9 th pins of the analog input unit U9 being connected with DB9:10 and DC0V signals, the portion being for detecting sump liquid level, the 12 th and 13 th pins of the analog input unit U9 being connected with DB9:13 and DC0V signals, the portion being for detecting 1# inlet pressure, the 14 th and 15 th pins of the analog input unit U9 being connected with DB9:16 and DC0V signals, the 16 th and 17 th pins of the analog input unit U9 being connected with DB9:19 and DC0, the portion being for detecting liquid level of the water tank inlet level, the portion being connected with DB 9:18 and the portion being for detecting liquid level of the water tank, the portion being connected with DB 9:18.
The PLC network module further comprises an analog input unit U10, wherein the analog input unit U10 is connected with the water outlet pressure signals of the area 1 and the area 2, and transmits the processed signal data to the CPU unit U1 to provide a signal basis for the control of the system.
As shown in fig. 7, the 1 st pin of the analog input unit U10 is connected with 1-24V signals, the 20 th pin of the analog input unit U10 is connected with DC0V signals, this part is used for the power supply of the analog input unit U10, the 2 nd pin and the 3 rd pin of the analog input unit U10 are connected with DB9:25 and DC0V signals, this part is used for the water outlet pressure detection signal of zone 1, the 4 th pin and the 5 th pin of the analog input unit U10 are connected with DB9:27 and DC0V signals, this part is used for zone 2: and a water outlet pressure detection signal.
As shown in fig. 8, in order to further explain the system of the intelligent water station without negative pressure water supply and the implementation method thereof, the steps of the implementation method will be described as follows.
The working procedure starts in step S100, and the procedure starts and step S101 is executed;
step S101, powering up a system; step S102 is executed;
step S102, the control system judges whether each communication is normal, if so, step S104 and step S105 are executed; if not, executing step S103;
Step S103, processing an alarm signal; the program jumps to the program start S102;
step S104, starting a No. 1 water pump motor in the area 1;
step S105, starting a No. 1 water pump motor in the area 2; step S106 is executed;
step S106, the control system judges whether the water supply pressure of the zone 1 and the water supply pressure of the zone 2 are normal; if yes, go to step S108; if not, go to step S107;
step S107, the control system starts a pump adding or subtracting program; the program jumps to the program start S102;
step S108, the control system judges whether the liquid level of the water pit is normal; if yes, go to step S110; if not, go to step S109;
step S109, the control system starts a sewage pump program; the program jumps to the program start S102;
step S110, the control system judges whether the door access and window signals are normal; if yes, go to step S112; if not, executing step S111;
step S111, the control system starts an alarm program and uploads a network or a mobile phone; the program jumps to the program start S102;
step S112, the control system judges whether the fire alarm signal is normal; if yes, the program jumps to the program start S102; if not, executing step S113;
step S113, the control system starts a fire alarm program and uploads the fire alarm program to a network or a mobile phone; the program jumps to the program start S102; this is repeated.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (2)

1. A system of no negative pressure water supply wisdom water station, its characterized in that: the system comprises a main power supply module, an intermediate relay module and a PLC network module, wherein the main power supply module provides a power supply for the system, the intermediate relay module provides a control loop of the system, the PLC network module is a control core of the system, is an issuing place of an output and input instruction and is also a center of network conversion;
the PLC network module comprises a CPU U1, wherein a touch screen is connected to a serial port of the CPU U1, a network switch is connected to a network port of the CPU U1, and the network switch is connected with monitoring equipment and a central control computer, and the network switch is used for communication between the CPU U1 and the touch screen and communication between the central control computer and the monitoring equipment;
The PLC network module further comprises a DP protocol converter U2, and the DP protocol converter U2 is communicated with the CPU unit U1 and the water pump motor frequency converter through a DP plug;
the 9 pin of the DP protocol converter U2 is connected with a DC0V line, the 10 pin of the DP protocol converter U2 is connected with a 1_24V line, the part is used for the power supply of the DP protocol converter U2, the DP communication port of the DP protocol converter U2 is connected with the DP communication port of the CPU unit U1 and the water pump motor frequency converter, and the part is used for the data communication between the CPU unit U1 and the water pump motor frequency converter through the DP protocol converter U2;
