CN111519705A - Full-automatic uninterrupted safe and intelligent water supply system - Google Patents
Full-automatic uninterrupted safe and intelligent water supply system Download PDFInfo
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- CN111519705A CN111519705A CN202010471679.8A CN202010471679A CN111519705A CN 111519705 A CN111519705 A CN 111519705A CN 202010471679 A CN202010471679 A CN 202010471679A CN 111519705 A CN111519705 A CN 111519705A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 484
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 238000012545 processing Methods 0.000 claims description 37
- 238000012544 monitoring process Methods 0.000 claims description 33
- 230000005059 dormancy Effects 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 10
- 238000012937 correction Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000005265 energy consumption Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000004069 differentiation Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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
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- 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
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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
- E03B7/075—Arrangement of devices for control of pressure or flow rate
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The invention discloses a full-automatic uninterrupted safe intelligent water supply system, which comprises a remote control center, a dual-power control cabinet, pressure transmitters, a municipal pipe network, a water outlet pipeline, an electric valve, a water tank, liquid level transmitters, water pump components, an indicator lamp, a touch screen, an alarm and a water inlet pipeline, wherein the electric control cabinet is wirelessly connected with the remote control center, the indicator lamp is arranged at the front side of the electric control cabinet, the touch screen is arranged at one side of a switch, the alarm is arranged at the upper side of the touch screen, the dual-power control cabinet is electrically connected with the electric control cabinet, the electric control cabinet is electrically connected with the water tank, the liquid level transmitters are arranged on the inner wall of the water tank, the water tank is connected with the water inlet pipeline, the water pump components are arranged in the water tank, the water outlet pipeline is connected with, the invention has reasonable structure, full-automatic uninterrupted safe and intelligent water supply and long service life of the intelligent water supply system.
Description
Technical Field
The invention belongs to the technical field of intelligent control, relates to an intelligent water supply system, and particularly relates to a full-automatic uninterrupted safe intelligent water supply system.
Background
The intelligent water supply system senses the running state of the urban water supply and drainage system in real time through an on-line monitoring device such as a data acquisition instrument, a wireless network and a water quality and pressure meter, organically integrates a water affair management department and water supply and drainage facilities in a visual mode to form an urban water affair Internet of things, can analyze and process massive water affair information in time, makes a corresponding processing result auxiliary decision suggestion, and manages the whole production, management and service process of the water affair system in a more detailed and dynamic mode, so that the intelligent state is achieved.
The intelligent water supply system is disclosed as CN 205636912U, the controller controls the rotating speed of the water pump according to the water flow signal in the water inlet pipeline collected by the current sensor, so that the rotating speed of the water pump can be adjusted according to the water flow of the water faucet, the service efficiency of the water pump can be ensured, and the consumption speed of the water pump can be delayed; a pressure sensor is added, when the water tap is closed, the water inlet pipeline reaches a certain threshold value, and the system can automatically close the water pump; whether the water in the water inlet pipeline is lack of water can be judged by combining the pressure sensor and the water flow sensor, and the water lack judgment is provided for a user;
however, the intelligent water supply system only acquires information through the pressure sensor and the current sensor, and adjusts the rotating speed of the water pump according to the water flow, so that the functions of water pump pressurization, water pump automatic switching, water pump automatic dormancy, water level protection, overpressure protection, water pump fault protection, water pump parameter correction, municipal pressure protection, water leakage detection, alarm detection, remote monitoring and the like of the intelligent water supply system cannot be realized;
meanwhile, along with the development of the times, floors are continuously increased, secondary pressurized water supply equipment is more and more important, at present, some problems of water cut-off or insufficient water supply and the like exist in secondary pressurized water supply equipment used in the market, how to achieve uninterrupted water supply is an urgent desire of residents, and the problem is urgently needed to be solved by various manufacturers.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a full-automatic uninterrupted safe and intelligent water supply system.
The technical problem to be solved by the invention is as follows:
(1) the intelligent water supply system has the functions of water pump pressurization, automatic water pump switching, automatic water pump dormancy, water level protection, overpressure protection, water pump fault protection, water pump parameter correction, municipal pressure protection, water leakage detection, alarm detection, remote monitoring and the like;
(2) how to realize the green energy conservation of the intelligent water supply system according to the real-time water supply pressure of the water supply system, how to avoid the damage of a water pump assembly, a sensing assembly and the like, and how to prolong the service life of the intelligent water supply system;
(3) how to solve the problem that secondary pressurized water supply equipment in the market cuts off water or supplies water insufficiently, how to accomplish the incessant water supply of resident's life.
The purpose of the invention can be realized by the following technical scheme:
a full-automatic uninterrupted safe and intelligent water supply system comprises a remote control center, a dual-power control cabinet, an electric control cabinet, a pressure transmitter, a municipal pipe network, a water outlet pipeline, an electric valve, a water tank, a liquid level transmitter, a water pump assembly, an indicator lamp, a switch, a touch screen, an alarm and a water inlet pipeline, wherein the electric control cabinet is wirelessly connected with the remote control center and comprises a central processing module, a manual starting module and a functional module, the manual starting module, the functional module and the central processing module are all installed inside the electric control cabinet, the input end of the functional module is connected with the output end of the central processing module, and the output end of the manual starting module is connected with the input end of the;
an indicator lamp is installed on the front side of the electric control cabinet, a switch is installed on one side of the indicator lamp, a touch screen is installed on one side of the switch, an alarm is installed on the upper side of the touch screen, the electric control cabinet is electrically connected with a dual-power control cabinet, the dual-power control cabinet comprises an input power supply, an output power supply, a main power supply and a standby power supply, the main power supply and the standby power supply are installed inside the dual-power control cabinet, one path of the input power supply is connected with the main power supply, the other path of the input power supply is connected with the standby power supply, the output power supply is externally connected with the input power supply of the electric control cabinet, the electric control cabinet is electrically connected with a water tank, a plurality of liquid level transmitters are installed on the inner wall of the water tank, the water tank is connected with a water, all install the motorised valve on outlet conduit and the inlet channel, the inlet channel is connected with municipal pipe network, installs the motorised valve on the connecting pipe of stationary flow compensator jar and water tank.
