CN114150734A - Automatic disinfection system and method for water pump unit - Google Patents

Automatic disinfection system and method for water pump unit Download PDF

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Publication number
CN114150734A
CN114150734A CN202111434774.1A CN202111434774A CN114150734A CN 114150734 A CN114150734 A CN 114150734A CN 202111434774 A CN202111434774 A CN 202111434774A CN 114150734 A CN114150734 A CN 114150734A
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China
Prior art keywords
water pump
pump unit
unit
disinfection
controlling
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CN202111434774.1A
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CN114150734B (en
Inventor
韩宁
滕人博
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Wilo China Water Pump System Co Ltd
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Wilo China Water Pump System Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/074Arrangement of water treatment devices
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/075Arrangement of devices for control of pressure or flow rate
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use

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  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

The invention provides an automatic disinfection system and method of a water pump unit, wherein the system comprises: the system comprises a control unit, a data acquisition unit and a water pump unit; the data acquisition unit is arranged on the water pump unit and is electrically connected with the control unit, and the control unit is electrically connected with the water pump unit; the data acquisition unit is used for acquiring characteristic parameters of the water pump unit; and the control unit is used for controlling the normal operation or the operation in a disinfection mode of the water pump unit according to the characteristic parameters. Compared with the traditional water supply unit, the water supply unit can be automatically or manually disinfected during unmanned water supply or pipeline maintenance at night, is safer and more reliable than the traditional disinfection by using chemical agents, and can ensure the safety of water consumption of residents.