the PLC network module further comprises a switching value input unit U3, wherein the input end of the switching value input unit U3 is connected with operation of all water pump motors in the area 1 and input signals of all sewage pumps and disinfection, and the switching value input unit is used for detecting the operation of all water pump motors in the area 1 and the operation states of all sewage pumps and disinfection, transmitting detected signal data to the CPU unit U1 and providing signal basis for control of the system;
the PLC network module further comprises a switching value input unit U4, wherein the input end of the switching value input unit U4 is connected with input signals of the operation of the water pressure in the 1 region and the safety and valve switch of the water station, and the switching value input unit is used for detecting the operation of the water pressure in the 1 region and the operation state of the safety and valve switch of the water station, transmitting detected signal data to the CPU unit U1 and providing a signal basis for the control of the system;
The PLC network module further comprises a switching value input unit U5, and input signals of the operation of all the water pump motors in the area 2 and the water pressure operation in the area 2 are connected to the input end of the switching value input unit U5, and are used for detecting the operation of all the water pump motors in the area 2 and the water pressure operation state in the area 2, transmitting detected signal data to the CPU unit U1, and providing a signal basis for the control of the system;
the PLC network module further comprises an analog input unit U9, wherein the analog input unit U9 is connected with a water quality detection signal, an inlet pressure signal and a water tank liquid level signal, and transmits processed signal data to the CPU unit U1 to provide a signal basis for the control of the system;
the PLC network module further comprises an analog input unit U10, wherein the analog input unit U10 is connected with the water outlet pressure signals of the zone 1 and the zone 2, and transmits the processed signal data to the CPU unit U1 to provide a signal basis for the control of the system;
the main power supply module comprises a three-phase power supply C line, a B line, an A line and an N line, wherein the three-phase power supply C line, the B line, the A line and the N line are connected with one end of a breaker QF1, the other end of the breaker QF1 is connected with a three-phase power supply L1_C line, a L1_B line, a L1_A line and the N line, the L1_A line and the N line are connected with one end of a breaker QF2, the other end of the breaker QF2 is connected with one end of a switching power supply PS307, the other end of the switching power supply PS307 is connected with a DC0V line, one end of a fuse FU3, one end of a fuse FU4 and one end of a fuse FU5 are connected with 1-24V lines, the other end of the fuse FU4 is connected with 2-24V lines, and the other end of the fuse FU5 is connected with 3-24V lines, and the part is used for providing 24V direct current power supply for the system;
The L1_A wire and the N wire are connected with one end of a breaker QF3, the other end of the breaker QF3 is connected with a flowmeter, the part is used for providing power for the flowmeter, the L1_A wire and the N wire are connected with one end of a breaker QF4, the other end of the breaker QF4 is connected with a 1# electric valve, the part is used for providing power for the 1# electric valve, the L1_A wire and the N wire are connected with one end of a breaker QF5, the other end of the breaker QF5 is connected with a 2# electric valve, the part is used for providing power for the 2# electric valve, the L1_A wire and the N wire are connected with one end of a breaker QF6, the other end of the breaker QF6 is connected with one end of a contactor KM_XD, the other end of the contactor KM_XD is connected with a disinfection device, the part is used for providing power for the disinfection device, the L1_A wire and the N wire are connected with one end of a breaker QF7, the other end of the breaker QF7 is connected with one end of a contactor KM_PF, the other end of the contactor KM_PF is connected with an exhaust device, the part is used for providing power for the exhaust device, the L1_A wire and the N wire are connected with one end of a breaker QF8, the other end of the breaker QF8 is connected with a socket, the part is used for providing power for the socket, the L1_A wire and the N wire are connected with one end of a breaker QF9, the other end of the breaker QF9 is connected with a heating device, the part is used for providing power for the heating device, the three-phase power supply L1_C wire, the L1_B wire and the L1_A wire are connected with one end of a breaker QF10, the other end of the breaker QF10 is connected with one end of a contactor KM_TF, the other end of the contactor KM_TF is connected with a peak regulating pump, the part is used for providing power for the peak regulating pump, the L1_A wire and the N wire are connected with one end of a breaker QF11, the other end of the breaker QF11 is connected with one end of a contactor KM_ZM, the other end of the contactor KM is connected with lighting device, this part is used for providing power for the lighting device;
