CN105064453A - Fault diagnosis method for water recycling control system - Google Patents
Fault diagnosis method for water recycling control system Download PDFInfo
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- CN105064453A CN105064453A CN201510492219.2A CN201510492219A CN105064453A CN 105064453 A CN105064453 A CN 105064453A CN 201510492219 A CN201510492219 A CN 201510492219A CN 105064453 A CN105064453 A CN 105064453A
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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
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Abstract
The invention relates to a fault diagnosis method for a water recycling control system. The system comprises a rainwater recycling system and a control system. The control system comprises wireless data transmission equipment, a data acquisition module and a rainwater recycling monitoring module, wherein the wireless data transmission equipment is in communication connection with a terminal server, the data acquisition module comprises multiple sensors and is used for performing data acquisition on the recycling system, and the rainwater recycling monitoring module is used for processing and analyzing acquired data and uploading the data to the terminal server through the wireless data transmission equipment. The rainwater recycling monitoring module performs fault diagnosis on the rainwater recycling system by analyzing the acquired data. By adopting the method for performing fault diagnosis on the system, it is unnecessary to guard or patrol the recycling system by a special worker, so that the labor cost is lowered, the maintenance cycle is prolonged, and halts of the system are reduced as far as possible.
Description
Technical field
The present invention relates to environmental technology field, specifically refer to that a kind of rainwater recycle utilizes control system.
Background technology
At present, rainwater recycle research on utilization mainly concentrates in method for designing and rainwater treatment technique.General rainwater treatment technique is physical filtering method and Ecological Disposal method.Ecological Disposal method because of its floor space large, the processing time is long, is seldom applied to building field.To special mountain topography structure, in pipe net arrangement, reservoir distribution, with in water end (W.E.) etc., requirements at the higher level are proposed to rainwater recycling system.But less for the research for the treatment of system itself, particularly the optimal design of the control system of rain processing system is almost a blank.
Existing rainwater recycle utilizes system see Fig. 1, comprises equipment room 10, reservoir 20, clear water reserviors 30 and switchbox, is mainly provided with multiple mixing pump 11 in equipment room 10, multiple measuring pump 12 and equipment room dredge pump 13; Multiple dredge pump 21 and multiple self-fractionating pump 22 is mainly provided with in reservoir 20; Multiple irrigation pump 31 is mainly provided with in clear water reserviors 30; Reservoir 20 collects rainwater by the total pipe network of rainwater-collecting, and rainwater purifies in reservoir 20, and in purification process, equipment room 10 throws in flocculant in reservoir 20; Water through purification enters clear water reserviors 30, equipment room 10 drops into disinfectant in clear water reserviors 30, rainwater after sterilization adopts irrigation pump 31 to extract out, exported by water-supply-pipe 41 and irrigate, water-supply-pipe 41 is provided with flow meter 42 and pressure meter 43, and the water-supply-pipe 41 between clear water reserviors 30 and pressure meter 43 is communicated with running water pipe 44, when amount of rainfall is not enough, when can not meet irrigation demand, supplemented by tap water.
Above-mentioned rainwater recycle utilizes system to be almost in semi-artificial state of a control, the most important thing is that said system cannot carry out fault diagnosis, once system cloud gray model is abnormal, personnel are then needed rule of thumb to investigate, higher to the professional requirement of staff, and work difficulty is large, and efficiency is low.Thus make equipment be difficult to the situation of permanently effective operation, have impact on the actual effect of rainwater utilization project greatly.
Summary of the invention
For the problems referred to above that prior art exists, the object of the invention is: provide one can be quick, diagnose rainwater recycle to utilize the method for control system fault accurately.