Further, a drain pipe is installed on the steady flow compensator tank, and a drain valve is installed on the drain pipe.
Furthermore, a flowmeter is installed on the water outlet pipeline.
Further, a filter is installed on the water inlet pipeline.
Further, water pump assembly includes a plurality of inverter pumps, a plurality of power frequency pump and a plurality of booster pump, water pump assembly is connected with automatically controlled cabinet electricity, and a plurality of inverter pumps, a plurality of power frequency pump and a plurality of booster pump are all installed inside the water tank, and a plurality of inverter pumps, a plurality of power frequency pump and a plurality of booster pump all are connected with municipal pipe network through the inlet channel.
Further, a plurality of liquid level transmitter and a plurality of pressure transmitter constitute information monitoring feedback module, information monitoring feedback module output is connected with manual start module input, information monitoring feedback module output is connected with central processing module input, central processing module includes PLC, analog input module, PID control module and analog output module, and PLC, analog input module and analog output module all set up inside automatically controlled cabinet, analog input module input is connected with information monitoring feedback module output, analog input module output is connected with PID control module input, PID control module output is connected with analog output module input, analog output module output is connected with function module input.
Furthermore, the manual starting module is used for manually starting equipment during automatic operation failure, the manual starting module is installed at the upper left side in the electric control cabinet and is an independent manual circuit and an overpressure protection system, the manual starting module is not limited by the central control module, the manual starting module has operation permission when the central control module works automatically and manually, the manual starting module and the central control module have the same priority level in automatic and manual modes, the manual starting module is not limited by a conversion circuit and only limited by priority starting, and when any one pump is started, the principle of first priority starting is followed.
Furthermore, the function module comprises an automatic circulation pressurization unit, an automatic pump changing unit, an automatic dormancy unit, an automatic water level protection unit, an automatic pump stopping protection unit, an automatic overpressure protection unit, a sensor protection unit, a pump locking unit, a correction unit, a PID (proportion integration differentiation) regulation unit, a municipal pressure protection unit, an external network water leakage detection unit, a water and electricity meter communication unit, an alarm information inquiry unit, a data curve inquiry unit, a dual-power protection unit and a remote monitoring unit;
the automatic circulating pressurization unit is used for controlling the system to supply stable water pressure, when the frequency of any pump reaches the set frequency and the water supply pressure is insufficient, the power frequency operation is switched, the next pump is automatically started to perform variable frequency operation, and the rest is done in sequence until the water supply pressure reaches the target pressure; when the water supply pressure exceeds the target pressure and the frequency of the current variable-frequency operation pump is reduced to a set value, the water supply pressure still exceeds, the operation is executed when a power frequency pump operates, if no power frequency pump operates, the frequency of the current variable-frequency pump is continuously reduced until the water supply pressure is normal, and the power frequency pumps are sequentially stopped according to the principle that the water pumps which work at the first power frequency stop first until the water supply pressure is normal;
the automatic pump changing unit is used for recycling the pumps, and when only one pump in the system runs, the running time of the pump reaches a set value, the pump is automatically switched to the next pump to run;
the automatic dormancy unit is used for saving energy and reducing pump running time, when only one pump in the system runs, the water supply pressure of the pump reaches the target pressure and the frequency is smaller than a set value, the set value is dormancy frequency, the dormancy function is started, the pressure is raised to a certain set value slightly higher than the target pressure before dormancy, the set value is dormancy pressure, when the water supply pressure is lower than the certain set value of the target pressure, the water pump runs again, and the set value is awakening pressure;
the automatic water level protection unit is used for controlling the water level in the water tank and protecting the water pump, a liquid level transmitter is arranged in the system for collecting water tank water level information and controlling the water level of the water tank by an electric valve, four water level control parameters including a pump stop water level a, a water pump assembly starting water level b, a valve opening water level c and a valve closing water level d are arranged, and a < c < b < d; when the liquid level of the water tank is less than a, the system shuts down the water pump assembly, when the liquid level of the water tank is more than b, the system starts up the electric valve to replenish water in time, when the liquid level of the water tank is less than c, and when the liquid level of the water tank is more than d, the system shuts down the electric valve on the water outlet pipeline;
the automatic pump stopping protection unit is used for protecting municipal pressure and a water pump, a municipal pressure transmitter is arranged in the system for acquiring municipal pressure information and setting two pressure control parameters, and pump stopping pressure e and starting pressure f are smaller than f; when the municipal pressure is less than e, the system shuts down the water pump assembly, and when the municipal pressure is more than f, the system starts up the water pump assembly;
the automatic overpressure protection unit is used for protecting a water supply inlet pipeline, when the water supply pressure is higher than a certain set value of a target pressure or higher than an upper limit value set by the electric contact, the limit protection pressure is set, the system can automatically stop to protect the inlet pipeline from being damaged, and when the water supply pressure is lower than the target pressure, the system operates again;
the sensor protection unit is used for detecting the state of the sensor, detecting whether the sensor works normally in real time, and giving an alarm when the sensor works abnormally;
the pump locking unit is used for locking the fault pump, and locking the fault pump to enable the fault pump not to participate in system operation;
the correction module unit is used for correcting each detection quantity, and correcting when pressure or water level data acquired by the PLC do not accord with actual data, so that insufficient water supply or damage to a water inlet pipeline and a water pump by a user can be effectively avoided;
the PID adjusting unit is used for adjusting PID parameters, the system has a PID adjusting function, and the PID parameters can be adjusted according to actual conditions, so that the water supply pressure of the system is stable;