The intermediate relay module comprises an intermediate relay J30 normally-closed contact, one end of the intermediate relay J30 normally-closed contact is connected with an L1_A line, the other end of the intermediate relay J30 normally-closed contact is connected with one end of an indicator lamp L1, the other end of the indicator lamp L1 is connected with an N line, the part is used for controlling stop indication of a 2# sewage pump, the intermediate relay module further comprises an intermediate relay J30 normally-open contact, one end of the intermediate relay J30 normally-open contact is connected with the L1_A line, the other end of the intermediate relay J30 normally-open contact is connected with one end of an indicator lamp L2, the other end of the indicator lamp L2 is connected with the N line, the part is used for controlling running indication of the 2# sewage pump, the intermediate relay module further comprises an intermediate relay J29 normally-closed contact, one end of the intermediate relay J29 normally-closed contact is connected with the L1_A line, the other end of the intermediate relay J29 normally-closed contact is connected with one end of the indicator lamp L3, the other end of the indicator lamp L3 is connected with an N line, the part is used for controlling the stop indication of the 1# sewage pump, the intermediate relay module further comprises an intermediate relay J29 normally open contact, one end of the intermediate relay J29 normally open contact is connected with an L1_A line, the other end of the intermediate relay J29 normally open contact is connected with one end of the indicator lamp L4, the other end of the indicator lamp L4 is connected with an N line, the part is used for controlling the running indication of the 1# sewage pump, the intermediate relay module further comprises a contactor KM_TF normally closed contact, one end of the contactor KM_TF normally closed contact is connected with an L1_A line, the other end of the contactor KM_TF normally closed contact is connected with an indicator lamp L5, the other end of the indicator lamp L5 is connected with an N line, the part is used for controlling the stop indication of the peak regulating pump, one end of the contactor KM_TF normally open contact is connected with an L1_A line, the other end of the normally open contact of the contactor KM-TF is connected with one end of an indicator lamp L6, the other end of the indicator lamp L6 is connected with an N line, and the part is used for controlling the operation indication of the peak regulating pump;
The intermediate relay module further comprises a knob S1 normally open contact, one end of the knob S1 normally open contact is connected with an L1_A wire, the other end of the knob S1 normally open contact is connected with one end of a contactor KM_XD coil, the other end of the contactor KM_XD coil is connected with an N wire, the part is used for controlling the starting and stopping of disinfection equipment, the intermediate relay module further comprises an intermediate relay J12 normally open contact, one end of the intermediate relay J12 normally open contact is connected with an L1_A wire, the other end of the intermediate relay J12 normally open contact is connected with one end of a contactor KM_ZM coil, the other end of the contactor KM_ZM coil is connected with an N wire, the part is used for controlling the starting and stopping of illumination equipment, the intermediate relay module further comprises an intermediate relay J14 normally open contact, one end of the intermediate relay J14 normally open contact is connected with an L1_A wire, and the other end of the contactor KM_PF coil is connected with an N wire;
the PLC network module further comprises a switching value output unit U6, wherein the 1 st pin and the 11 th pin of the switching value output unit U6 are connected with 1-24V signals, the 10 th pin and the 20 th pin of the switching value output unit U6 are connected with DC0V signals, the part is used for connecting a public end of the switching value output unit U6, one end of the 2 nd pin of the switching value output unit U6 is connected with one end of an intermediate relay J1 coil, the other end of the intermediate relay J1 coil is connected with a DC0V wire, the part is used for controlling the running of the 1# water pump motor in the 1 zone, one end of the 3 rd pin of the switching value output unit U6 is connected with one end of the intermediate relay J2 coil, the other end of the intermediate relay J2 coil is connected with a DC0V wire, the part is used for controlling the running of the 2# water pump motor in the 1 zone, and the 4 th pin of the switching value output unit U6 is connected with one end of the intermediate relay J3 coil, and the other end of the intermediate relay J3 coil is connected with the DC0V wire;
The switching value output unit U6 is characterized in that one end of a 6 th pin of the switching value output unit U6 is connected with one end of an intermediate relay J4 coil, the other end of the intermediate relay J4 coil is connected with a DC0V line, the part is used for fault control, one end of a 7 th pin of the switching value output unit U6 is connected with one end of an intermediate relay J5 coil, the other end of the intermediate relay J5 coil is connected with a DC0V line, the other end of the intermediate relay J6 coil is connected with a DC0V line, the part is used for controlling the opening of a 1# electric valve, one end of a 9 th pin of the switching value output unit U6 is connected with one end of an intermediate relay J7 coil, the other end of the intermediate relay J7 coil is connected with a DC0V line, the part is used for controlling the opening of the 1# electric valve, one end of a 12 th pin of the switching value output unit U6 is connected with one end of an intermediate relay J8 coil, the other end of the intermediate relay J8 coil is connected with a DC0V line, the part is used for controlling the opening of the 2# electric valve, and the other end of the switching value output unit U6 is connected with the DC0V line;