For achieving the above object, the present invention adopts following technical scheme: a kind of rainwater recycle utilizes control system method for diagnosing faults, and described rainwater recycle utilizes control system to comprise rainwater recycle and utilizes system; Rainwater recycle utilizes system to comprise equipment room, reservoir and clear water reserviors; Multiple mixing pump is provided with, multiple measuring pump, equipment room dredge pump, flocculant medicine-chest and disinfectant medicine-chest in described equipment room; Multiple dredge pump and multiple self-fractionating pump is provided with in reservoir; Multiple irrigation pump is provided with in clear water reserviors; Reservoir and clear water reserviors, by pipeline communication, clear water reserviors are connected with water-supply-pipe, and water-supply-pipe is provided with flow meter and pressure meter near clear water reserviors successively to the direction away from clear water reserviors; Water-supply-pipe between clear water reserviors and flow meter is communicated with running water pipe, and running water pipe is provided with storm sewer running water valve reservoir having and is communicated with it, and this storm sewer is provided with rainwater valve;
Also comprise control system, this control system comprises terminal server, radio data-transmission equipment, rainwater recycle monitoring module and data acquisition module;
Described rainwater recycle monitoring module comprises controlled processing unit, water pump control circuit, status alert lamp, RS485 communication unit, D/A conversion unit and PMU;
Described PMU comprises multiple mu balanced circuit parallel with one another, and each mu balanced circuit is powered being respectively controlled processing unit, water pump control circuit, status alert lamp, RS485 communication unit, D/A conversion unit and data acquisition module after voltage transformation;
In the current supply circuit of each water pump, current transformer is housed, each current transformer is connected with the first signal input part of controlled processing unit respectively;
Described data acquisition module comprises the Temperature Humidity Sensor being arranged on equipment room, is arranged on the flocculant liquid level sensor in flocculant medicine-chest, the disinfectant liquid level sensor be arranged in disinfectant medicine-chest, the reservoir liquid level sensor be arranged in reservoir, the clear water reserviors liquid level sensor be arranged in clear water reserviors;
Temperature Humidity Sensor, flocculant liquid level sensor, disinfectant liquid level sensor, reservoir liquid level sensor are connected with D/A conversion unit signal input part respectively with the signal output part of clear water reserviors liquid level sensor;
The digital signal output end of D/A conversion unit is connected with the secondary signal input of controlled processing unit; Flow meter flow signal output is connected with the 3rd signal input part of controlled processing unit, and manometric signal output end is connected with the 4th signal input part of controlled processing unit;
First signal output part of controlled processing unit is connected with status alert lamp, and the secondary signal output of controlled processing unit is connected with the signal input part of RS485 communication unit; 3rd signal output part of controlled processing unit is connected with the input of water pump control circuit,
RS485 communication unit and radio data-transmission equipment communicate to connect, and terminal server and radio data-transmission equipment communicate to connect;
Method for diagnosing faults is as follows:
Flocculant threshold values, disinfectant threshold values, equipment room temperature range, equipment room humidity threshold values, clear water reserviors liquid level threshold values, reservoir liquid level threshold values and water-supply-pipe pressure threshold value is preset with in controlled processing unit;
Flocculant liquid level sensor is by the flocculant liquid level signal in the flocculant medicine-chest of detection, disinfectant liquid level sensor is by the disinfectant liquid level signal in the disinfectant medicine-chest of detection, Temperature Humidity Sensor is by the temperature signal in the equipment room of detection and moisture signal, clear water reserviors liquid level sensor is by the clear water liquid level signal in the clear water reserviors of detection, and the pressure signal on the water-supply-pipe that on the water-supply-pipe that the rainwater liquid level signal in the reservoir detected, flow meter detect by reservoir liquid level sensor, flow signal and pressure meter detect passes to D/A conversion unit respectively;
D/A conversion unit converts the temperature signal of the flocculant liquid level signal received, disinfectant liquid level signal, equipment room, equipment room moisture signal, clear water liquid level signal, rainwater liquid level signal, flow signal and pressure signal to corresponding data signal respectively, then reaches controlled processing unit;
When controlled processing unit is less than flocculant threshold values according to the liquid level that the flocculant liquid level data signal received judges in flocculant medicine-chest, controlled processing unit sends flocculant medicine-chest failure alarm signal to status alert lamp, and the flocculant medicine-chest trouble lamp in status alert lamp is bright;
