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CN-117107878-B - Pneumatic flap valve control device and method for one-time continuous power supply of small-capacity battery

CN117107878BCN 117107878 BCN117107878 BCN 117107878BCN-117107878-B

Abstract

The invention discloses a pneumatic flap valve control device and method for one-time continuous power supply of a small-capacity battery. The invention forms the power supply of the critical working time window by precisely controlling the energy-saving mode of the critical working time window when the flap valve is closed/opened, greatly reduces the standby power supply working time and the useless standby power consumption of the equipment, and greatly reduces the too high working air pressure and the useless pressurizing power consumption when the pneumatic flap valve is closed/opened by precisely controlling the energy-saving mode of the critical working air pressure when the flap valve is closed/opened. The invention can reduce the useless power consumption of the equipment to the greatest extent, realize the limit micro-power consumption work of the pneumatic flap valve, the annual power consumption is less than 10 VAh/year, the one-time endurance working time of the battery is more than 10 years, the battery is free from replacement and charging maintenance for life, the installation, the use and the maintenance are very simple and convenient, the low-cost large-scale popularization and application are realized, and the sewage discharge and the waterlogging drainage control of the pneumatic flap valve of the urban drainage pipe network terminal can be effectively realized.

Inventors

  • JIANG NAN
  • FENG LI

Assignees

  • 北京林业大学

Dates

Publication Date
20260508
Application Date
20230714

Claims (9)