Description

Automatic disinfection system and method for water pump unit
Technical Field
The invention relates to the technical field of water pump disinfection, in particular to an automatic disinfection system and method for a water pump unit.
Background
After the secondary water supply equipment is used for a period of time, sludge and scale are inevitably generated to cause breeding and propagation of microorganisms. Generally, a secondary water supply device is required to be disinfected within half a year or 1 year, at present, a chemical agent is mainly used for disinfecting and treating a water tank/a water pool, and a water pump unit is not required to be disinfected by specific standards and regulations. Water pump units on the market do not have the function of automatic disinfection at present, and do not have the access port of reserving disinfection equipment
Disclosure of Invention
The invention aims to provide an automatic disinfection system and method for a water pump unit, which can automatically disinfect the unit.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an automatic sterilization system for a water pump assembly, comprising: the system comprises a control unit, a data acquisition unit and a water pump unit;
the data acquisition unit is arranged on the water pump unit and is electrically connected with the control unit, and the control unit is electrically connected with the water pump unit;
the data acquisition unit is used for acquiring characteristic parameters of the water pump unit;
and the control unit is used for controlling the normal operation or the operation in a disinfection mode of the water pump unit according to the characteristic parameters.
Optionally, the data acquisition unit includes a pressure sensor and/or a temperature sensor; and the pressure sensor and/or the temperature sensor are/is arranged on the pipe section at the inlet end of the water pump unit.
Optionally, the control unit includes a programmable logic controller PLC, a PID controller, and a frequency converter;
the PLC is electrically connected with the PID regulator, and the PID controller is electrically connected with the frequency converter;
the frequency converter is electrically connected with a motor of the water pump unit; and the PLC controller adjusts the working frequency of the frequency converter through the PID controller according to the characteristic parameters and preset parameter threshold values, and controls the water pump unit to normally operate or operate in a disinfection mode.
Optionally, when the characteristic parameter is a pressure signal of a pressure sensor, comparing the pressure signal with a preset pressure threshold value to obtain a first comparison result, controlling the operating frequency of the frequency converter to be adjusted through the PID controller according to the first comparison result, and controlling the water pump unit to operate at a constant pressure.
Optionally, the characteristic parameter is a temperature signal of a temperature sensor, and when the water pump unit operates in a disinfection mode, an inlet and outlet valve of a control cabinet where the water pump unit is located is closed; and comparing the temperature signal with a preset temperature threshold value to obtain a second comparison result, and controlling the running speed of the water pump unit in a disinfection mode through the PID controller and the frequency converter according to the second comparison result.
The embodiment of the invention also provides an automatic disinfection method of the water pump unit, which is applied to the automatic disinfection system, and the method comprises the following steps:
acquiring characteristic parameters of a water pump unit;
and controlling the normal operation or the operation in a disinfection mode of the water pump unit according to the characteristic parameters.
Optionally, controlling the normal operation or the operation in the disinfection mode of the water pump unit according to the characteristic parameters includes:
when the characteristic parameter is a pressure signal of a pressure sensor, comparing the pressure signal with a preset pressure threshold value to obtain a first comparison result, controlling the PID controller to adjust the working frequency of the frequency converter according to the first comparison result, and controlling the water pump unit to operate at a constant pressure.
Optionally, controlling the normal operation or the operation in the disinfection mode of the water pump unit according to the characteristic parameters includes:
the characteristic parameter is a temperature signal of a temperature sensor, and when the water pump unit operates in a disinfection mode, an inlet valve and an outlet valve of a control cabinet where the water pump unit is located are closed;
and comparing the temperature signal with a preset temperature threshold value to obtain a second comparison result, and controlling the running speed of the water pump unit in a disinfection mode through a PID (proportion integration differentiation) controller and a frequency converter according to the second comparison result.
Optionally, the method for automatically sterilizing the water pump unit further comprises: and when the disinfection set time of the disinfection mode is up, opening a drain valve and an inlet valve of a control cabinet where the water pump unit is located, introducing clean water through the inlet valve, and flushing a pipeline under the pressure control of the water pump unit.
Optionally, the preset temperature threshold is 72 ℃.
The scheme of the invention at least comprises the following beneficial effects:
compare with traditional water supply unit, water pump unit's automatic disinfection system includes: the system comprises a control unit, a data acquisition unit and a water pump unit; the data acquisition unit is arranged on the water pump unit and is electrically connected with the control unit, and the control unit is electrically connected with the water pump unit; the data acquisition unit is used for acquiring characteristic parameters of the water pump unit; and the control unit is used for controlling the normal operation or the operation in a disinfection mode of the water pump unit according to the characteristic parameters. During unmanned water or pipeline maintenance at night, can disinfect the unit automatically or manually, use chemical agent disinfection with the tradition, safe and reliable more can guarantee resident's water safety.
Drawings
FIG. 1 is a schematic diagram of the automatic sterilization system of the water pump assembly of the present invention;
wherein, 1, a control unit; 101. a PLC controller; 102. a PID controller; 103. a frequency converter; 2. a data acquisition unit; 201. a pressure sensor; 202. a temperature sensor; 3. a water pump unit.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides an automatic disinfection system for a water pump unit, including: the system comprises a control unit 1, a data acquisition unit 2 and a water pump unit 3; the data acquisition unit 2 is arranged on the water pump unit 3, the data acquisition unit 2 is electrically connected with the control unit 1, and the control unit 1 is electrically connected with the water pump unit 3; the data acquisition unit 2 is used for acquiring characteristic parameters of the water pump unit 3; the control unit 1 is used for controlling the normal operation or the operation in a disinfection mode of the water pump unit 3 according to the characteristic parameters; the whole system is controlled by the control unit 1 to operate, and the operation mode is simple and easy to control.
In an embodiment of the present invention, the data acquisition unit 2 comprises a pressure sensor 201 and/or a temperature sensor 202; the pressure sensor 201 and/or the temperature sensor 202 are/is arranged on the pipe section at the inlet end of the water pump unit 3; the data acquisition unit 2 may optionally add and subtract functional units including, but not limited to, a pressure sensor 201 and a temperature sensor 202.
In an embodiment of the present invention, the control unit 1 includes a programmable logic controller PLC 101, a PID controller 102, and a frequency converter 103; the PLC 101 is electrically connected with the PID regulator 102, and the PID controller 102 is electrically connected with the frequency converter 103;
the frequency converter 103 is electrically connected with a motor of the water pump unit 3; the PLC 101 adjusts the working frequency of the frequency converter 103 through the PID controller 102 according to the characteristic parameters and preset parameter thresholds, and controls the water pump unit 3 to normally operate or operate in a disinfection mode; relevant operations are adjusted through preset values, operation difficulty is reduced, and accuracy is high.
In the embodiment of the present invention, when the characteristic parameter is a pressure signal of the pressure sensor 201, the characteristic parameter is compared with a preset pressure threshold value according to the pressure signal to obtain a first comparison result, and the PID controller 102 is controlled to adjust the operating frequency of the frequency converter 103 according to the first comparison result, so as to control the water pump unit 3 to operate at a constant pressure.