When controlled processing unit is less than disinfectant threshold values according to the level value that the disinfectant liquid level data signal received judges in disinfectant medicine-chest, controlled processing unit sends disinfectant medicine-chest failure alarm signal to status alert lamp, and the disinfectant medicine-chest trouble lamp in status alert lamp is bright;
When controlled processing unit is less than humidity threshold values according to the humidity in the equipment room humidity data signal judgment device received, or according to the temperature in the equipment room temperature digital signal judgment device received not when equipment room temperature range, controlled processing unit sends equipment room failure alarm signal to status alert lamp, and the equipment room trouble lamp in status alert lamp is bright;
When controlled processing unit is according to the clear water liquid level data signal received and pressure on the number signal, judge that the liquid level in clear water reserviors is less than clear water reserviors liquid level threshold values, pressure simultaneously in water-supply-pipe is less than water-supply-pipe pressure threshold value, and when continue for T1min, controlled processing unit sends clear water reserviors failure alarm signal to status alert lamp, and the clear water reserviors trouble lamp in status alert lamp is bright;
When controlled processing unit is according to the rainwater liquid level data signal received and pressure on the number signal, judge that the liquid level in reservoir is less than reservoir liquid level threshold values, pressure simultaneously in water-supply-pipe is less than water-supply-pipe pressure threshold value, and when continue for T2min, controlled processing unit sends reservoir failure alarm signal to status alert lamp, and the reservoir trouble lamp in status alert lamp is bright;
Under the end of water-supply-pipe is in open mode, carry out following fault diagnosis;
Original state: rainwater valve is in open mode, and running water valve is in closed condition, and irrigation pump does not work;
The pressure on the number signal received when controlled processing unit and flow signal are all greater than zero, then running water valve is abnormal, and controlled processing unit sends running water valve failure alarm signal to status alert lamp, and the running water valve trouble lamp in status alert lamp is bright;
The flow signal received when controlled processing unit is greater than zero, and pressure on the number signal is less than or equal to zero, then running water valve and rainwater valve are simultaneously abnormal, controlled processing unit sends running water valve failure alarm signal and rainwater valve failure alarm signal to status alert lamp simultaneously, bright the while of the running water valve trouble lamp in status alert lamp and rainwater valve trouble lamp;
Use rainwater duty: rainwater valve is in open mode, and running water valve is in closed condition, irrigation pump work;
The pressure on the number signal received when controlled processing unit is greater than zero, and flow signal is less than or equal to zero, then rainwater valve is abnormal, and controlled processing unit sends rainwater valve failure alarm signal to status alert lamp, and the rainwater valve trouble lamp in status alert lamp is bright;
The flow signal received when controlled processing unit is greater than zero, and pressure on the number signal equals zero or be less than water-supply-pipe pressure threshold value, then running water valve and rainwater valve are simultaneously abnormal, controlled processing unit sends running water valve failure alarm signal and rainwater valve failure alarm signal to status alert lamp simultaneously, bright the while of the running water valve trouble lamp in status alert lamp and rainwater valve trouble lamp;
Use tap water duty: rainwater valve is in closed condition, and running water valve is in open mode, irrigate and do not work;
The flow signal received when controlled processing unit is less than or equal to zero, then running water valve is abnormal, and controlled processing unit sends running water valve failure alarm signal to status alert lamp, and the running water valve trouble lamp in status alert lamp is bright;
When controlled processing unit is more than or equal to the value twice of rainwater liquid level data signal according to the value of the clear water liquid level data signal received, controlled processing unit sends system failure alarm signal to status alert lamp, and the system failure alarm lamp in status alert lamp is bright.
As optimization, described controlled processing unit adopts the STM32 chip of STMicw Electronics.
Relative to prior art, tool of the present invention has the following advantages:
This method utilizes control system to improve to existing rainwater recycle, rainwater recycle after improvement utilizes Control system architecture simple, improvement cost is low, only need to utilize in system at existing rainwater recycle to install corresponding sensor additional, for image data, in addition, rely on existing existing communication network, carry out the wireless transmission of data, incoming terminal server, thus facilitate staff to check, manage and safeguard that rainwater recycle utilizes system in time.
In addition, the fault diagnosis and the analysis that rainwater recycle are utilized to system can be realized by control system, the operation and maintenance situation that rainwater recycle utilizes system can also be monitored by terminal server, thus do not need special messenger guard or make an inspection tour recycling system, not only reduce cost of labor, also accelerate the time cycle of maintenance, the low as far as possible stagnation situation decreasing this system.