the municipal pressure protection unit is used for protecting a municipal pipe network, automatically switching the water tank to work when municipal water pressure is protected, starting the power frequency of the booster pump, and automatically closing the booster pump to convert and laminate water supply when the municipal pressure is normal; the system has the advantages that the system has the function of starting the water supply of the water tank at regular time, when the set time is finished, the automatic conversion to the pressure-superposed water supply is realized, the water supply of the water tank and the pressure-superposed water supply adopt the interlocking control function of an electric valve, and the functions of pressure-superposed control, water tank control and double-protection control can be realized respectively;
the external network water leakage detection unit is used for detecting water leakage of a water inlet pipeline, when municipal pressure or water tank water level is normal and the system operates normally, and water supply pressure is kept far lower than target pressure for a long time, the external network water leakage can be judged, and the system stops and gives an alarm for prompting;
the water ammeter communication unit is used for communicating the water ammeter with the CPU, the system is communicated with the water ammeter through RS485, and the energy consumption information of the system can be calculated through the CPU;
the alarm information query unit is used for displaying and querying alarm information, and when the system gives an alarm, the monitoring picture prompts the alarm information and stores alarm items;
the data curve query unit is used for querying a data curve, and the system can record data information in real time and generate a corresponding curve graph;
the dual-power protection unit is used for ensuring normal power supply, the system is provided with two paths of power supplies, and when a main power supply is damaged, a standby power supply is automatically switched;
the remote monitoring unit is used for remote monitoring and control of the equipment, and the system is connected with the remote monitoring center through the Ethernet to carry out remote data transmission, monitoring and operation on the equipment.
Compared with the prior art, the invention has the beneficial effects that:
1. the electric control cabinet receives a pressure signal from the pressure transmitter through the analog input module and converts the pressure signal into a pressure value, the PID control module converts the pressure signal into a frequency signal and then feeds back the frequency signal through the analog output module, the automatic circulating pressurization unit and the automatic overpressure protection unit in the central processing module control function module detect the water supply pressure of the intelligent water supply system to realize the automatic circulating pressurization and overpressure protection of the intelligent water supply system, the municipal pressure protection unit in the central processing module control function module detects the water supply pressure of the municipal pipe network in the intelligent water supply system to realize the functions of pressure-superposed control, water tank control and double-protection control to protect the municipal pipe network, the automatic dormancy unit in the central processing module control function module detects the water supply pressure in the intelligent water supply system, and the working quantity of the water pump assembly is determined according to the water supply pressure of the intelligent water supply system, energy conservation and emission reduction are realized, the water supply pressure in an intelligent water supply system is detected through an automatic pump stopping protection unit in a central processing module control function module, the intelligent opening and closing of a water pump assembly are realized through set pressure control parameters, namely pump stopping pressure e and starting pressure f, wherein e is less than f, the water supply pressure is kept to be far less than target pressure within a long time through an external network water leakage detection unit in the central processing module control function module, whether water leaks from a pipeline in the intelligent water supply system is judged, when municipal pressure or water tank water level is normal and the system is in normal operation, the water supply pressure is kept to be far less than the target pressure within a long time, the intelligent water supply system stops working and gives an alarm, the intelligent water supply system further comprises the functions of non-negative-pressure water supply and water tank water supply, can be used singly or in a mixed mode, and can be switched to water supply from the water tank, when the municipal pressure is recovered, the system can be switched to non-negative pressure water supply, and the system also has the function of starting the water tank to supply water at regular time in the morning, noon and evening peaks, so that the municipal pipe network is prevented from being influenced when the peak water is used;
2. receiving a liquid level signal from a liquid level transmitter through an analog quantity input module, converting the liquid level signal into a liquid level value, converting the liquid level signal into a frequency signal through a PID control module, feeding back the frequency signal through an analog quantity output module, detecting the water level of a water tank in an intelligent water supply system through an automatic water level protection unit and an automatic overpressure protection unit in a central processing module control function module, setting four water level control parameters, stopping a pump water level a, starting a water pump assembly water level b, opening a water level c and closing a valve water level d, wherein a < c < b < d, and intelligently controlling the work of an electric valve and a water pump assembly according to the four water level control parameters, and intelligently controlling the water level in the water tank and avoiding air pumping to damage the water pump assembly;
3. the working time of the water pump assembly in the intelligent water supply system is detected by the automatic pump-changing unit in the central processing module control function module, when a certain water pump in the water pump assembly reaches the preset running time, the next pump can be automatically switched to run, the damage caused by long-time working of a single water pump is avoided, and the service life of accessories of the intelligent water supply system is effectively prolonged, the state of a sensing assembly in the intelligent water supply system is detected in real time by the sensor protection unit in the central processing module control function module, whether the sensing assembly works normally or not is detected in real time, if the sensing assembly works abnormally, the sensing assembly gives a fault alarm through the alarm, the pressure detection and liquid level detection of the intelligent water supply system caused by the damage of the sensing assembly are avoided to be inaccurate, and the state of the water pump assembly in the intelligent water supply system is detected in real time by the pump-locking unit in the, locking a water pump with a fault in a water pump assembly to enable the water pump not to participate in the operation of an intelligent water supply system, avoiding the intelligent water supply system from being damaged more, and facilitating the maintenance of the water pump;
