EP0863278A2 - Dispositif de contrÔle du fonctionnement d'une pompe - Google Patents

Dispositif de contrÔle du fonctionnement d'une pompe Download PDF

Info

Publication number
EP0863278A2
EP0863278A2 EP98500060A EP98500060A EP0863278A2 EP 0863278 A2 EP0863278 A2 EP 0863278A2 EP 98500060 A EP98500060 A EP 98500060A EP 98500060 A EP98500060 A EP 98500060A EP 0863278 A2 EP0863278 A2 EP 0863278A2
Authority
EP
European Patent Office
Prior art keywords
accordance
pump operation
pump
pressure
controlling pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98500060A
Other languages
German (de)
English (en)
Other versions
EP0863278A3 (fr
EP0863278B1 (fr
Inventor
Francesc Xavier Vila Corts
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Astral Pool Espana SA
Original Assignee
PLASTERAL SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from ES009700479A external-priority patent/ES2138524A1/es
Priority claimed from ES9800220A external-priority patent/ES2151375B1/es
Application filed by PLASTERAL SA filed Critical PLASTERAL SA
Publication of EP0863278A2 publication Critical patent/EP0863278A2/fr
Publication of EP0863278A3 publication Critical patent/EP0863278A3/fr
Application granted granted Critical
Publication of EP0863278B1 publication Critical patent/EP0863278B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/12—Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment
    • E04H4/1209—Treatment of water for swimming pools
    • E04H4/1218—Devices for removal of polluted water; Circumferential gutters
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/06—Safety devices; Coverings for baths