Accompanying drawing explanation
Fig. 1 is the flow chart that prior art rainwater recycle utilizes system.
Fig. 2 is that rainwater recycle of the present invention utilizes members setting position diagram in control system.
Fig. 3 is the flow chart that rainwater recycle of the present invention utilizes control system.
Fig. 4 is the frame diagram of rainwater recycle monitoring module.
Detailed description of the invention
Below the present invention is described in further detail.
See Fig. 2-4, a kind of rainwater recycle utilizes control system method for diagnosing faults, and rainwater recycle utilizes control system to comprise rainwater recycle and utilizes system and control system.
Rainwater recycle utilizes system, and rainwater recycle utilizes system to comprise equipment room 10, reservoir 20 and clear water reserviors 30; Be provided with multiple mixing pump 11 in described equipment room 10, there is in multiple measuring pump 12, equipment room dredge pump 13, flocculant medicine-chest 18 and disinfectant medicine-chest 14(flocculant medicine-chest 18 flocculant of liquid, there is in disinfectant medicine-chest 14 disinfectant of liquid); Multiple dredge pump 21 and multiple self-fractionating pump 22 is provided with in reservoir 20; Multiple irrigation pump 31 is provided with in clear water reserviors 30; Reservoir 20 and clear water reserviors 30 are by pipeline communication, and the water realized in reservoir enters into clear water reserviors, clear water reserviors 30 is connected with water-supply-pipe 41, and water-supply-pipe 41 is provided with flow meter 42 and pressure meter 43 successively near clear water reserviors 30 to the direction away from clear water reserviors 30; Water-supply-pipe between clear water reserviors 30 and flow meter 42 is communicated with running water pipe 44, running water pipe 44 is provided with running water valve (when specifically implementing, this running water valve is motor operated valve, convenient to control) reservoir 20 has the storm sewer be communicated with it, this storm sewer is provided with rainwater valve (when specifically implementing, this rainwater valve is motor operated valve, convenient control); When using the water in clear water reserviors to carry out operation, when such as irrigating, not enough if there is the water in clear water reserviors, the running water valve on water supply pipe can be opened, irrigated by tap water.
Control system: this control system comprises terminal server 50, radio data-transmission equipment 60, rainwater recycle monitoring module 70 and data acquisition module 80;
Rainwater recycle monitoring module 70 comprises controlled processing unit 71, water pump control circuit 72, status alert lamp 73, RS485 communication unit 74, D/A conversion unit 75 and PMU 76.Controlled processing unit 71 can adopt the STM32 chip of STMicw Electronics.This chip industry level stability is high, performance good.
Described PMU 76 comprises multiple mu balanced circuit parallel with one another, each mu balanced circuit will be respectively controlled processing unit 71 after voltage transformation, water pump control circuit 72, status alert lamp 73, RS485 communication unit 74, D/A conversion unit 75 and data acquisition module 80 are powered (controlled processing unit 71, water pump control circuit 72, status alert lamp 73, RS485 communication unit 74, D/A conversion unit 75 is different with the voltage required for sensor, therefore mu balanced circuit is needed to convert voltage, and then power respectively, mu balanced circuit belongs to prior art, the not inventive point of invention).
In the current supply circuit of each water pump, current transformer is housed, each current transformer is connected with the first signal input part of controlled processing unit 71 respectively; Understood the current state of water pump by current transformer, current transformer belongs to prior art.
The digital signal output end of D/A conversion unit 75 is connected with the secondary signal input of controlled processing unit 71 (D/A conversion unit 75 converts the analog signal that each sensor in data acquisition module 80 inputs to data signal, the input of this secondary signal input be just be through the data signal that D/A conversion unit 75 is converted to); Flow meter 42 flow signal output is connected with the 3rd signal input part of controlled processing unit 71, and the signal output end of pressure meter 43 is connected with the 4th signal input part of controlled processing unit 71.
First signal output part of controlled processing unit 71 (the first signal output part export be controlling alarm) is connected with status alert lamp 73, and the secondary signal output of controlled processing unit 71 is connected with the signal input part of RS485 communication unit 74; 3rd signal output part of controlled processing unit 71 is connected the (order that controlled processing unit 71 can issue according to terminal server 50 with the input of water pump control circuit 72, send control command to water pump control circuit 72, water pump control circuit 72 controls the switch of corresponding water pump according to the order received.Water pump control circuit 72 is prior art, not inventive point of the present invention.