4. the remote monitoring unit shares the data information in the PLC to the remote control center through network exchange, the remote control center controls some operations of the equipment through modifying the data information, the alarm information inquiry module in the function module is controlled through the central processing module, when the intelligent water supply system gives an alarm, the monitoring picture can prompt alarm information and store alarm items, thereby facilitating the inquiry, through the use of the water and electricity meter communication module, the intelligent water supply system is in communication connection with the water and electricity meter through RS485, the CPU calculates the energy consumption information of the intelligent water supply system, by using the data curve query module, the data information can be recorded in real time and a corresponding curve graph can be generated, and displayed by a touch screen, and the intelligent water supply system has a PID adjusting function by using a PID adjusting unit, the PID parameters can be adjusted according to actual conditions, so that the water supply pressure of the intelligent water supply system is kept stable;
5. the manual starting module is arranged in the electric control cabinet and is an independent manual circuit and an overpressure protection system, the manual starting module is not limited by the central control module, the manual starting module has operation authority at any time, the manual starting module and the central control module have the same priority level in automatic and manual modes, are not limited by a conversion circuit and only have priority starting limitation, any pump in the water pump assembly can be started at any time and any place, and the principle of starting first and priority first is followed.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of a fully automatic uninterrupted safe and intelligent water supply system according to the present invention;
FIG. 2 is a system block diagram of a fully automatic uninterrupted safe intelligent water supply system according to the present invention;
FIG. 3 is a system block diagram of a central processing module in a fully automatic uninterrupted safe and intelligent water supply system according to the present invention;
FIG. 4 is a system diagram of functional modules in a fully automatic uninterrupted safe and intelligent water supply system according to the present invention;
in the figure: 1. a remote control center; 2. a dual power supply control cabinet; 3. an electric control cabinet; 4. a pressure transmitter; 5. municipal pipe networks; 6. a water outlet pipeline; 7. an electrically operated valve; 8. a water tank; 9. a liquid level transmitter; 10. a water pump assembly; 11. an indicator light; 12. a switch; 13. a touch screen; 14. an alarm; 15. a water inlet pipe; 16. a flow-stabilizing compensator tank; 17. a blow-off pipe; 18. a flow meter; 19. and (3) a filter.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, a full-automatic uninterrupted safe and intelligent water supply system comprises a remote control center 1, a dual power supply control cabinet 2, an electric control cabinet 3, a pressure transmitter 4, a municipal pipe network 5, a water outlet pipeline 6, an electric valve 7, a water tank 8, a liquid level transmitter 9, a water pump assembly 10, an indicator light 11, a switch 12, a touch screen 13, an alarm 14 and a water inlet pipeline 15, wherein the electric control cabinet 3 is wirelessly connected with the remote control center 1, the electric control cabinet 3 comprises a central processing module, a manual starting module and a functional module, the manual starting module, the functional module and the central processing module are all installed inside the electric control cabinet 3, the input end of the functional module is connected with the output end of the central processing module, and the output end of the manual starting;
an indicator light 11 is arranged on the front side of an electric control cabinet 3, a switch 12 is arranged on one side of the indicator light 11, a touch screen 13 is arranged on one side of the switch 12, an alarm 14 is arranged on the upper side of the touch screen 13, the electric control cabinet 3 is electrically connected with a dual-power control cabinet 2, the dual-power control cabinet 2 comprises an input power supply, an output power supply, a main power supply and a standby power supply, the main power supply and the standby power supply are both arranged inside the dual-power control cabinet 2, one path of the input power supply is connected with the main power supply, the other path of the input power supply is connected with the standby power supply, the output power supply is externally connected with the input power supply of the electric control cabinet 3, the electric control cabinet 3 is electrically connected with a water tank 8, a plurality of liquid level transmitters 9 are arranged on the inner wall of the water tank 8, the water tank, all install motorised valve 7 on outlet conduit 6 and the inlet channel 15, inlet channel 15 is connected with municipal pipe network 5, installs motorised valve 7 on the connecting pipe of stationary flow compensator jar 16 and water tank 8.
Wherein, a blow-off pipe 17 is arranged on the steady flow compensator tank 16, and a blow-off valve is arranged on the blow-off pipe 17.
Wherein the outlet conduit 6 is provided with a flow meter 18.
Wherein, a filter 19 is arranged on the water inlet pipe 15.
Wherein, water pump assembly 10 includes a plurality of inverter pumps, a plurality of power frequency pumps and a plurality of booster pump, and water pump assembly 10 is connected with 3 electricity of automatically controlled cabinet, and a plurality of inverter pumps, a plurality of power frequency pumps and a plurality of booster pump are all installed inside 8 water tanks, and a plurality of inverter pumps, a plurality of power frequency pumps and a plurality of booster pump all are connected with municipal pipe network 5 through inlet channel 15.
Wherein, a plurality of liquid level transmitter 9 and a plurality of pressure transmitter 4 constitute information monitoring feedback module, information monitoring feedback module output is connected with manual start module input, information monitoring feedback module output is connected with central processing module input, central processing module includes PLC, analog quantity input module, PID control module and analog quantity output module, PLC, analog quantity input module and analog quantity output module all set up inside automatically controlled cabinet 3, analog quantity input module input is connected with information monitoring feedback module output, analog quantity input module output is connected with PID control module input, PID control module output is connected with analog quantity output module input, analog quantity output module output is connected with function module input.
The manual starting module is used for manually starting equipment in the automatic operation fault, the manual starting module is installed on the upper left side in the electric control cabinet and is an independent manual circuit and an overpressure protection system, the manual starting module is not limited by the central control module, the manual starting module has operation permission when the central control module, the manual starting module and the central control module are in automatic and manual operation, the manual starting module and the automatic and manual modes have the same priority level and are not limited by a conversion circuit, only the prior starting limitation exists, and when any pump is started, the prior starting priority principle is followed.
