EP1085206A1 - Station de pompage avec pompe à piston oscillant - Google Patents

Station de pompage avec pompe à piston oscillant Download PDF

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Publication number
EP1085206A1
EP1085206A1 EP99118208A EP99118208A EP1085206A1 EP 1085206 A1 EP1085206 A1 EP 1085206A1 EP 99118208 A EP99118208 A EP 99118208A EP 99118208 A EP99118208 A EP 99118208A EP 1085206 A1 EP1085206 A1 EP 1085206A1
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EP
European Patent Office
Prior art keywords
pump
piston pumps
oscillating piston
pumps
module
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.)
Withdrawn
Application number
EP99118208A
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German (de)
English (en)
Inventor
Manfred Zucht
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP99118208A priority Critical patent/EP1085206A1/fr
Publication of EP1085206A1 publication Critical patent/EP1085206A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids

Definitions

  • the present invention relates to a pump assembly comprising a plurality of vibrating piston pumps.
  • Vibratory piston pumps as such are well known, for example to DE 91 14 384 U1, DE 195 42 914 A1, DE 94 11 449 U1, DE 93 07 063 U1 and DE 43 15 602 A1 referenced.
  • a control device to control the pumping power of a vibrating piston pump known for example from DE 43 08 437 C1.
  • the vibrating piston pump is designed in this way be that at least partially magnetizable, in the cylinder slidably mounted pistons under the preload of a spring arrangement stands. If the coil is excited by an appropriate current flow, so is the piston by the magnetic forces exerted on the piston against the bias of the spring assembly from a first to a second sliding position shifted and then returns after de-excitation Coil by the spring force of the spring assembly in the first sliding position back.
  • the easiest way to control the coil is Control with alternating current via a diode, so that the coil only every other half wave is magnetized. At an AC frequency of 50 Hz then there are 50 pump strokes per second.
  • the Pump station has a control section over which all oscillating piston pumps the pump station are controllable.
  • the control section can for example based on the teaching of DE 43 08 837 C1. But it is also possible, simple, every second half-wave of an alternating current, if necessary Mains AC, to provide suppressing diodes. But it is in any case preferred that the oscillating piston pumps by means of the control section not only can be switched on and off, but also in terms of their output is controllable.
  • the pump station according to the invention (with or without a common control section) is easy for the user manageable unit provided that he can use flexibly to to perform different tasks.
  • Pumps can be connected in parallel or in series to an increased Delivery capacity or an increased delivery pressure.
  • a bigger one Modification of an arrangement containing the pump station is then not necessary, it only requires a corresponding connection of the individual Pumping the pump station.
  • having a plurality of oscillating piston pumps This is particularly important with regard to a short expenditure of time advantageous.
  • the pump station according to the invention is preferred for use as Multi-channel peristaltic pump determined and trained.
  • the vibrating piston pumps can be in groups or all together a housing must be installed. It is also proposed that the oscillating piston pumps in groups or all together in a casting compound block are cast in, preferably as a potting compound Heat dissipating material is used.
  • the pump station has heat dissipation means to prevent overheating counteracting the oscillating piston pumps.
  • the heat dissipation means can ventilation slots in a housing, a fan, a heat exchanger in the case of heat dissipation via a cooling liquid, in particular include water, and / or a Peltier element.
  • the pump station has a modular structure, preferably such that the number of integrated in the pump station Vibrating piston pumps by adding or removing each pump modules comprising at least one oscillating piston pump is variable.
  • the pump modules can have electrical connection contacts, for example electrical plug contacts, and / or heat conduction connecting elements, for example heat conduction connectors, have and for integration into the pump station under connection the at least one oscillating piston pump of the respective pump module to the common power supply or the control section and, if necessary, by establishing a heat dissipation connection in a housing can be plugged in and / or plugged together.
  • the pump station can be used particularly flexibly and can be added by adding additional pump modules or by changing pump modules to changed ones Operating conditions or requirements are adapted.
  • At least one group of vibrating piston pumps if applicable, the oscillating piston pumps of a pump module for Provision of an increased output to a common Suction port and a common discharge port in parallel are connected.