Definitions

  • the invention refers to a system for controlling pump operation.
  • This system is intended mainly for controlling and ensuring the safe operation of hydraulic pumps of the type installed in swimming-pools, fountains and other places where water is held, in order to suck it and circulate it through hydraulic circuits, such as filter or pumping circuits in aqua-parks (with slides and other complements) the water subsequently being sent towards the original tank or another.
  • hydraulic circuits such as filter or pumping circuits in aqua-parks (with slides and other complements) the water subsequently being sent towards the original tank or another.
  • Drains are installed at the bottom of, or next to, swimming-pools, fountains, reservoirs and other water tanks through which the water is sucked using a hydraulic pump in order to subject it to a given process and then send it towards the original tank or another.
  • the electric motor of these pumps is built in such a way that certain parts of it such as the ceramic seal or the electric winding burn out if the motor continues operating without transferring water, such as when a duct is blocked, for example.
  • the most common cause of this blockage is when a foreign object or even a human body obstructs the drain or discharge.
  • the system described in this invention shuts down pump operation in the event of blockage, thus eliminating the risk of damage to the pump, or to the object or person causing the blockage; it provides for re-starting the pump after a set interval if indefinite shutdown of operation is undesirable, and is equipped with signposting and monitoring elements.
  • This system is based on the existence of a water pressure detector, preferably located in the suction area, which in the event of any variation in pressure or vacuum present in said area, transmits an electric signal to the pump and causes same to shut down.
  • This detector device may comprise a pressure switch, vacuum switch or pressure gauge, which can be adjusted to shut down the pump or reduce its suction power by transmitting an electric signal to a relay operating the pump.
  • the system should preferably be equipped with at least one electric signal processing microcircuit, at least one pressure gauge, at least one relay, at least one timer, luminous indicators, acoustic or visual alarms, a selector switch to disconnect and re-connect the system and a subsystem to monitor re-start up.
  • the electric signal processing microcircuit controls the flow of electric signals in accordance with a program designed for the characteristics of the water installation.
  • the pressure gage is set so that, in the event of any variation in the pressure beyond a certain limit, it will transmit an electric signal to the microcircuit which, in accordance with the program to be executed, sends another signal to a relay to shut down the pump motor and put the timer into operation.
  • the timer is programmable and has two functions. One is to cause the microcircuit to send a signal to the relay, after a programmed interval, to restart the pump. The other function is to disable the option of the microcircuit sending a stop signal to the relay due to low pressure, also during a programmable interval. This function is useful, as during the first moments when starting up the pump, there are short fluctuations in the pressure level in the circuit, due to the inertia of a liquid mass that is put into motion; the aim is to prevent any of these fluctuations beyond the permitted pressure limit, from causing the pump to shutdown.
  • the water pumping process will continue if the cause of the blockage has been removed. If such blockage should continue, the motor will shutdown again, and remain so during the programmed interval until the timer restarts it. If after the second or third interval the blockage persists, the system can be programmed so that the motor does not restart until manual intervention takes place.
  • the luminous indicators will light up during normal operation of the relevant element, and when said element stops, the indicator will go out, and vice versa.
  • the acoustic and/or visual alarms will activate when the pump motor shuts down.
  • the selector switch allows the user to deactivate the system, so as to empty the swimming-pool, for example, and then re-activate it when the pool is full. As a safety measure, to deactivate the system requires holding the selector switch down for no less than three seconds.
  • the restart monitoring subsystem controls all system elements and is intended to restore correct operation of each element before, or after, external anomalies, such as automatically restarting the system after a power-cut or de-blocking a blocked element, during a storm for example.
  • this control system of pump 1 operation which sucks water A from swimming-pool P and impels it towards filter 2 for cleaning for subsequent return to the swimming-pool when clean, basically comprises the installation of a pressure switch-vacuum switch or a pressure gauge 3 in water suction tube 4 of the swimming-pool via drain 5 whose mouth is usually protected with a grille.
  • This pressure switch-vacuum switch or pressure gauge 3 is responsible for transmitting the electric signal to a safety-cabinet 6 where the first timer 7, a relay 8, a second timer 9 and a switch 10, whose safety-box will be connected to the relevant pump switchgear cabinet (not shown).
  • This system is designed so that in the event the pressure switch-vacuum switch or pressure gauge 3 interrupts pump 1 operation, the latter (or the set of pumps) will shut down for the time programmed on the first timer 7, after which time the pump will automatically resume operation for another, shorter time, programmed by the second timer 9. If the initial problem continues to exist, it will again shut down the pump, repeatedly, until the pump is shut down definitively.
  • green will indicate current and operation; red, the timer action that stops the pump; yellow, second timer operation, and the fourth colour that the pressure switch-vacuum switch is open.
  • Switch 10 will select connection or disconnection of the system, for example for draining the swimming-pool with nobody present.
  • the last component of the system is the installation of independent alarms which will operate acoustic/visual signals to indicate any anomaly in system operation.
  • Figure 3 shows the electric diagram of the power source represented in blocks, indicating 11, inlet of the pressure switch-vacuum switch or pressure gauge, 12, the main safety timer, 13, the secondary timer, 14, the operating and signalling relays, 15, the indicator "LED's" and 16, the external connections.
  • the pressure switch-vacuum switch or pressure gauge may be installed in any part of the circuit.
  • pressure gauge when pressure gauge records a pressure below the set value, it transmits an electric signal to microcircuit 17.
  • the microcircuit On receiving the signal, the microcircuit sends a signal to relay 18 which cuts off the power supply to motor 19 of pump 1, thus shutting it down, and also sends a signal to timer 20 to commence count down of the time to elapse before the pump restarts.
  • timer 20 sends to microcircuit 17 the signal to operate the relay to start up motor 19 of pump 1, while at the same time blocking said microcircuit 17 so that during a time which can be set between 0 and 10 seconds, it should not respond to any low pressure signals received from pressure gauge 3.
  • pressure gauge 3 will again record a pressure lower to that programmed, will again transmit a signal to microcircuit 17 which will again operate relay 18, stopping motor 19 of pump 1, and will start timer 21 (which depending on electronic technology could also be timer 20 itself). After another set time, the timer repeats the above function.
  • pressure gauge 3 will again record a pressure lower to that programmed, will again transmit a signal to microcircuit 17, and this will cause relay 18 to interrupt pump 1 operation. The timer will not start up the pump again.
  • Selector switch 24 enables to deactivate the system and re-activate it.
  • the monitoring subsystem 25 is responsible for restoring correct operation after anomalies due to external causes.
  • pressure gauge 3 sends its signal to the microcircuit of electric signals 17, which can send a signal to relay 18 to stop motor 19 of pump 1 and starts timer 20 or timer 21according to what has been envisaged or programmed. Signal leave the timer for microcircuit 17 which cause it to operate relay 18 while at the same time, during 10 seconds, they prevent any signals received from pressure gauge 3 from being transformed in signals to relay 18.
EP98500060A 1997-03-05 1998-03-03 Dispositif de contrôle du fonctionnement d'une pompe Expired - Lifetime EP0863278B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ES9700479 1997-03-05
ES009700479A ES2138524A1 (es) 1997-03-05 1997-03-05 Sistema para controlar el funcionamiento de bombas.
ES9800220 1998-02-05
ES9800220A ES2151375B1 (es) 1998-02-05 1998-02-05 "sistema para controlar el funcionamiento de bombas"