The functional module comprises an automatic circulating pressurization unit, an automatic pump changing unit, an automatic dormancy unit, an automatic water level protection unit, an automatic pump stopping protection unit, an automatic overpressure protection unit, a sensor protection unit, a pump locking unit, a correction unit, a PID (proportion integration differentiation) regulation unit, a municipal pressure protection unit, an external network water leakage detection unit, a water and electricity meter communication unit, an alarm information query unit, a data curve query unit, a dual-power protection unit and a remote monitoring unit;
the automatic circulating pressurization unit is used for controlling the stability of the water supply pressure of the system, when the frequency of any pump reaches the set frequency and the water supply pressure is insufficient, the power frequency operation is switched, the next pump is automatically started to perform variable frequency operation, and the like is performed until the water supply pressure reaches the target pressure; when the water supply pressure exceeds the target pressure and the frequency of the current variable-frequency operation pump is reduced to a set value, the water supply pressure still exceeds, the operation is executed when a power frequency pump operates, if no power frequency pump operates, the frequency of the current variable-frequency pump is continuously reduced until the water supply pressure is normal, and the power frequency pumps are sequentially stopped according to the principle that the water pumps which work at the first power frequency stop first until the water supply pressure is normal;
the automatic pump changing unit is used for recycling the pumps, and when only one pump in the system runs, the running time of the pump reaches a set value, the pump is automatically switched to the next pump to run;
the automatic dormancy unit is used for saving energy and reducing pump running time, when only one pump in the system runs, the water supply pressure of the pump reaches the target pressure and the frequency is smaller than a set value, the set value is dormancy frequency, the dormancy function is started, the pressure is increased to a certain set value slightly higher than the target pressure before dormancy, the set value is dormancy pressure, when the water supply pressure is lower than the certain set value of the target pressure, the water pump runs again, and the set value is awakening pressure;
the automatic water level protection unit is used for controlling the water level in the water tank 8 and protecting a water pump, a liquid level transmitter 9 in the system collects water level information of the water tank 8 and the water level of the water tank 8 is controlled by an electric valve 7, four water level control parameters including a pump stopping water level a, a water level b of a starting water pump assembly 10, a valve opening water level c and a valve closing water level d are arranged, and a < c < b < d; when the liquid level of the water tank 8 is less than a, the system shuts down the water pump assembly 10, when the liquid level of the water tank 8 is greater than b, the system starts the electric valve 7 to replenish water in time, when the liquid level of the water tank 8 is less than c, and when the liquid level of the water tank 8 is greater than d, the system shuts down the electric valve 7 on the water outlet pipeline 6;
the automatic pump stopping protection unit is used for protecting municipal pressure and a water pump, a municipal pressure transmitter 4 in the system collects municipal pressure information and is provided with two pressure control parameters, pump stopping pressure e and starting pressure f, and e is less than f; when the municipal pressure is less than e, the system shuts off the water pump assembly 10, and when the municipal pressure is greater than f, the system starts up the water pump assembly 10;
the automatic overpressure protection unit is used for protecting the water supply inlet pipeline 15, when the water supply pressure is higher than a certain set value of the target pressure or higher than an upper limit value set by the electric contact, the limit protection pressure is set, the system can automatically stop to protect the water inlet pipeline 15 from being damaged, and when the water supply pressure is lower than the target pressure, the system operates again;
the sensor protection unit is used for detecting the state of the sensor, detecting whether the sensor works normally in real time, and giving an alarm when the sensor works abnormally;
the pump locking unit is used for locking the fault pump, and locking the fault pump to enable the fault pump not to participate in system operation;
the correction module unit is used for correcting each detection quantity, and can correct when pressure or water level data acquired by the PLC do not accord with actual data, so that insufficient water supply of a user or damage to the water inlet pipeline 15 and the water pump can be effectively avoided;
the PID adjusting unit is used for adjusting PID parameters, the system has a PID adjusting function, and the PID parameters can be adjusted according to actual conditions, so that the water supply pressure of the system is stable;
the municipal pressure protection unit is used for protecting a municipal pipe network 5, automatically switching the water tank 8 to work when municipal water pressure is protected, starting the power frequency of the booster pump, and automatically closing the booster pump to convert and laminate water supply when the municipal pressure is normal; the system has the advantages that the system has the function of starting the water supply of the water tank 8 at regular time, when the set time is finished, automatic conversion to the pressure-superposed water supply is realized, the water supply of the water tank 8 and the pressure-superposed water supply adopt the interlocking control function of the electric valve 7, and the functions of pressure-superposed control, water tank 8 control and double-protection control can be realized respectively;
the external network water leakage detection unit is used for detecting water leakage of the water inlet pipeline 15, when municipal pressure or water level of the water tank 8 is normal and the system operates normally, and water supply pressure is kept far less than target pressure for a long time, the external network water leakage can be judged, and the system stops and gives an alarm for prompting;
the water ammeter communication unit is used for communicating the water ammeter with the CPU, the system is communicated with the water ammeter through RS485, and the energy consumption information of the system can be calculated through the CPU;
the alarm information query unit is used for displaying and querying alarm information, and when the system gives an alarm, the monitoring picture prompts the alarm information and stores alarm items;
the data curve query unit is used for querying a data curve, and the system can record data information in real time and generate a corresponding curve graph;
the dual-power protection unit is used for ensuring normal power supply, the system is provided with two paths of power supplies, and when a main power supply is damaged, a standby power supply is automatically switched;
the remote monitoring unit is used for remote monitoring and control of the equipment, and the system is connected with the remote monitoring center through the Ethernet to carry out remote data transmission, monitoring and operation on the equipment.