  1. 1. The pneumatic flap valve control device is characterized by comprising a pneumatic flap valve, a window water level meter sensor, a flap valve position sensor, an air pressure sensor, an intelligent controller and a lithium battery; The pneumatic flap valve comprises a flap valve and a pneumatic mechanical arm, the flap valve is fixedly arranged at the terminal position of the drainage pipe network, the pneumatic mechanical arm is connected with the flap valve, and the flap valve is driven to rotate around the top rotating shaft of the flap valve, so that the flap valve is in an upward opening state and a downward closing state; The window water level gauge sensor comprises an upper limit window water level gauge and a lower limit window water level gauge, wherein the upper limit window water level gauge and the lower limit window water level gauge adopt three-section magnetic reed pulse switches, have water level switch states of three positions of an upper section, a middle section and a lower section, respectively carry out non-contact detection on the upper limit window water level and the lower limit window water level; the flap valve position sensor comprises a flap valve opening position sensor and a flap valve closing position sensor, the flap valve opening position sensor and the flap valve closing position sensor are respectively arranged at the opening position and the closing position of the pneumatic flap valve by adopting normally open magnetic reed switches, non-contact detection is carried out on whether the pneumatic flap valve reaches the opening position and the closing position, and a signal is sent to the intelligent controller; The air pressure sensor is arranged on the pneumatic flap valve and is used for detecting the working air pressure of the pneumatic flap valve and sending a detected air pressure signal to the intelligent controller; The intelligent controller is respectively connected with the pneumatic flap valve, the upper limit window water level gauge, the lower limit window water level gauge, the flap valve opening position sensor, the flap valve closing position sensor, the air pressure sensor and the lithium battery, and controls the switch of the pneumatic flap valve and the power supply switch of the lithium battery according to the received signals; The lithium battery is connected with the upper limit window water level gauge and the lower limit window water level gauge, when the magnetic reed switch in the upper limit window water level gauge or the lower limit window water level gauge is turned on, the lithium battery is electrified to supply power to all parts of the whole machine, when the magnetic reed switch in the upper limit window water level gauge or the lower limit window water level gauge is turned off, the lithium battery is powered off to stop supplying power to all the parts of the whole machine, the lithium battery is connected with the intelligent controller, the lithium battery is controlled to maintain power supply to all the parts of the whole machine when the power is supplied, and when the pneumatic flap valve reaches the opening position or the closing position, the lithium battery is controlled to power off all the parts of the whole machine.
  2. 2. The pneumatic flap valve control device for one-time continuous power supply of a small-capacity battery according to claim 1, wherein in the power-on and power-off control of a lithium battery, a flap valve closing/opening critical working time window energy-saving mode is adopted for precise control, and the pneumatic flap valve control device is characterized in that: When the water level is positioned at the middle section of the upper window water level gauge or the lower window water level gauge, the magnetic reed switch of the upper window water level gauge or the lower window water level gauge is switched on, the lithium battery is electrified to supply power to all parts of the whole machine, the lithium battery is controlled by the intelligent controller to maintain power supply to all the parts of the whole machine when electrified, and when the pneumatic flap valve reaches the opening position or the closing position, the lithium battery is controlled by the intelligent controller to cut off the power to all the parts of the whole machine, thereby maximally reducing the useless standby power supply working time and useless standby power consumption of the equipment.
  3. 3. The pneumatic flap valve control device with the one-time continuous power supply of the small-capacity battery as claimed in claim 1, wherein the intelligent controller adopts a flap valve closing/opening critical working air pressure multiple function accurate model to calculate and dynamically automatically control the closing/opening critical working air pressure of the pneumatic flap valve under different working conditions; the flap valve closing/opening critical working air pressure multiple function accurate model is constructed according to a force balance principle, a training set and a testing set sample set are collected, the flap valve closing/opening critical working air pressure multiple function accurate model is trained and tested, and a flap valve closing critical working air pressure P1 multiple function accurate model formula and a flap valve opening critical working air pressure P2 multiple function accurate model formula are constructed by traversing optimizing super parameters through a 10-fold cross validation method.
  4. 4. The pneumatic flap valve control device with the one-time continuous power supply of the small-capacity battery according to claim 3, wherein in the intelligent controller, the intelligent controller dynamically calculates the flap valve closing critical operating air pressure P1 and the flap valve opening critical operating air pressure P2 according to a flap valve closing critical operating air pressure P1 multi-element function accurate model formula and a flap valve opening critical operating air pressure P2 multi-element function accurate model formula; When the pneumatic flap valve is closed, the air pressure sensor detects the working air pressure of the pneumatic flap valve and sends an air pressure signal to the intelligent controller, and the intelligent controller controls the pneumatic flap valve to be pressurized to the flap valve closing critical working air pressure P1 and then stops pressurizing; when the pneumatic flap valve is opened, the air pressure sensor detects the working air pressure of the pneumatic flap valve and sends an air pressure signal to the intelligent controller, and the intelligent controller controls the pneumatic flap valve to be pressurized to the flap valve opening critical working air pressure P2 and then stops pressurizing.
  5. 5. The pneumatic flap valve control device powered by the small-capacity battery in a one-time cruising manner according to claim 3, wherein the flap valve closing critical working air pressure P1 multivariate function accurate model formula specifically comprises: Wherein, K1 is a first coefficient, R is the diameter (cm) of a pneumatic mechanical arm cylinder, D is the diameter (cm) of a flap valve, H is the distance (m) between the center of the flap valve and the lower limit water level of waterlogging, a training group sample set and a test group sample set are collected, and the optimizing super-parameter is traversed by a 10-fold cross validation method to determine the first coefficient K1.