Publications (3)

Publication Number Publication Date
EP0863278A2 true EP0863278A2 (fr) 1998-09-09
EP0863278A3 EP0863278A3 (fr) 1999-02-03
EP0863278B1 EP0863278B1 (fr) 2004-03-03

Family

ID=26155041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98500060A Expired - Lifetime EP0863278B1 (fr) 1997-03-05 1998-03-03 Dispositif de contrôle du fonctionnement d'une pompe

Country Status (4)

Country Link
EP (1) EP0863278B1 (fr)
AT (1) ATE261041T1 (fr)
DE (1) DE69822012D1 (fr)
ES (1) ES2216259T3 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001005349A3 (fr) * 1999-07-15 2002-05-02 Hydroair A Unit Of Itt Ind Inc Systeme de captage de pression de cuve a remous capable de detecter un piegeage
US7300576B1 (en) * 2005-08-02 2007-11-27 Shasta Industries, Inc. Pool cleaning system and safety skimmer
US7931447B2 (en) 2006-06-29 2011-04-26 Hayward Industries, Inc. Drain safety and pump control device
US8286831B2 (en) 2009-09-18 2012-10-16 Ecolab Usa Inc. Dispenser having vacuum switch controlled pump with bleed valve
US20170213451A1 (en) 2016-01-22 2017-07-27 Hayward Industries, Inc. Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment
US10030647B2 (en) 2010-02-25 2018-07-24 Hayward Industries, Inc. Universal mount for a variable speed pump drive user interface
CN110778168A (zh) * 2019-10-31 2020-02-11 常德市西湖区三江园林建设有限公司 一种方便除污与恒温的泳池
US10718337B2 (en) 2016-09-22 2020-07-21 Hayward Industries, Inc. Self-priming dedicated water feature pump
US20200319621A1 (en) 2016-01-22 2020-10-08 Hayward Industries, Inc. Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment
US10976713B2 (en) 2013-03-15 2021-04-13 Hayward Industries, Inc. Modular pool/spa control system
US11433360B2 (en) 2018-05-07 2022-09-06 Ecolab Usa Inc. Dispenser and solution dispensing method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007147202A1 (fr) * 2006-06-21 2007-12-27 Gary Hall Système et procédé de sécurité pour piscines

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3963375A (en) * 1974-03-12 1976-06-15 Curtis George C Time delayed shut-down circuit for recirculation pump
US4505643A (en) * 1983-03-18 1985-03-19 North Coast Systems, Inc. Liquid pump control
WO1992013195A1 (fr) * 1991-01-22 1992-08-06 Jedray Pty. Ltd. Dispositif de securite
DE4300560A1 (en) * 1992-01-14 1993-07-22 Samsung Electronics Co Ltd Control for hot water circulating pump - has sensors for input temperature and input pressure to pump and with microprocessor control to prevent cavitation
EP0698839A1 (fr) * 1994-08-23 1996-02-28 Francisco Ballester Munoz Système de commande pour la condition de filtres et la décharge d'eau filtré dans un purificateur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3963375A (en) * 1974-03-12 1976-06-15 Curtis George C Time delayed shut-down circuit for recirculation pump
US4505643A (en) * 1983-03-18 1985-03-19 North Coast Systems, Inc. Liquid pump control
WO1992013195A1 (fr) * 1991-01-22 1992-08-06 Jedray Pty. Ltd. Dispositif de securite
DE4300560A1 (en) * 1992-01-14 1993-07-22 Samsung Electronics Co Ltd Control for hot water circulating pump - has sensors for input temperature and input pressure to pump and with microprocessor control to prevent cavitation
EP0698839A1 (fr) * 1994-08-23 1996-02-28 Francisco Ballester Munoz Système de commande pour la condition de filtres et la décharge d'eau filtré dans un purificateur