A full-automatic uninterrupted safe intelligent water supply system, when working, an electric control cabinet 3 receives a pressure signal from a pressure transmitter 4 through an analog input module and converts the pressure signal into a pressure value, a PID control module converts the pressure signal into a frequency signal and feeds back the frequency signal through an analog output module, the water supply pressure of the intelligent water supply system is detected through an automatic circulating pressurization unit and an automatic overpressure protection unit in a central processing module control function module, the automatic circulating pressurization and overpressure protection of the intelligent water supply system are realized, the water supply pressure of a municipal pipe network 5 in the intelligent water supply system is detected through a municipal pressure protection unit in the central processing module control function module, the functions of pressure-superposed control, water tank 8 control and double-protection control are realized, the municipal pipe network 5 is protected, the water supply pressure in the intelligent water supply system is detected through an automatic dormancy unit in the central processing module control function module, the working quantity of the water pump assembly 10 is determined according to the water supply pressure of an intelligent water supply system, energy conservation and emission reduction are realized, the water supply pressure in the intelligent water supply system is detected through an automatic pump stopping protection unit in a central processing module control function module, intelligent opening and closing of the water pump assembly 10 are realized through set pressure control parameters, namely pump stopping pressure e and starting pressure f, wherein e is less than f, whether water leaks from a pipeline in the intelligent water supply system is detected through an external network water leakage detection unit in the central processing module control function module, when municipal pressure or water tank 8 water level is normal and the system is running normally, water supply pressure is kept far less than target pressure within a long time, external network water leakage can be judged, the intelligent water supply system is stopped and is alarmed through an alarm 14, the intelligent water supply system also comprises the functions of non-negative-pressure water supply and water tank water supply, and can be used singly or in a mixed way, when the municipal pressure is low, the system can be switched to water tank water supply, and when the municipal pressure is recovered, the system can be switched to non-negative pressure water supply, and the system also has the function of starting the water tank water supply at regular time in the morning, noon and evening peaks, so that the municipal pipe network is prevented from being influenced when the peaks are used;
receiving a liquid level signal from a liquid level transmitter 9 through an analog quantity input module, converting the liquid level signal into a liquid level value, converting the liquid level signal into a frequency signal through a PID control module, feeding back the frequency signal through an analog quantity output module, detecting the water level of a water tank 8 in an intelligent water supply system through an automatic water level protection unit and an automatic overpressure protection unit in a central processing module control function module, setting four water level control parameters, stopping a pump water level, starting a water pump assembly 10, a valve opening water level c and a valve closing water level d, wherein a is less than b is less than d, and according to the four water level control parameters, intelligently controlling the operation of an electric valve 7 and the water pump assembly 10, intelligently controlling the water level in the water tank 8 and avoiding air pumping to damage the water pump assembly 10;
the working time of the water pump assembly 10 in the intelligent water supply system is detected by the automatic pump-changing unit in the central processing module control function module, when a certain water pump in the water pump assembly 10 reaches the preset running time, the next pump can be automatically switched to run, the damage caused by long-time working of a single water pump is avoided, so that the service life of accessories of the intelligent water supply system is effectively prolonged, the state of a sensing assembly in the intelligent water supply system is detected in real time by the sensor protection unit in the central processing module control function module, whether the sensing assembly works normally or not is detected in real time, if the sensing assembly works abnormally, the sensing assembly gives a fault alarm through the alarm 14, the pressure detection and the liquid level detection of the intelligent water supply system caused by the damage of the sensing assembly are avoided, and the state of the water pump assembly 10 in the intelligent water supply system is detected in real time by the pump-locking unit in the central, locking a water pump with a fault in the water pump assembly 10 to enable the water pump not to participate in the operation of the intelligent water supply system, avoiding the intelligent water supply system from being damaged greatly, facilitating the maintenance of the water pump, detecting pressure data and liquid level data in the intelligent water supply system in real time through a correction unit in a central processing module control function module, correcting the pressure data and the liquid level data when the collected pressure data and the collected water level data are not consistent with actual data, effectively avoiding the problems of insufficient water supply of a user, pipeline damage, water pump assembly 10 damage and the like, protecting a main power supply and a standby power supply inside a dual-power-supply control cabinet 2 in the intelligent water supply system through a dual-power-supply protection unit in the central processing module control function module, and automatically switching the standby power supply when a main power supply is damaged;
the remote monitoring unit shares the data information in the PLC to the remote control center 1 through network exchange, the remote control center 1 controls some operations of the equipment through modifying the data information, the alarm information inquiry module in the function module is controlled through the central processing module, when the intelligent water supply system gives an alarm, the monitoring picture can prompt alarm information and store alarm items, thereby facilitating the inquiry, through the use of the water and electricity meter communication module, the intelligent water supply system is in communication connection with the water and electricity meter through RS485, the CPU calculates the energy consumption information of the intelligent water supply system, by using the data curve query module, the data information can be recorded in real time and a corresponding curve graph can be generated, and displayed through the touch screen 13, and through the use of the PID adjusting unit, the intelligent water supply system has the PID adjusting function, the PID parameters can be adjusted according to actual conditions, so that the water supply pressure of the intelligent water supply system is kept stable;
the manual starting module is arranged in the electric control cabinet 3, the manual starting module is an independent manual circuit and an overpressure protection system, the manual starting module is not limited by the central control module, the manual starting module has operation authority at any time, the manual starting module and the central control module have the same priority level in automatic and manual modes, the manual starting module is not limited by a conversion circuit and only limited by preferential starting, any pump in the water pump assembly 10 can be started at any time and any place, and the principle of starting first and giving priority to first is followed.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. A full-automatic uninterrupted safe intelligent water supply system is characterized by comprising a remote control center (1), a dual-power control cabinet (2), an electric control cabinet (3), a pressure transmitter (4), a municipal pipe network (5), a water outlet pipeline (6), an electric valve (7), a water tank (8), a liquid level transmitter (9), a water pump assembly (10), an indicator light (11), a switch (12), a touch screen (13), an alarm (14), a water inlet pipeline (15) and a steady flow compensator tank (16), wherein the electric control cabinet (3) is wirelessly connected with the remote control center (1), the electric control cabinet (3) comprises a central processing module, a manual starting module and a functional module, the manual starting module, the functional module and the central processing module are all installed inside the electric control cabinet (3), the input end of the functional module is connected with the output end of the central processing module, the output end of the manual starting module is connected with the input end of the functional module;
the intelligent water-saving alarm is characterized in that an indicator lamp (11) is installed on the front side of the electric control cabinet (3), a switch (12) is installed on one side of the indicator lamp (11), a touch screen (13) is installed on one side of the switch (12), an alarm (14) is installed on the upper side of the touch screen (13), the electric control cabinet (3) is electrically connected with a dual-power control cabinet (2), the dual-power control cabinet (2) comprises an input power supply, an output power supply, a main power supply and a standby power supply, the main power supply and the standby power supply are installed inside the dual-power control cabinet (2), one path of the input power supply is connected with the main power supply, the other path of the input power supply is connected with the standby power supply, the output power supply is externally connected with the input power supply of the electric control cabinet (3), the electric control cabinet (3) is electrically connected with a water, intake pipe (15) are connected with stationary flow compensator jar (16), water tank (8) inside is provided with water pump assembly (10), water pump assembly (10) are connected with outlet conduit (6), all install pressure transmitter (4) on outlet conduit (6) and intake pipe (15), all install motorised valve (7) on outlet conduit (6) and intake pipe (15), intake pipe (15) are connected with municipal pipe network (5), install motorised valve (7) on the connecting pipe of stationary flow compensator jar (16) and water tank (8).