In the embodiment of the present invention, the characteristic parameter is a temperature signal of the temperature sensor 202, and when the water pump unit 3 operates in the disinfection mode, the inlet and outlet valves of the control cabinet where the water pump unit 3 is located are closed; and comparing the temperature signal with a preset temperature threshold value to obtain a second comparison result, and controlling the running speed of the water pump unit 3 in the disinfection mode through the PID controller 102 and the frequency converter 103 according to the second comparison result.
In the present invention, another embodiment is also included: a method for automatically disinfecting a water pump unit is applied to the automatic disinfecting system, and comprises the following steps:
the method comprises the following steps: acquiring characteristic parameters of the water pump unit 3;
step two: and controlling the normal operation or the operation in the disinfection mode of the water pump unit 3 according to the characteristic parameters.
In another embodiment of the present invention, controlling the normal operation or the operation in the disinfection mode of the water pump unit 3 according to the characteristic parameter includes: when the characteristic parameter is a pressure signal of the pressure sensor 201, comparing the pressure signal with a preset pressure threshold value to obtain a first comparison result, controlling the PID controller 102 to adjust the working frequency of the frequency converter 103 according to the first comparison result, and controlling the water pump unit 3 to operate at a constant pressure.
In another embodiment of the present invention, controlling the normal operation or the operation in the disinfection mode of the water pump unit 3 according to the characteristic parameter includes: the characteristic parameter is a temperature signal of the temperature sensor 202, and when the water pump unit 3 operates in a disinfection mode, an inlet and outlet valve of a control cabinet where the water pump unit 3 is located is closed; and comparing the temperature signal with a preset temperature threshold value to obtain a second comparison result, and controlling the running speed of the water pump unit 3 in the disinfection mode by controlling the PID controller 102 and the frequency converter 103 according to the second comparison result.
In another embodiment of the present invention, the method for automatically sterilizing a water pump assembly further comprises: when the disinfection set time of the disinfection mode is reached, a blowdown valve and an inlet valve of a control cabinet in which the water pump unit 3 is located are opened, clean water is introduced through the inlet valve, and a pipeline is flushed under the pressure control of the water pump unit 3; can effectively remove the waste water and avoid secondary pollution caused by waste water residue.
In another embodiment of the present invention, the preset temperature threshold is 72 ℃; the preset temperature reaches the requirement of high-temperature disinfection, and the temperature is raised without consuming redundant time and fuel consumption, so that the energy consumption is saved.
Compared with the traditional water supply unit, the water supply unit can be automatically or manually disinfected during unmanned water supply or pipeline maintenance at night, is safer and more reliable than the traditional disinfection by using chemical agents, and can ensure the safety of water consumption of residents.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. An automatic sterilization system for a water pump unit, comprising: the device comprises a control unit (1), a data acquisition unit (2) and a water pump unit (3);
the data acquisition unit (2) is installed on the water pump unit (3), the data acquisition unit (2) is electrically connected with the control unit (1), and the control unit (1) is electrically connected with the water pump unit (3);
the data acquisition unit (2) is used for acquiring characteristic parameters of the water pump unit (3);
the control unit (1) is used for controlling the normal operation or the operation in a disinfection mode of the water pump unit (3) according to the characteristic parameters.
2. Automatic disinfection system for water pump units according to claim 1, characterized in that said data acquisition unit (2) comprises a pressure sensor (201) and/or a temperature sensor (202);
the pressure sensor (201) and/or the temperature sensor (202) are/is arranged on an inlet end pipe section of the water pump unit (3).
3. Automatic disinfection system for water pump units according to claim 1 or 2, characterized in that said control unit (1) comprises a programmable logic control PLC controller (101), a PID controller (102), and a frequency converter (103);
the PLC controller (101) is electrically connected with the PID regulator (102), and the PID controller (102) is electrically connected with the frequency converter (103);
the frequency converter (103) is electrically connected with a motor of the water pump unit (3); and the PLC (101) adjusts the working frequency of the frequency converter (103) through the PID controller (102) according to the characteristic parameters and preset parameter threshold values, and controls the water pump unit (3) to normally operate or operate in a disinfection mode.
4. The automatic sterilization system of a water pump unit according to claim 3, characterized in that when the characteristic parameter is a pressure signal of a pressure sensor (201), the pressure signal is compared with a preset pressure threshold value to obtain a first comparison result, and the operating frequency of the frequency converter (103) is controlled to be adjusted by the PID controller (102) according to the first comparison result to control the water pump unit (3) to operate at a constant pressure.
5. The automatic disinfection system of the water pump unit according to claim 3, characterized in that the characteristic parameter is a temperature signal of a temperature sensor (202), and when the water pump unit (3) operates in a disinfection mode, an inlet and outlet valve of a control cabinet where the water pump unit (3) is located is closed; and comparing the temperature signal with a preset temperature threshold value to obtain a second comparison result, and controlling the running speed of the water pump unit (3) in a disinfection mode through the PID controller (102) and the frequency converter (103) according to the second comparison result.
6. A method for automatically disinfecting a water pump unit, which is applied to the automatic disinfecting system according to any one of claims 1 to 5, the method comprising the steps of:
acquiring characteristic parameters of a water pump unit (3);
and controlling the normal operation or the operation in a disinfection mode of the water pump unit (3) according to the characteristic parameters.
7. Method for the automatic disinfection of a water pump assembly according to claim 6, characterized in that controlling the normal operation or the operation in disinfection mode of the water pump assembly (3) according to said characteristic parameters comprises:
when the characteristic parameter is a pressure signal of a pressure sensor (201), comparing the pressure signal with a preset pressure threshold value to obtain a first comparison result, controlling the PID controller (102) to adjust the working frequency of the frequency converter (103) according to the first comparison result, and controlling the water pump unit (3) to operate at a constant pressure.
8. Method for the automatic disinfection of a water pump assembly according to claim 6, characterized in that controlling the normal operation or the operation in disinfection mode of the water pump assembly (3) according to said characteristic parameters comprises:
the characteristic parameters are temperature signals of a temperature sensor (202), and when the water pump unit (3) operates in a disinfection mode, an inlet valve and an outlet valve of a control cabinet where the water pump unit (3) is located are closed;
and comparing the temperature signal with a preset temperature threshold value to obtain a second comparison result, and controlling the running speed of the water pump unit (3) in the disinfection mode through a PID controller (102) and a frequency converter (103) according to the second comparison result.
9. The method for automatically disinfecting a water pump assembly as recited in claim 8, further comprising:
and when the disinfection set time of the disinfection mode is up, opening a blowdown valve and an inlet valve of a control cabinet where the water pump unit (3) is located, introducing clean water through the inlet valve, and flushing a pipeline under the pressure control of the water pump unit (3).
10. Method for the automatic disinfection of a water pump assembly according to claim 8, characterised in that said preset temperature threshold is 72 ℃.
CN202111434774.1A 2021-11-29 2021-11-29 Automatic disinfection system and method for water pump unit Active CN114150734B (en)