RS485 communication unit 74 and radio data-transmission equipment 60 communicate to connect, and terminal server 50 and radio data-transmission equipment 60 communicate to connect;
Data acquisition module 80 comprises the Temperature Humidity Sensor 17 being arranged on equipment room 10, is arranged on the flocculant liquid level sensor 15 in flocculant medicine-chest 18, the disinfectant liquid level sensor 16 be arranged in disinfectant medicine-chest 14, the reservoir liquid level sensor 23 be arranged in reservoir 20, the clear water reserviors liquid level sensor 33 be arranged in clear water reserviors 30; Temperature Humidity Sensor 17, flocculant liquid level sensor 15, disinfectant liquid level sensor 16, reservoir liquid level sensor 23 are connected with D/A conversion unit 75 signal input part respectively with the signal output part of clear water reserviors liquid level sensor 33.
Flocculant threshold values, disinfectant threshold values, equipment room temperature range, equipment room humidity threshold values, clear water reserviors liquid level threshold values, reservoir liquid level threshold values and water-supply-pipe pressure threshold value is preset with in controlled processing unit 71;
Flocculant liquid level sensor 15 is by the flocculant liquid level signal in the flocculant medicine-chest 15 of detection, disinfectant liquid level sensor 16 is by the disinfectant liquid level signal in the disinfectant medicine-chest 14 of detection, Temperature Humidity Sensor 17 is by the temperature signal in the equipment room 10 of detection and moisture signal, clear water reserviors liquid level sensor 33 is by the clear water liquid level signal in the clear water reserviors 30 of detection, reservoir liquid level sensor 23 is by the rainwater liquid level signal in the reservoir 20 that detects, pressure signal on the water-supply-pipe 41 that on the water-supply-pipe 41 that flow meter 42 detects, flow signal and pressure meter 43 detect passes to D/A conversion unit 75 respectively.
D/A conversion unit 75 converts the temperature signal of the flocculant liquid level signal received, disinfectant liquid level signal, equipment room, equipment room moisture signal, clear water liquid level signal, rainwater liquid level signal, flow signal and pressure signal to corresponding data signal respectively, then reaches controlled processing unit 71.
When controlled processing unit 71 is less than flocculant threshold values according to the liquid level that the flocculant liquid level data signal received judges in flocculant medicine-chest 15, controlled processing unit 71 sends flocculant medicine-chest failure alarm signal to status alert lamp 73, and the flocculant medicine-chest trouble lamp in status alert lamp 73 is bright.
When controlled processing unit 71 is less than disinfectant threshold values according to the level value that the disinfectant liquid level data signal received judges in disinfectant medicine-chest 14, controlled processing unit 71 sends disinfectant medicine-chest failure alarm signal to status alert lamp 73, and the disinfectant medicine-chest trouble lamp in status alert lamp 73 is bright.
When the humidity between controlled processing unit 71 is according to the equipment room humidity data signal judgment device received in 10 is less than humidity threshold values, or according to the temperature between the equipment room temperature digital signal judgment device received in 10 not when equipment room temperature range, controlled processing unit 71 sends equipment room failure alarm signal to status alert lamp 73, and the equipment room trouble lamp in status alert lamp 73 is bright.
When controlled processing unit 71 is according to the clear water liquid level data signal received and pressure on the number signal, judge that the liquid level in clear water reserviors 30 is less than clear water reserviors liquid level threshold values, pressure simultaneously in water-supply-pipe 41 is less than water-supply-pipe pressure threshold value, and continue for T1min(T1 is empirical value, can rule of thumb set) time, controlled processing unit 71 sends clear water reserviors failure alarm signal to status alert lamp 73, and the clear water reserviors trouble lamp in status alert lamp 73 is bright.