  6. 6. The pneumatic flap valve control device powered by the small-capacity battery in a one-time cruising manner according to claim 3, wherein the flap valve opening critical working air pressure P2 multi-function accurate model formula specifically comprises: Wherein K2 is a second coefficient, R is the diameter (cm) of a pneumatic mechanical arm cylinder, G is the weight (kg) of a flap valve, a training set and a test set sample set are collected, and the optimizing super-parameters are traversed through a 10-fold cross validation method to determine the second coefficient K2.
  7. 7. A control method for a pneumatic flap gate control device for one-time continuous power supply of a small-capacity battery as claimed in claim 1, comprising the steps of: S1, precisely controlling an energy-saving mode of a critical working time window when a flap valve is closed/opened, namely, when the water level descends and sequentially passes through the middle section and the lower section of a water level gauge of a lower limit window or when the water level ascends and sequentially passes through the middle section and the upper section of the water level gauge of an upper limit window, a magnetic spring switch of the flap valve is sequentially switched on-off, a power supply is sequentially switched on-off, equipment is sequentially and automatically switched on-off, the power supply maintains equipment to supply power when the power supply is switched on, and immediately controls a pneumatic flap valve to close and intercept sewage discharge or controls the pneumatic flap valve to open and drain water/prevent waterlogging, and an intelligent controller immediately controls equipment to cut off when the flap valve reaches a closing/opening position; S2, accurate control of a flap valve closing/opening critical working air pressure energy-saving mode, namely constructing a flap valve closing/opening critical working air pressure multiple function accurate model by taking flap valve working condition parameters as multidimensional characteristic variables, accurately calculating and dynamically and automatically controlling closing/opening critical working air pressures of pneumatic flap valves under different working conditions, greatly reducing the excessive and useless pressurization power consumption of the working air pressures of closing/opening the pneumatic flap valves, constructing the flap valve closing/opening critical working air pressure multiple function accurate model, namely constructing a flap valve closing/opening critical working air pressure multiple function accurate model by taking working conditions of the pneumatic flap valves as multidimensional characteristic variables according to a force balance principle, acquiring a training set and a testing set sample set, training and testing the model, and constructing a flap valve closing critical working air pressure P1 multiple function accurate model formula and a flap valve opening critical working air pressure P2 multiple function accurate model formula by traversing optimizing and exceeding parameters through a 10-fold cross verification method.
  8. 8. The control method according to claim 7, wherein in step S1, the shutter closing/opening critical operation time window energy saving mode is precisely controlled as follows: S11, precisely controlling an energy-saving mode of closing a critical working time window W1 of a flap valve, wherein when the water level drops and sequentially passes through the interruption of a water level gauge of a lower limit window and the lower section of the water level gauge, a magnetic spring switch of the flap valve is sequentially turned on-off, a power supply is sequentially electrified-powered off, and a complete machine is sequentially and automatically electrified-powered off; S12, precisely controlling an energy-saving mode of a flap valve opening critical working time window W2, namely when the water level rises and sequentially passes through the interruption and the upper section of a water level gauge of an upper limit window, sequentially switching on and off a magnetic spring switch, sequentially switching on and off a power supply, sequentially and automatically switching on and off equipment, controlling a lithium battery to maintain power supply by an intelligent controller during power on, immediately controlling a pneumatic flap valve to open and drain water/prevent waterlogging, immediately controlling the lithium battery to be powered off by an intelligent controller when a flap valve closing position sensor detects that the flap valve reaches a closing position, establishing the energy-saving mode of the flap valve opening critical working time window W2, and furthest reducing standby power supply working time and useless standby power consumption of the equipment.
  9. 9. The control method according to claim 7, wherein in step S2, the flap valve closing/opening critical operating air pressure energy saving mode is precisely controlled, specifically as follows: S21, constructing a flap valve closing/opening critical working air pressure multiple function accurate model, namely constructing a flap valve closing/opening critical working air pressure multiple function accurate model by taking the working condition of a pneumatic flap valve as a multidimensional characteristic variable according to a force balance principle, collecting a training set and a testing set sample set, training and testing the model, traversing optimizing super parameters by a 10-fold cross validation method, and constructing a flap valve closing critical working air pressure P1 multiple function accurate model formula and a flap valve opening critical working air pressure P2 multiple function accurate model formula; S22, precisely controlling the energy-saving mode of the flap valve closing critical working air pressure P1, namely dynamically and precisely calculating the flap valve closing critical working air pressure P1 by the intelligent controller according to the model formula, detecting the pneumatic flap valve working air pressure by the air pressure sensor when the pneumatic flap valve is closed, sending an air pressure signal to the intelligent controller, precisely controlling the pneumatic flap valve to be pressurized to the flap valve closing critical working air pressure P1 by the intelligent controller, and stopping pressurizing; S23, precisely controlling the energy-saving mode of the flap valve opening critical working air pressure P2, namely dynamically and precisely calculating the flap valve opening critical working air pressure P2 by the intelligent controller according to the model formula, detecting the pneumatic flap valve working air pressure by the air pressure sensor when the pneumatic flap valve is opened, sending an air pressure signal to the intelligent controller, precisely controlling the pneumatic flap valve to be pressurized to the flap valve opening critical working air pressure P2 by the intelligent controller, and then stopping pressurizing.