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040238028A1 (en) * 2003-05-30 2004-12-02 Taylor Thomas M. Vacuum pressure breaker and freeze protection for a water flushing system
CN101469551A (en) * 2007-12-28 2009-07-01 张明亮 Non-negative pressure water-supply installation
CN102073292A (en) * 2009-11-19 2011-05-25 普里德克特有限公司 Method and arrangement for monitoring water quality
CN202248091U (en) * 2011-09-29 2012-05-30 上海中韩杜科泵业制造有限公司 Frequency-conversion constant-pressure water supply automatic control system
US20140236367A1 (en) * 2011-06-27 2014-08-21 Vicente RUIZ GOMIS Control device for hydraulic turbines
CN204327464U (en) * 2014-11-27 2015-05-13 上海锐帕节能科技有限公司 A kind of conversion
CN204826044U (en) * 2015-08-05 2015-12-02 湖北中烟工业有限责任公司 Constant temperature and isopiestic pressure water supply system
CN205804491U (en) * 2016-06-02 2016-12-14 宁波汇融电气设备有限公司 A kind of constant pressure water supply system
CN106400895A (en) * 2016-08-26 2017-02-15 上海亨公电线电缆有限公司 Constant-pressure water supply system based on PLC and control method of constant-pressure water supply system
CN206800507U (en) * 2017-06-09 2017-12-26 上海煤科实业有限公司 Constant pressure water supply system
CN207211265U (en) * 2017-09-15 2018-04-10 广州力王热力有限公司 A kind of intelligent water supply system of frequency-changing pressure stabilizing
CN110130436A (en) * 2019-06-06 2019-08-16 杨广平 Intelligent water energy repetend electric system
CN210623051U (en) * 2020-03-26 2020-05-26 南阳华诚智能有限公司 Wireless control pump unit operation system