One end of a 14 th pin of the switching value output unit U6 is connected with one end of a coil of an intermediate relay J10, the other end of the coil of the intermediate relay J10 is connected with a DC0V line, the part is used for controlling the running of a No. 1 sewage pump, one end of a 15 th pin of the switching value output unit U6 is connected with one end of a coil of an intermediate relay J11, the other end of the coil of the intermediate relay J11 is connected with the DC0V line, the part is used for controlling the running of a No. 2 sewage pump, one end of a 16 th pin of the switching value output unit U6 is connected with one end of a coil of an intermediate relay J12, the other end of the coil of the intermediate relay J12 is connected with a DC0V line, the part is used for controlling illumination, one end of the 17 th pin of the switching value output unit U6 is connected with one end of the coil of the intermediate relay J13, the other end of the coil of the intermediate relay J13 is connected with the DC0V line, the part is used for controlling disinfection, one end of the 18 th pin of the switching value output unit U6 is connected with one end of the coil of the intermediate relay J14, the other end of the coil of the intermediate relay J14 is connected with the DC0V line, and the part is used for controlling exhaust air;
the PLC network module further comprises a switching value output unit U7, a first pin 21 and a first pin 31 of the switching value output unit U7 are connected with 1-24V signals, a second pin 30 and a first pin 40 of the switching value output unit U7 are connected with DC0V signals, the part is used for connecting a common terminal of the switching value output unit U7, one end of a first pin 22 of the switching value output unit U7 is connected with one end of an intermediate relay J16 coil, the other end of the intermediate relay J16 coil is connected with a DC0V line, the part is used for controlling 1# reset of a zone 1, one end of the intermediate relay J17 coil is connected with one end of the switching value output unit U7, the other end of the intermediate relay J17 coil is connected with a DC0V line, the part is used for controlling 2# reset of a zone 1, the first pin 24 end of the switching value output unit U7 is connected with one end of an intermediate relay J18 coil, the other end of the intermediate relay J18 coil is connected with a DC0V line, the part is used for controlling 3# reset of a zone 1, the switching value output unit U7 is connected with the other end of the intermediate relay J19, and the other end of the intermediate relay J18 coil is connected with the intermediate relay 19: 1# control that resets, the 27 th foot one end of switching value output unit U7 is connected with the one end of intermediate relay J20 coil, and DC0V line is connected to the other end of intermediate relay J20 coil, and this part is used for 2 district: 2# control that resets, the 28 th foot one end of switching value output unit U7 is connected with the one end of intermediate relay J21 coil, and DC0V line is connected to the other end of intermediate relay J21 coil, and this part is used for 2 district: 3# reset control;
The PLC network module further comprises a switching value output unit U8, the 1 st pin and the 11 th pin of the switching value output unit U8 are connected with 1-24V signals, the 10 th pin and the 20 th pin of the switching value output unit U7 are connected with DC0V signals, the part is used for connecting a public end of the switching value output unit U8, one end of the 2 nd pin of the switching value output unit U8 is connected with one end of a J22 coil of an intermediate relay, the other end of the J22 coil of the intermediate relay is connected with a DC0V line, and the part is used for a 2 region: 1# of the switching value output unit U8, wherein one end of the 3 rd pin of the switching value output unit U8 is connected with one end of a coil of the intermediate relay J23, the other end of the coil of the intermediate relay J23 is connected with a DC0V line, and the part is used for the zone 2: 2# of the switching value output unit U8, wherein one end of the 4 th pin of the switching value output unit U8 is connected with one end of a coil of the intermediate relay J24, the other end of the coil of the intermediate relay J24 is connected with a DC0V line, and the part is used for the zone 2: and 3# operation control, wherein one end of a 16 th pin of the switching value output unit U8 is connected with one end of a coil of the intermediate relay J25, the other end of the coil of the intermediate relay J25 is connected with a DC0V line, and the part is used for controlling the operation of the peak regulating pump.