Description

Pneumatic flap valve control device and method for one-time continuous power supply of small-capacity battery Technical Field The invention relates to the application field of energy conservation, environmental protection and disaster reduction for urban drainage pipe network sewage discharge and waterlogging control, in particular to a pneumatic flap valve control device and method for one-time continuous power supply of a small-capacity battery. Background The intelligent flap valve control device has the functions of intercepting dirt in dry days and draining waterlogging in rainy days, and is key equipment for treatment. The intelligent flap valve and sewage interception device (hydraulic flap valve and electric flap valve) of the existing urban drainage pipe network is difficult to construct by adopting a public power system power supply method, most places are difficult to install and use, the labor cost is high, or the instability of the solar battery power supply method is limited and influenced by natural conditions such as day and night, seasons, climate environments, geographic environments and the like, the intermittent power supply is realized, the autonomous power supply duration is short, the cost is high, and the popularization and the application cannot be realized. The intelligent pneumatic flap valve powered by the pure battery is quite convenient to install without construction, access power conditions and the like, but the problems that the equipment is high in useless power consumption, the one-time power supply duration of the battery is short (< 1 year), the battery needs frequent manual replacement and charging and the like still exist, the maintenance and the use are quite difficult, the labor cost is high, and the large-scale popularization and the application cannot be realized. How to realize the pneumatic flap valve control of the small-capacity battery with ultra-long one-time endurance power supply time, the battery is free from replacement and charging maintenance for a whole life, and the cost is low, so that the pneumatic flap valve is widely popularized and applied, and the pneumatic flap valve has become a key technical bottleneck problem to be solved in the urban drainage industry. A confluent pipe network overflow control device (CN 202021970826.8) adopts an electric power component to actively control flap valve overflow. The power supply device comprises a solar panel and a solar battery, wherein the solar battery is connected with an external charging port, and an external power supply and solar energy supply power simultaneously. An automatic control flap valve system (CN 202222527394.9) adopts the automatic opening and closing of a hydraulic flap valve to prevent sewage from flowing back into a drain pipe or a drain ditch. The solar panel and the storage battery are adopted for supplying power, and a charging port is arranged on the storage battery. Instability is limited and influenced by natural conditions such as day and night, seasons, climate environment, geographic environment and the like, intermittent power supply is realized, autonomous power supply duration is short, cost is high, and popularization and application cannot be realized. An intelligent equipment (CN 201922048871.1) for rain and sewage mixed flow pipeline treatment adopts a motor to automatically open and close a flap valve. The external public power supply is used for supplying power, construction is difficult, most places are difficult to install and use, and labor cost is high. Disclosure of Invention The invention mainly aims to overcome the defects and the shortcomings of the prior art and provides a pneumatic flap valve control device and a pneumatic flap valve control method for one-time continuous power supply of a small-capacity battery. The method has the advantages that the energy-saving mode precise control of the closing/opening critical working time window of the photographing door and the energy-saving mode precise control of the closing/opening critical working air pressure of the photographing door are realized, the useless power consumption of equipment is reduced to the greatest extent, the limit micro-power consumption work of the pneumatic photographing door is realized, the annual power consumption is less than 10 VAh/year, and the one-time endurance working time of a small-capacity battery (low-cost lithium battery DC12V/16.8 Ah) is more than 10 years. The battery is free from replacement and charging maintenance throughout the life, is very simple and convenient to install, use and maintain, realizes low-cost large-scale popularization and application, and can effectively realize the sewage discharge and waterlogging drainage control of the pneumatic flap valve of the urban drainage pipe network terminal. The object of the invention is achieved by at least one of the following technical solutions. A pneumatic flap valve control device with a small-capacity battery for