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040238028A1 (en) * 2003-05-30 2004-12-02 Taylor Thomas M. Vacuum pressure breaker and freeze protection for a water flushing system
CN101469551A (en) * 2007-12-28 2009-07-01 张明亮 Non-negative pressure water-supply installation
CN102073292A (en) * 2009-11-19 2011-05-25 普里德克特有限公司 Method and arrangement for monitoring water quality
US20140236367A1 (en) * 2011-06-27 2014-08-21 Vicente RUIZ GOMIS Control device for hydraulic turbines
CN202248091U (en) * 2011-09-29 2012-05-30 上海中韩杜科泵业制造有限公司 Frequency-conversion constant-pressure water supply automatic control system
CN204327464U (en) * 2014-11-27 2015-05-13 上海锐帕节能科技有限公司 A kind of conversion
CN204826044U (en) * 2015-08-05 2015-12-02 湖北中烟工业有限责任公司 Constant temperature and isopiestic pressure water supply system
CN205804491U (en) * 2016-06-02 2016-12-14 宁波汇融电气设备有限公司 A kind of constant pressure water supply system
CN106400895A (en) * 2016-08-26 2017-02-15 上海亨公电线电缆有限公司 Constant-pressure water supply system based on PLC and control method of constant-pressure water supply system
CN206800507U (en) * 2017-06-09 2017-12-26 上海煤科实业有限公司 Constant pressure water supply system
CN207211265U (en) * 2017-09-15 2018-04-10 广州力王热力有限公司 A kind of intelligent water supply system of frequency-changing pressure stabilizing
CN110130436A (en) * 2019-06-06 2019-08-16 杨广平 Intelligent water energy repetend electric system
CN210623051U (en) * 2020-03-26 2020-05-26 南阳华诚智能有限公司 Wireless control pump unit operation system

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