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EP2565461B1 - Groupe motopompe - Google Patents

Groupe motopompe Download PDF

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Publication number
EP2565461B1
EP2565461B1 EP11179202.4A EP11179202A EP2565461B1 EP 2565461 B1 EP2565461 B1 EP 2565461B1 EP 11179202 A EP11179202 A EP 11179202A EP 2565461 B1 EP2565461 B1 EP 2565461B1
Authority
EP
European Patent Office
Prior art keywords
time
pump assembly
assembly according
illumination means
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.)
Active
Application number
EP11179202.4A
Other languages
German (de)
English (en)
Other versions
EP2565461A1 (fr
Inventor
Georg Blaser
Jens Kehrbaum
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.)
Grundfos Holdings AS
Original Assignee
Grundfos Holdings AS
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
Application filed by Grundfos Holdings AS filed Critical Grundfos Holdings AS
Priority to EP11179202.4A priority Critical patent/EP2565461B1/fr
Priority to CN201210292296.XA priority patent/CN102966566B/zh
Priority to US13/586,943 priority patent/US9512844B2/en
Publication of EP2565461A1 publication Critical patent/EP2565461A1/fr
Application granted granted Critical
Publication of EP2565461B1 publication Critical patent/EP2565461B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0686—Mechanical details of the pump control unit
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G15/00—Time-pieces comprising means to be operated at preselected times or after preselected time intervals
    • G04G15/006—Time-pieces comprising means to be operated at preselected times or after preselected time intervals for operating at a number of different times
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/02—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques