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6390781B1 (en) 1999-07-15 2002-05-21 Itt Manufacturing Enterprises, Inc. Spa pressure sensing system capable of entrapment detection
WO2001005349A3 (fr) * 1999-07-15 2002-05-02 Hydroair A Unit Of Itt Ind Inc Systeme de captage de pression de cuve a remous capable de detecter un piegeage
US7300576B1 (en) * 2005-08-02 2007-11-27 Shasta Industries, Inc. Pool cleaning system and safety skimmer
US7931447B2 (en) 2006-06-29 2011-04-26 Hayward Industries, Inc. Drain safety and pump control device
US8286831B2 (en) 2009-09-18 2012-10-16 Ecolab Usa Inc. Dispenser having vacuum switch controlled pump with bleed valve
US10030647B2 (en) 2010-02-25 2018-07-24 Hayward Industries, Inc. Universal mount for a variable speed pump drive user interface
US11572877B2 (en) 2010-02-25 2023-02-07 Hayward Industries, Inc. Universal mount for a variable speed pump drive user interface
US10976713B2 (en) 2013-03-15 2021-04-13 Hayward Industries, Inc. Modular pool/spa control system
US11822300B2 (en) 2013-03-15 2023-11-21 Hayward Industries, Inc. Modular pool/spa control system
US11096862B2 (en) 2016-01-22 2021-08-24 Hayward Industries, Inc. Systems and methods for providing network connectivity and remote monitoring, optimization, and control of pool/spa equipment
US20200319621A1 (en) 2016-01-22 2020-10-08 Hayward Industries, Inc. Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment
US10363197B2 (en) 2016-01-22 2019-07-30 Hayward Industries, Inc. Systems and methods for providing network connectivity and remote monitoring, optimization, and control of pool/spa equipment
US11000449B2 (en) 2016-01-22 2021-05-11 Hayward Industries, Inc. Systems and methods for providing network connectivity and remote monitoring, optimization, and control of pool/spa equipment
US10272014B2 (en) 2016-01-22 2019-04-30 Hayward Industries, Inc. Systems and methods for providing network connectivity and remote monitoring, optimization, and control of pool/spa equipment
US11122669B2 (en) 2016-01-22 2021-09-14 Hayward Industries, Inc. Systems and methods for providing network connectivity and remote monitoring, optimization, and control of pool/spa equipment
US11129256B2 (en) 2016-01-22 2021-09-21 Hayward Industries, Inc. Systems and methods for providing network connectivity and remote monitoring, optimization, and control of pool/spa equipment
US10219975B2 (en) 2016-01-22 2019-03-05 Hayward Industries, Inc. Systems and methods for providing network connectivity and remote monitoring, optimization, and control of pool/spa equipment
US11720085B2 (en) 2016-01-22 2023-08-08 Hayward Industries, Inc. Systems and methods for providing network connectivity and remote monitoring, optimization, and control of pool/spa equipment
US20170213451A1 (en) 2016-01-22 2017-07-27 Hayward Industries, Inc. Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment
US10718337B2 (en) 2016-09-22 2020-07-21 Hayward Industries, Inc. Self-priming dedicated water feature pump
US11433360B2 (en) 2018-05-07 2022-09-06 Ecolab Usa Inc. Dispenser and solution dispensing method
CN110778168A (zh) * 2019-10-31 2020-02-11 常德市西湖区三江园林建设有限公司 一种方便除污与恒温的泳池

Also Published As

Publication number Publication date
EP0863278A3 (fr) 1999-02-03
DE69822012D1 (de) 2004-04-08
EP0863278B1 (fr) 2004-03-03
ES2216259T3 (es) 2004-10-16
ATE261041T1 (de) 2004-03-15

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