2. A method for realizing a system of a non-negative pressure water supply intelligent water station is characterized in that: the implementation method is applied to the system of the intelligent water station for non-negative pressure water supply according to claim 1, and comprises the following steps:
The working procedure starts in step S100, and the procedure starts and step S101 is executed;
step S101, powering up a system; step S102 is executed;
step S102, the control system judges whether each communication is normal, if so, step S104 and step S105 are executed; if not, executing step S103;
step S103, processing an alarm signal; the program jumps to the program start S102;
step S104, starting a No. 1 water pump motor in the area 1;
step S105, starting a No. 1 water pump motor in the area 2; step S106 is executed;
step S106, the control system judges whether the water supply pressure of the zone 1 and the water supply pressure of the zone 2 are normal; if yes, go to step S108; if not, go to step S107;
step S107, the control system starts a pump adding or subtracting program; the program jumps to the program start S102;
step S108, the control system judges whether the liquid level of the water pit is normal; if yes, go to step S110; if not, go to step S109;
step S109, the control system starts a sewage pump program; the program jumps to the program start S102;
step S110, the control system judges whether the door access and window signals are normal; if yes, go to step S112; if not, executing step S111;
step S111, the control system starts an alarm program and uploads a network or a mobile phone; the program jumps to the program start S102;
Step S112, the control system judges whether the fire alarm signal is normal; if yes, the program jumps to the program start S102; if not, executing step S113;
step S113, the control system starts a fire alarm program and uploads the fire alarm program to a network or a mobile phone; the program jumps to the program start S102; this is repeated.
CN202210650688.2A 2022-06-09 2022-06-09 Negative pressure-free water supply intelligent water station system and implementation method thereof Active CN114922253B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3422122A1 (en) * 2017-06-29 2019-01-02 Grundfos Holding A/S Model formation module for creating a model for controlling a pressure regulating system of a water supply network
EP3588234A1 (en) * 2018-06-21 2020-01-01 Grundfos Holding A/S Control system and method for controlling a water supply from at least two separate input lines into a sector of a water supply network
CN112343121A (en) * 2020-10-26 2021-02-09 上海海澄水务科技集团有限公司 Intelligent integrated water supply equipment
CN212866163U (en) * 2020-06-03 2021-04-02 周远光 Intelligent constant-pressure water supply control cabinet and secondary water supply system
CN114045904A (en) * 2021-12-01 2022-02-15 刘怀强 Intelligent water quality remote monitoring system for secondary water supply and application method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3422122A1 (en) * 2017-06-29 2019-01-02 Grundfos Holding A/S Model formation module for creating a model for controlling a pressure regulating system of a water supply network
EP3588234A1 (en) * 2018-06-21 2020-01-01 Grundfos Holding A/S Control system and method for controlling a water supply from at least two separate input lines into a sector of a water supply network
CN212866163U (en) * 2020-06-03 2021-04-02 周远光 Intelligent constant-pressure water supply control cabinet and secondary water supply system
CN112343121A (en) * 2020-10-26 2021-02-09 上海海澄水务科技集团有限公司 Intelligent integrated water supply equipment
CN114045904A (en) * 2021-12-01 2022-02-15 刘怀强 Intelligent water quality remote monitoring system for secondary water supply and application method

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