When controlled processing unit 71 is according to the rainwater liquid level data signal received and pressure on the number signal, judge that the liquid level in reservoir 20 is less than reservoir liquid level threshold values, pressure simultaneously in water-supply-pipe 41 is less than water-supply-pipe pressure threshold value, and continue for T2min(T2 is empirical value, can rule of thumb set) time, controlled processing unit 71 sends reservoir failure alarm signal to status alert lamp 73, and the reservoir trouble lamp in status alert lamp 73 is bright.
The end of water-supply-pipe 41 is in open mode (namely using rainwater recycle to utilize control system to carry out operation, such as irrigating), carries out following fault diagnosis;
Original state: rainwater valve is in open mode, and running water valve is in closed condition, irrigation pump 31 does not work;
The pressure on the number signal received when controlled processing unit 71 and flow signal are all greater than zero, then running water valve is abnormal, controlled processing unit 71 sends running water valve failure alarm signal to status alert lamp 73, and the running water valve trouble lamp in status alert lamp 73 is bright.
The flow signal received when controlled processing unit 71 is greater than zero, and pressure on the number signal is less than or equal to zero, then running water valve and rainwater valve are simultaneously abnormal, controlled processing unit 71 sends running water valve failure alarm signal and rainwater valve failure alarm signal to status alert lamp 73 simultaneously, bright the while of the running water valve trouble lamp in status alert lamp 73 and rainwater valve trouble lamp.
Use rainwater duty (such as this system uses rainwater to irrigate): rainwater valve is in open mode, and running water valve is in closed condition, irrigation pump work;
The pressure on the number signal received when controlled processing unit 71 is greater than zero, and flow signal is less than or equal to zero, then rainwater valve is abnormal, and controlled processing unit 71 sends rainwater valve failure alarm signal to status alert lamp 73, and the rainwater valve trouble lamp in status alert lamp 73 is bright.
The flow signal received when controlled processing unit 71 is greater than zero, and pressure on the number signal equals zero or be less than water-supply-pipe pressure threshold value, then running water valve and rainwater valve are simultaneously abnormal, controlled processing unit 71 sends running water valve failure alarm signal and rainwater valve failure alarm signal to status alert lamp 73 simultaneously, bright the while of the running water valve trouble lamp in status alert lamp 73 and rainwater valve trouble lamp.
Use tap water duty (such as when amount of rainfall is not enough, irrigation demand can not be met, use tap water supplement irrigation): rainwater valve is in closed condition, and running water valve is in open mode, irrigates and does not work;
The flow signal received when controlled processing unit 71 is less than or equal to zero, then running water valve is abnormal, and controlled processing unit 71 sends running water valve failure alarm signal to status alert lamp 73, and the running water valve trouble lamp in status alert lamp 73 is bright.
When controlled processing unit 71 is more than or equal to the value twice of rainwater liquid level data signal according to the value of the clear water liquid level data signal received, controlled processing unit 71 sends system failure alarm signal to status alert lamp 73, and the system failure alarm lamp in status alert lamp 73 is bright.
Compare traditional rainwater recycling system can only be positioned over total pipe network end and carry out total man's work or semi-artificial control, the inventive method uses rainwater recycle to utilize control system can realize rainwater recycle and utilizes system Automatic Control, the fault diagnosis that rainwater recycle utilizes system can also be realized, reach the real efficient reuse of rainwater; Realize remote monitoring function by terminal server simultaneously, effectively can solve the O&M problem that rainwater recycle utilizes system, accomplish real unmanned.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (2)
1. rainwater recycle utilizes a control system method for diagnosing faults, and described rainwater recycle utilizes control system to comprise rainwater recycle and utilizes system; Rainwater recycle utilizes system to comprise equipment room (10), reservoir (20) and clear water reserviors (30); Multiple mixing pump (11) is provided with, multiple measuring pump (12), equipment room dredge pump (13), flocculant medicine-chest (18) and disinfectant medicine-chest (14) in described equipment room (10); Multiple dredge pump (21) and multiple self-fractionating pump (22) is provided with in reservoir (20); Multiple irrigation pump (31) is provided with in clear water reserviors (30);
Reservoir (20) and clear water reserviors (30) pass through pipeline communication, clear water reserviors (30) are connected with water-supply-pipe (41), water-supply-pipe (41) is provided with flow meter (42) and pressure meter (43) near clear water reserviors (30) successively to the direction away from clear water reserviors (30);