2. A fully automatic uninterrupted safe and intelligent water supply system according to claim 1, wherein a blow-off pipe (17) is installed on the steady flow compensator tank (16), and a blow-off valve is installed on the blow-off pipe (17).
3. A fully automatic uninterrupted safe and intelligent water supply system according to claim 1, characterized in that a flow meter (18) is installed on the water outlet pipe (6).
4. A fully automatic, uninterrupted, safe and intelligent water supply system according to claim 1, characterized in that a filter (19) is installed on the water inlet pipe (15).
5. The full-automatic uninterrupted safe intelligent water supply system according to claim 1, wherein the water pump assembly (10) comprises a plurality of variable frequency pumps, a plurality of power frequency pumps and a plurality of booster pumps, the water pump assembly (10) is electrically connected with the electric control cabinet (3), the variable frequency pumps, the power frequency pumps and the booster pumps are all installed inside the water tank (8), and the variable frequency pumps, the power frequency pumps and the booster pumps are all connected with the municipal pipe network (5) through a water inlet pipeline (15).
6. The fully automatic uninterrupted safe intelligent water supply system according to claim 1, wherein a plurality of liquid level transmitters (9) and a plurality of pressure transmitters (4) constitute an information monitoring feedback module, the output end of the information monitoring feedback module is connected with the input end of a manual starting module, the output end of the information monitoring feedback module is connected with the input end of a central processing module, the central processing module comprises a PLC, an analog quantity input module, a PID control module and an analog quantity output module, the PLC, the analog quantity input module and the analog quantity output module are all arranged in the electric control cabinet (3), the input end of the analog quantity input module is connected with the output end of the information monitoring feedback module, the output end of the analog quantity input module is connected with the input end of the PID control module, the output end of the PID control module is connected with the input end of the analog quantity output module, and the output end of the analog quantity output module is connected with the input end of the functional module.
7. A full automatic uninterrupted safe intelligent water supply system according to claim 1, wherein the manual starting module is used for manually starting equipment during automatic operation failure, the manual starting module is installed at the upper left side in the electric control cabinet (3), the manual starting module is an independent manual circuit and an overpressure protection system, the manual starting module is not limited by the central control module, the manual starting module has operation authority during automatic and manual work of the central control module, the manual starting module has the same priority level as the central control module and the automatic and manual modes, is not limited by a conversion circuit, only has priority starting limitation, and when any one pump is started, the priority principle of starting first is followed.
8. The full-automatic uninterrupted safe intelligent water supply system according to claim 1, wherein the functional module comprises an automatic circulating pressurization unit, an automatic pump changing unit, an automatic dormancy unit, an automatic water level protection unit, an automatic pump stopping protection unit, an automatic overpressure protection unit, a sensor protection unit, a pump locking unit, a correction unit, a PID (proportion integration differentiation) regulation unit, a municipal pressure protection unit, an external network water leakage detection unit, a water and electricity meter communication unit, an alarm information query unit, a data curve query unit, a dual-power protection unit and a remote monitoring unit;
the automatic circulating pressurization unit is used for controlling the system to supply stable water pressure, when the frequency of any pump reaches the set frequency and the water supply pressure is insufficient, the power frequency operation is switched, the next pump is automatically started to perform variable frequency operation, and the rest is done in sequence until the water supply pressure reaches the target pressure; when the water supply pressure exceeds the target pressure and the frequency of the current variable-frequency operation pump is reduced to a set value, the water supply pressure still exceeds, the operation is executed when a power frequency pump operates, if no power frequency pump operates, the frequency of the current variable-frequency pump is continuously reduced until the water supply pressure is normal, and the power frequency pumps are sequentially stopped according to the principle that the water pumps which work at the first power frequency stop first until the water supply pressure is normal;
the automatic pump changing unit is used for recycling the pumps, and when only one pump in the system runs, the running time of the pump reaches a set value, the pump is automatically switched to the next pump to run;
the automatic dormancy unit is used for saving energy and reducing pump running time, when only one pump in the system runs, the water supply pressure of the pump reaches the target pressure and the frequency is smaller than a set value, the set value is dormancy frequency, the dormancy function is started, the pressure is raised to a certain set value slightly higher than the target pressure before dormancy, the set value is dormancy pressure, when the water supply pressure is lower than the certain set value of the target pressure, the water pump runs again, and the set value is awakening pressure;