Definitions

  • the invention relates to a pump unit with the features specified in the preamble of claim 1.
  • Such pump sets See eg SA Armstrong Limited: " Hot Further Re-circulation Systems ", May 4, 2009, pages 1-4 , XP002667833 belong to the prior art and are usually used as circulating pumps, typically as circulation pumps for drinking water circulation. Since the hot water circulation is typically required only temporarily, namely usually only during the day and often only at specific times, it is common in some heating system controls to turn off the circulation pump in times when it is not needed, in order to drive energy for to save the pump, but also to reduce the heat losses in the circulation line.
  • a time control on the pump itself so that it is possible to set the times on which the pump is switched on and the times in which the pump is switched off on the pump itself.
  • a pump is known for example from the applicant by the name "Grundfos circulation pump Comfort UP 15-14 BUT".
  • a mechanical timer is provided at the front end of the pump housing, which, as usual in such mechanical timers, has a moving ring by a clock on which sitting in the quarter or half hour distance riders who are moved from an inner to an outer position can, with these tabs control a mechanical switch that turns the motor of the pump depending on the riding position or off.
  • the invention has the object to provide a generic pump unit, on the one hand has the advantages of good readability, ease of use and robustness of a mechanical timer, on the other hand, however, has the advantages of an electronic, especially digital timer.
  • the basic idea of the solution according to the invention is therefore to be able to provide an electronic time control for the motor, but to form the time display by a number of lighting means as defined in claim 1.
  • a simple operability of the time control and readability of the time display can be ensured despite electronic control, even if the control is electronic, preferably digital.
  • the use of bulbs has the advantage that even if one of the bulbs fails, the function of the remaining bulbs is maintained, and thus the pump unit at least remains usable.
  • the solution according to the invention permits, with a suitable selection of timing and lighting means, a low-energy operation and, in particular, the absence of mechanical switches.
  • the control and the display can be completely encapsulated, so that expensive sealing systems for mechanical elements can be dispensed with.
  • According to one embodiment of the invention may be provided either to represent the time of day and to display the switching time separate light sources or bulbs to display both times be driven differently, be it in different colors or different light intensity or in different light times (flashing).
  • the bulbs are arranged side by side such that the rows each time is assigned as in claim 1, so easy operation and readability is guaranteed.
  • an illuminant ring can advantageously represent 24 or 12 hours. In the 12-hour presentation, another display for day, night or for am, pm, as usual in the English-speaking world, be appropriate. If a bulb ring represents 24 hours according to an analog clock, this facilitates the operation and readability, especially taking into account the so-constructed widespread mechanical timers with riders. It can then be electronically formed a comparable functionality.
  • the pump unit is designed so that it has at least in the region of the motor a cross-sectionally round, preferably circular housing, which ends on the side facing away from the pump in a preferably flat end wall and that the time display is arranged on this end wall.
  • a cross-sectionally round, preferably circular housing which ends on the side facing away from the pump in a preferably flat end wall and that the time display is arranged on this end wall.
  • the motor housing may also have a rectangular, preferably rounded at the corners or other cross-section, then the end wall will have a corresponding outer contour, wherein the or the bulb rings can follow this contour or may be circular.
  • control elements for the time control are likewise arranged on the end wall.
  • this end wall forms part of a control and connection housing, which connects to the motor housing in the axial direction and umhaust a circuit board, which carries the bulbs and controls, wherein in the end wall recesses for the bulbs or optionally associated light guide and for the controls on the Board are provided.
  • This board may optionally form part of the engine control and also include parts of the engine electronics. It is particularly favorable if this board has only the electronics provided for the time control and time display, since then a modular construction of pump units of this type is possible, with and without time control or also with other control. It is then only this board to remove or replace.
  • the end wall is closed to the outside by a provided with license plate, which on the one hand identifies the controls, on the other hand assigns the LEDs numbers, as is common in an analog clock.
  • the film is expediently partially printed, so that it is transparent in the area of the light-emitting diodes, but covers it in other areas. This film then forms the tight end of the end wall.
  • micro-stylus which are arranged on the board, are accessible through the recesses in the end wall and the film.
  • the arrangement of the operating elements and the rows of lighting means is freely selectable. It is particularly favorable, however, if the rows of light sources are arranged on the outside and the operating elements within the ring or rings of light sources, since this allows on the one hand a good readability of the light source rings and on the other hand a compact design.
  • At least three operating states are advantageously adjustable by the menu selection, namely the continuous operation of the pump, ie the operating state "on", the time-controlled operation and the setting operation, where it is particularly useful if each operating state is assigned an independent light source.
  • a common control element for setting the time of day and switching time is provided, wherein the controller is designed so that in the operating state "setting mode" always first the time of day and then the switching times is set. This ensures that the time of day setting is always checked first, which, if it should already be set correctly, is simply skipped to set the switching time, or otherwise set initially.
  • a second subordinate time control which shuts off the motor of the pump according to preferably adjustable intervals during the switch-on of the higher-level timer.
  • a subordinate timing circuit is particularly advantageous in terms of energy since it is generally not necessary for the pump to run continuously during the entire turn-on interval of, for example, 30 minutes, but it is sufficient if it initially runs for 10 minutes, then remains switched off for 5 minutes, again 5 Minutes running, 5 minutes off and then another 5 minutes.