Water-supply-pipe between clear water reserviors (30) and flow meter (42) is communicated with running water pipe (44), running water pipe (44) is provided with on running water valve reservoir (20) has the storm sewer be communicated with it, and this storm sewer is provided with rainwater valve;
It is characterized in that: also comprise control system, this control system comprises terminal server (50), radio data-transmission equipment (60), rainwater recycle monitoring module (70) and data acquisition module (80);
Described rainwater recycle monitoring module (70) comprises controlled processing unit (71), water pump control circuit (72), status alert lamp (73), RS485 communication unit (74), D/A conversion unit (75) and PMU (76);
Described PMU (76) comprises multiple mu balanced circuit parallel with one another, and each mu balanced circuit will be respectively the power supply of controlled processing unit (71), water pump control circuit (72), status alert lamp (73), RS485 communication unit (74), D/A conversion unit (75) and data acquisition module (80) after voltage transformation;
In the current supply circuit of each water pump, current transformer is housed, each current transformer is connected with the first signal input part of controlled processing unit (71) respectively;
Described data acquisition module (80) comprises the Temperature Humidity Sensor (17) being arranged on equipment room (10), is arranged on the flocculant liquid level sensor (15) in flocculant medicine-chest (18), the disinfectant liquid level sensor (16) be arranged in disinfectant medicine-chest (14), the reservoir liquid level sensor (23) be arranged in reservoir (20), the clear water reserviors liquid level sensor (33) be arranged in clear water reserviors (30);
Temperature Humidity Sensor (17), flocculant liquid level sensor (15), disinfectant liquid level sensor (16), reservoir liquid level sensor (23) are connected with D/A conversion unit (75) signal input part respectively with the signal output part of clear water reserviors liquid level sensor (33);
The digital signal output end of D/A conversion unit (75) is connected with the secondary signal input of controlled processing unit (71); Flow meter (42) flow signal output is connected with the 3rd signal input part of controlled processing unit (71), and the signal output end of pressure meter (43) is connected with the 4th signal input part of controlled processing unit (71);
First signal output part of controlled processing unit (71) is connected with status alert lamp (73), and the secondary signal output of controlled processing unit (71) is connected with the signal input part of RS485 communication unit (74); 3rd signal output part of controlled processing unit (71) is connected with the input of water pump control circuit (72),
RS485 communication unit (74) and radio data-transmission equipment (60) communicate to connect, and terminal server (50) and radio data-transmission equipment (60) communicate to connect;
Method for diagnosing faults is as follows:
Flocculant threshold values, disinfectant threshold values, equipment room temperature range, equipment room humidity threshold values, clear water reserviors liquid level threshold values, reservoir liquid level threshold values and water-supply-pipe pressure threshold value is preset with in controlled processing unit (71);
Flocculant liquid level sensor (15) is by the flocculant liquid level signal in the flocculant medicine-chest (15) of detection, disinfectant liquid level sensor (16) is by the disinfectant liquid level signal in the disinfectant medicine-chest (14) of detection, Temperature Humidity Sensor (17) is by the temperature signal in the equipment room (10) of detection and moisture signal, clear water reserviors liquid level sensor (33) is by the clear water liquid level signal in the clear water reserviors (30) of detection, reservoir liquid level sensor (23) is by the rainwater liquid level signal in the reservoir (20) that detects, pressure signal on the water-supply-pipe (41) that the upper flow signal of the water-supply-pipe (41) that flow meter (42) detects and pressure meter (43) detect passes to D/A conversion unit (75) respectively,
D/A conversion unit (75) converts the temperature signal of the flocculant liquid level signal received, disinfectant liquid level signal, equipment room, equipment room moisture signal, clear water liquid level signal, rainwater liquid level signal, flow signal and pressure signal to corresponding data signal respectively, then reaches controlled processing unit (71);
When controlled processing unit (71) is less than flocculant threshold values according to the liquid level that the flocculant liquid level data signal received judges in flocculant medicine-chest (15), controlled processing unit (71) sends flocculant medicine-chest failure alarm signal to status alert lamp (73), and the flocculant medicine-chest trouble lamp in status alert lamp (73) is bright;