the automatic water level protection unit is used for controlling the water level in the water tank (8) and protecting a water pump, a liquid level transmitter (9) is arranged in the system for acquiring water level information of the water tank (8) and controlling the water level of the water tank (8) by an electric valve (7), four water level control parameters are arranged, namely a pump stopping water level a, a water level b of a starting water pump assembly (10), a valve opening water level c and a valve closing water level d, and a < c < b < d; when the liquid level of the water tank (8) is less than a, the system shuts down the water pump assembly (10), when the liquid level of the water tank (8) is greater than b, the system starts up the electric valve (7) to replenish water in time, when the liquid level of the water tank (8) is less than c, the system shuts down the electric valve (7) on the water outlet pipeline, when the liquid level of the water tank (8) is greater than d;
the automatic pump stopping protection unit is used for protecting municipal pressure and a water pump, a municipal pressure transmitter (4) is arranged in the system for acquiring municipal pressure information and setting two pressure control parameters, and pump stopping pressure e and starting pressure f are smaller than f; the system shuts off the water pump assembly (10) when the municipal pressure is less than e, and starts the water pump assembly (10) when the municipal pressure is greater than f;
the automatic overpressure protection unit is used for protecting the water supply inlet pipeline (15), when the water supply pressure is higher than a certain set value of the target pressure or higher than an upper limit value set by the electric contact, the water supply inlet pipeline is set to be a limit protection pressure, the system can automatically stop to protect the water inlet pipeline (15) from being damaged, and when the water supply pressure is lower than the target pressure, the system operates again;
the sensor protection unit is used for detecting the state of the sensor, detecting whether the sensor works normally in real time, and giving an alarm when the sensor works abnormally;
the pump locking unit is used for locking the fault pump, and locking the fault pump to enable the fault pump not to participate in system operation;
the correction module unit is used for correcting each detection quantity, and can correct when pressure or water level data acquired by the PLC is not consistent with actual data, so that insufficient water supply of a user or damage to a water inlet pipeline (15) and a water pump can be effectively avoided;
the PID adjusting unit is used for adjusting PID parameters, the system has a PID adjusting function, and the PID parameters can be adjusted according to actual conditions, so that the water supply pressure of the system is stable;
the municipal pressure protection unit is used for protecting a municipal pipe network (5), when municipal water pressure is protected, the water tank (8) is automatically switched to work, meanwhile, the booster pump is started at power frequency, and when the municipal pressure is normal, the booster pump is automatically closed to convert the pressure-superposed water supply; the water supply function of the water tank (8) is started at regular time, automatic conversion to pressure-superposed water supply is completed when set time is up, the water supply of the water tank (8) and the pressure-superposed water supply adopt an electric valve (7) interlocking control function, and the pressure-superposed control function, the water tank (8) control function and the double-protection control function can be respectively realized;
the external network water leakage detection unit is used for detecting water leakage of the water inlet pipeline (15), when municipal pressure or water level of the water tank (8) is normal and the system operates normally, and the water supply pressure is kept far less than the target pressure for a long time, the external network water leakage can be judged, and the system is stopped and gives an alarm for prompting;
the water ammeter communication unit is used for communicating the water ammeter with the CPU, the system is communicated with the water ammeter through RS485, and the energy consumption information of the system can be calculated through the CPU;
the alarm information query unit is used for displaying and querying alarm information, and when the system gives an alarm, the monitoring picture prompts the alarm information and stores alarm items;
the data curve query unit is used for querying a data curve, and the system can record data information in real time and generate a corresponding curve graph;
the dual-power protection unit is used for ensuring normal power supply, the system is provided with two paths of power supplies, and when a main power supply is damaged, a standby power supply is automatically switched;
the remote monitoring unit is used for remote monitoring and control of the equipment, and the system is connected with the remote monitoring center through the Ethernet to carry out remote data transmission, monitoring and operation on the equipment.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112485391A (en) * | 2020-10-27 | 2021-03-12 | 海南聚能科技创新研究院有限公司 | Community drinking water quality monitoring equipment |
| CN113460228A (en) * | 2021-07-21 | 2021-10-01 | 上海外高桥造船有限公司 | Marine energy-saving water supply system and mail steamer comprising same |
| CN114449373A (en) * | 2022-01-14 | 2022-05-06 | 河南卓正电子科技有限公司 | Wisdom water affairs system based on thing networking wireless transmission |
| CN114521512A (en) * | 2022-02-21 | 2022-05-24 | 赣州尚行科技有限公司 | Intelligent livestock and poultry waterline control system based on bus communication |
| CN116107200A (en) * | 2023-02-27 | 2023-05-12 | 重庆成峰水务工程有限责任公司 | Secondary water supply control system based on fuzzy PID algorithm |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112485391A (en) * | 2020-10-27 | 2021-03-12 | 海南聚能科技创新研究院有限公司 | Community drinking water quality monitoring equipment |
| CN113460228A (en) * | 2021-07-21 | 2021-10-01 | 上海外高桥造船有限公司 | Marine energy-saving water supply system and mail steamer comprising same |
| CN114449373A (en) * | 2022-01-14 | 2022-05-06 | 河南卓正电子科技有限公司 | Wisdom water affairs system based on thing networking wireless transmission |
| CN114449373B (en) * | 2022-01-14 | 2023-06-20 | 河南卓正电子科技有限公司 | Intelligent water service system based on wireless transmission of Internet of things |
| CN114521512A (en) * | 2022-02-21 | 2022-05-24 | 赣州尚行科技有限公司 | Intelligent livestock and poultry waterline control system based on bus communication |
| CN116107200A (en) * | 2023-02-27 | 2023-05-12 | 重庆成峰水务工程有限责任公司 | Secondary water supply control system based on fuzzy PID algorithm |
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