  • the above values are only to be understood as examples. It is important that this subordinate timer controls the pump so that it is ensured that the water in the circulation line is first circulated at least once to ensure that hot water is present at each tap.
  • the second timing is adjustable in terms of the length and the repetition rate of the switch-off intervals.
  • Pump unit shown is a hot water circulation pump for incorporation into a circulation line with dedicated line connections 1 and 2, forming part of a pump housing 3, in which in known manner a not visible in the drawing impeller is arranged, which sits on a shaft , which forms part of a split pot motor, the motor housing in Fig. 4 axially adjoins the pump housing, on the side facing away from the line terminals 1 and 2 opposite side.
  • pump unit is a Ball motor installed, but it can also be used a conventional canned motor.
  • a housing 5 which forms a control and connection housing 5, which accommodates the motor control and the Frequenzumrichterelektronik and at the same time forms the terminal housing, so a kind of terminal box, on the underside radially a connecting line 6 to Connection with the power grid is led out.
  • This control and connection housing 5 is designed as a plastic injection molded part and in the FIGS. 2 and 3 shown in detail. It has an end wall 7 with a free flat end face, which depends on the in Fig. 5 illustrated printed film 8 is completed, which forms a display and control panel 9 of the pump.
  • the control and connection housing 5 has a substantially cylindrical, from the motor housing 4 to the display and control panel 9 slightly tapered shape.
  • the front end of the housing end wall 7 is peripherally bordered by a slightly raised edge 10 which receives the printed on the outer end face of the end wall 7 printed film 8 flush.
  • an inwardly facing projection 11 is provided in the edge 10, which corresponds to a recess 12 in the outer periphery of the film 8 and ensures that the film 8 is always in the intended angular position on the end wall 7 is arranged.
  • the display and control panel is completed by the film 8, through the front side of the underlying end wall 7 of the Control and connection housing 5 is supported and completed by a parallel and immediately behind this end wall 7 arranged board 13, which carries the actual display and controls.
  • this board 13 On this board 13 two concentric and annular nested rows of light emitting diodes 14 and 15 are arranged, wherein the inner ring forming light emitting diodes 14 green and the outer ring forming light emitting diodes 15 are red.
  • the light-emitting diodes 14 and 15 are arranged uniformly distributed over an annular surface, each ring consists of a total of 48 light-emitting diodes 14 and 15.
  • the light-emitting diodes 14 and 15 are not only arranged annularly, but also aligned so that they each pair on one imaginary radials lie. According to the arrangement of the light emitting diodes 14 and 15 on the circuit board 13, two annular rows of recesses 16 and 17 are provided in the end wall 7 of the control and connection housing, in which the light emitting diodes 14 and 15 protrude when mounted in the housing 5 board 13.
  • the circuit board 13 is held on the end wall 7 of the housing 5 via snap closures located in the end wall so that the light emitting diodes 14 and 15 lie in the end wall 7.
  • the board carries 1 3 on its side facing the end wall 7 of the housing 5 side four light emitting diodes 18, 19, 20 and 21, which are arranged within the rows of light emitting diodes 14 and 15, and three Micro-buttons 22, 23 and 24, which are also within the LED rings 14 and 15.
  • the printed film 8 has an outer opaque ring 25, which carries numbers 1 to 24, which symbolize the hours of a day, similar to an analog clock, but not with 12, but with 24 hours, as is also common in mechanical timers.
  • this opaque ring 25 with the number marks representing the hours of the day is concentric with a ring 26, which covers the underlying end face 7 with its recesses, but is transparent.
  • This ring 26 is divided according to the numbers in the ring 25 by twenty-four radial lines 27.
  • the annular rows of light emitting diodes 14 and 15, which lie through the corresponding arranged rows of recess 16 and 17 in the end wall 7, under the ring 26, such that between two lines 27 each have two green light emitting diodes 14 and radially outside two red LEDs 15 are arranged.
  • the light-emitting diodes 18 to 21 on the board 13 are also within recesses 28, namely recesses 28 in the end wall 7 of the terminal housing 5. They lie under the film under four translucent display panels 29, 30, 31 and 32, of which the display panel 29th is indicated with a zero for the operating state "off" of the pump, the display panel 30 with a clock icon for indicating a clock setting mode, the display panel 31 a one for the operating state "on” and the display panel 32 with a symbolized open-end wrench for the setting mode.
  • the display panel 29 is thus illuminated by the light emitting diode 19, the display panel 30 through the light emitting diode 18, the display panel 31 through the light emitting diode 20 and the display panel 32 through the light emitting diode 21.
  • the touch panel 35 is assigned to the microswitch 22 and provided for confirmation of an input.
  • the touch panel 36 is associated with the micro-probe 23 and serves the menu choice, whereas the touch panel 37 is associated with the micro-probe 24 and is used for setting.
  • red LEDs 15 are used to display the current time.
  • One of these forty-eight red LEDs will always light one, according to the current time.
  • the correct time is between 02:00 clock and 02:30 clock clock with correct time.
  • the row of green light emitting diodes 14, which forms the inner light emitting diode ring, indicates the switching times of the clock, while the light emitting diodes, which represent the switched-on times of the pump, the remaining green LEDs are not lit.
  • the keypad 36 is first to operate, after which connected to the network pump until then glowing display panel 29, which symbolizes the operating state "off", the luminous goes to the non-illuminated state and the display panel 31 lights, which the Continuous operation of the pump symbolizes. If the keypad 36 is pressed again, the keypad 32, which symbolizes the setting mode lights up. When pressed again, the keypad 30 lights, which symbolizes the timer operation, etc.
  • the current time can first be set by means of the touchpad 37.
  • the red light emitting diodes 15 starting from the top next to the recess 12 successively follow, each time the button a previous LED goes out 15 and a subsequent lights up, similar to an analog clock whose pointer is rotated by 360 °.
  • the flashing red LED 15 corresponds to the current time in the 24-hour mode, this is confirmed by means of the touch panel 35, after which the green LEDs 14 of the inner ring can be sequentially controlled by further pressing the touch panel 37.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Clocks (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Claims (15)