When controlled processing unit (71) is less than disinfectant threshold values according to the level value that the disinfectant liquid level data signal received judges in disinfectant medicine-chest (14), controlled processing unit (71) sends disinfectant medicine-chest failure alarm signal to status alert lamp (73), and the disinfectant medicine-chest trouble lamp in status alert lamp (73) is bright;
When the humidity in (10) between controlled processing unit (71) is according to the equipment room humidity data signal judgment device received is less than humidity threshold values, or according to the temperature between the equipment room temperature digital signal judgment device received in (10) not when equipment room temperature range, controlled processing unit (71) sends equipment room failure alarm signal to status alert lamp (73), and the equipment room trouble lamp in status alert lamp (73) is bright;
When controlled processing unit (71) is according to the clear water liquid level data signal received and pressure on the number signal, judge that the liquid level in clear water reserviors (30) is less than clear water reserviors liquid level threshold values, pressure simultaneously in water-supply-pipe (41) is less than water-supply-pipe pressure threshold value, and when continue for T1min, controlled processing unit (71) sends clear water reserviors failure alarm signal to status alert lamp (73), and the clear water reserviors trouble lamp in status alert lamp (73) is bright;
When controlled processing unit (71) is according to the rainwater liquid level data signal received and pressure on the number signal, judge that the liquid level in reservoir (20) is less than reservoir liquid level threshold values, pressure simultaneously in water-supply-pipe (41) is less than water-supply-pipe pressure threshold value, and when continue for T2min, controlled processing unit (71) sends reservoir failure alarm signal to status alert lamp (73), and the reservoir trouble lamp in status alert lamp (73) is bright;
Under the end of water-supply-pipe (41) is in open mode, carry out following fault diagnosis;
Original state: rainwater valve is in open mode, and running water valve is in closed condition, irrigation pump (31) does not work;
The pressure on the number signal received when controlled processing unit (71) and flow signal are all greater than zero, then running water valve is abnormal, controlled processing unit (71) sends running water valve failure alarm signal to status alert lamp (73), and the running water valve trouble lamp in status alert lamp (73) is bright;
The flow signal received when controlled processing unit (71) is greater than zero, and pressure on the number signal is less than or equal to zero, then running water valve and rainwater valve are simultaneously abnormal, controlled processing unit (71) sends running water valve failure alarm signal and rainwater valve failure alarm signal to status alert lamp (73) simultaneously, bright the while of the running water valve trouble lamp in status alert lamp (73) and rainwater valve trouble lamp;
Use rainwater duty: rainwater valve is in open mode, and running water valve is in closed condition, irrigation pump work;
The pressure on the number signal received when controlled processing unit (71) is greater than zero, and flow signal is less than or equal to zero, then rainwater valve is abnormal, controlled processing unit (71) sends rainwater valve failure alarm signal to status alert lamp (73), and the rainwater valve trouble lamp in status alert lamp (73) is bright;
The flow signal received when controlled processing unit (71) is greater than zero, and pressure on the number signal equals zero or be less than water-supply-pipe pressure threshold value, then running water valve and rainwater valve are simultaneously abnormal, controlled processing unit (71) sends running water valve failure alarm signal and rainwater valve failure alarm signal to status alert lamp (73) simultaneously, bright the while of the running water valve trouble lamp in status alert lamp (73) and rainwater valve trouble lamp;
Use tap water duty: rainwater valve is in closed condition, and running water valve is in open mode, irrigate and do not work;
The flow signal received when controlled processing unit (71) is less than or equal to zero, then running water valve is abnormal, controlled processing unit (71) sends running water valve failure alarm signal to status alert lamp (73), and the running water valve trouble lamp in status alert lamp (73) is bright;
When controlled processing unit (71) is more than or equal to the value twice of rainwater liquid level data signal according to the value of the clear water liquid level data signal received, controlled processing unit (71) sends system failure alarm signal to status alert lamp (73), and the system failure alarm lamp in status alert lamp (73) is bright.
2. rainwater recycle as claimed in claim 1 utilizes control system method for diagnosing faults, it is characterized in that: described controlled processing unit (71) adopts the STM32 chip of STMicw Electronics.
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Application publication date: 20151118 |