  1. Groupe motopompe avec une pompe centrifuge, un moteur électrique entraînant celle-ci et comportant une commande de temps pour le moteur et avec une indication de temps (26) qui est conformée pour la représentation de l'heure de la journée et l'heure de commutation pouvant être ajustée, caractérisé en ce que l'indication de temps (26) est formée par un nombre de moyens lumineux (14, 15) et qu'à chaque moyen lumineux (14, 15) est associé une heure et en ce que deux rangs de moyens lumineux (14, 15) sont disposés l'un à côté de l'autre, un rang (15) étant prévu pour l'indication de l'heure de la journée et l'autre rang (14) étant prévu pour l'indication de l'heure de commutation pouvant être ajustée.
  2. Groupe motopompe selon la revendication 1, caractérisé en ce que les deux rangs de moyen lumineux (14, 15) présentent des couleurs différentes.
  3. Groupe motopompe selon l'une des revendications précédentes, caractérisé en ce que les moyens lumineux (14, 15) sont disposés en rangs annulaires et que chaque anneau de moyens lumineux représente 24 heures ou 12 heures conformément à une horloge analogue.
  4. Groupe motopompe selon l'une des revendications précédentes, caractérisé en ce que les moyens lumineux (14, 15) sont formés par des diodes électroluminescentes.
  5. Groupe motopompe selon l'une des revendications précédentes, caractérisé en ce que le groupe motopompe comprend au moins aux alentours du moteur un boîtier (4, 5) de section transversale ronde qui se termine du côté éloigné de la pompe par une paroi frontale plane (7) et que l'indication de temps (26) est disposée sur la paroi frontale (7).
  6. Groupe motopompe selon la revendication 5, caractérisé en ce que la commande de temps comprend des éléments de commande (35, 36, 37) qui sont disposés sur la paroi frontale (7).
  7. Groupe motopompe selon l'une des revendications 5 ou 6, caractérisé en ce que la paroi frontale (7) est une partie d'un boîtier de commande et de raccordement (5) qui est adjacent, en direction axiale, au boîtier de moteur (4) et entoure une platine (13) qui porte les moyens lumineux (14, 15, 18 - 21) et les éléments de commande (22 - 24), et en ce que des évidements (16, 17, 28) sont prévus dans la paroi frontale pour les moyens lumineux (14, 15, 18 - 21) ou des guides de lumière y raccordés et sur la platine (13) pour les éléments de commande (22 - 24).
  8. Groupe motopompe selon l'une des revendications 5 à 7, caractérisé en ce que la paroi frontale (7) est terminée vers l'extérieur par un film (8) pourvu de marquages.
  9. Groupe motopompe selon la revendication 6, caractérisé en ce que les éléments de commande sont formés par des micro-contacteurs (22-24).
  10. Groupe motopompe selon l'une des revendications précédentes, caractérisé en ce que des marquages pour le temps (26) sont prévus qui sont disposés de manière annulaire autour d'un anneau de moyens lumineux.
  11. Groupe motopompe selon l'une des revendications 6 à 10, caractérisé en ce que les éléments de commande (22 - 24) sont disposés à l'intérieur des anneaux de moyens lumineux (14, 15).
  12. Groupe motopompe selon l'une des revendications 6 à 11, caractérisé en ce que les éléments de commande sont formés par un contacteur (23) pour le choix d'un menu, un contacteur (23) pour la confirmation et un contacteur (24) pour le réglage du temps.
  13. Groupe motopompe selon l'une des revendications précédentes, caractérisé en ce que dans le choix d'un menu, au moins trois états de fonctionnement sont réglables, à savoir fonctionnement continu, fonctionnement commandé dans le temps et fonctionnement par commutation, de préférence, un moyen lumineux individuel (20 - 22) étant attribué à chaque état de fonctionnement.
  14. Groupe motopompe selon l'une des revendications précédentes, caractérisé en ce qu'un élément de commande commun (37) est prévu pour le réglage de l'heure de la journée et l'heure de commutation.
  15. Groupe motopompe selon l'une des revendications précédentes, caractérisé en ce qu'une autre commande de temps, à savoir une seconde commande de temps subordonnée à la première commande de temps, est prévue qui arrête le moteur de la pompe par intervalles pendant le temps d'allumage de la première commande de temps supérieure.
EP11179202.4A 2011-08-29 2011-08-29 Groupe motopompe Active EP2565461B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP11179202.4A EP2565461B1 (fr) 2011-08-29 2011-08-29 Groupe motopompe
CN201210292296.XA CN102966566B (zh) 2011-08-29 2012-08-16 泵机组
US13/586,943 US9512844B2 (en) 2011-08-29 2012-08-16 Pump assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11179202.4A EP2565461B1 (fr) 2011-08-29 2011-08-29 Groupe motopompe

Publications (2)

Publication Number Publication Date
EP2565461A1 EP2565461A1 (fr) 2013-03-06
EP2565461B1 true EP2565461B1 (fr) 2016-08-17

Family

ID=44772735

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11179202.4A Active EP2565461B1 (fr) 2011-08-29 2011-08-29 Groupe motopompe

Country Status (3)

Country Link
US (1) US9512844B2 (fr)
EP (1) EP2565461B1 (fr)
CN (1) CN102966566B (fr)

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Also Published As

Publication number Publication date
US9512844B2 (en) 2016-12-06
EP2565461A1 (fr) 2013-03-06
US20130052039A1 (en) 2013-02-28
CN102966566A (zh) 2013-03-13
CN102966566B (zh) 2016-09-07

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