  • This can be based on an oscillating piston type given pump power an increased pump power provided become.
  • the group's vibrating piston pumps are preferred in pairs to the power supply or the control section connected that their suction phases and accordingly their delivery phases are staggered in time. Most preferably is the time offset such that at the common delivery port an approximately equidistant sequence of delivery pulses of the individual oscillating piston pumps as a discharge flow with reduced Pulsation is delivered.
  • the simplest case would be the case of two Pumps with different half-waves of an alternating current work.
  • At least one group of vibrating piston pumps if necessary, the oscillating pistons of a pump module, for provision an increased delivery pressure to a common suction port and a common discharge port connected in series are.
  • the group's vibrating piston pumps are used in the Connect the rule to the power supply or control section in such a way that both their suction phases and their discharge phases are different at least overlap in time.
  • the present invention also relates to a pump module for a pump station as described above.
  • the pump module according to the invention comprises at least one oscillating piston pump and is under Connect the oscillating piston pump to the common power supply or the control section and, if necessary, producing a Heat dissipation connection can be integrated into the pump station.
  • the pump module is configured as described above with respect to a single vibrating piston pump, a group of vibrating piston pumps or a pump module was specified.
  • Fig. 1 shows a pump arrangement from four oscillating piston pumps, the are integrated into a pump station 10.
  • the four oscillating piston pumps themselves are constructed conventionally and point you out and back moving pump piston, which by a spring arrangement in is biased in one direction and by one generated by means of a coil Magnetic field shifted against the bias of the spring assembly becomes. More detailed explanations of how an individual works Vibrating piston pumps of this type are not required here; it can be referred to the above-mentioned prior art.
  • the pump station has a cuboid housing 12 in which the four oscillating piston pumps are installed. From any vibrating piston pump can be seen a suction port 14, 16, 18 and 20, respectively extends from the housing 12, and - due to the perspective Representation - an assigned one for only two of the oscillating piston pumps Dispensing port 22 and 24. Of course, the two also point other pumps have a corresponding delivery port.
  • the suction connections and the discharge connections are as hose connections executed and for vibration damping by a respective rubber sleeve 26 guided in an associated housing opening.
  • the rubber sleeves ensure that vibrations or oscillations of the oscillating piston pumps only be transferred to the housing in a dampened state. On the Rubber sleeves can also be omitted, especially if when the vibrating piston pumps of a pump station are in a common Housing or the like are cast.
  • the pump station 10 has a common power supply for the Vibrating piston pumps of the pump station, from which in Fig. 1 Connection cable 28 can be seen.
  • a fuse holder can be seen in which a fuse is used, by means of which the vibrating piston pumps, more precisely their Solenoid coils are protected against excessive currents.
  • An alarm lamp 32 in particular an alarm LED, shows the failure of a vibrating piston pump on and can be coupled with an acoustic alarm.
  • a toggle switch 34 is used to turn on and common Switch off all oscillating piston pumps. In addition, you can switches assigned to a single oscillating piston pump be provided in order to turn the vibrating piston pumps on and off individually to be able to switch off.
  • a knob 35 of a flow control device for example one in series with the coils of the oscillating piston pumps switched potentiometer, is used by the oscillating piston pumps stop delivering the quantities together.
  • a twist of the Knob 35 thus leads to an increase or decrease in Flow rate of each oscillating piston pump.
  • separate, Flow regulator assigned to only one single oscillating piston pump with appropriate controls, especially knobs, be provided to individually for each vibrating piston pump to be able to set the respective delivery rate.
  • the pump station housing 12 has ventilation holes 38 through which the heat generated by the oscillating piston pumps during operation is dissipated becomes.
  • a fan can be placed in the housing be integrated.
  • ventilation holes 38 can of course ventilation slots may also be provided.
  • additional heat dissipation measures can do, in particular if the medium transported by the oscillating piston pumps dissipates enough heat itself. In the case of pumps with high Pumping power is preferred, however, additional heat dissipation measures to meet, for example the ventilation holes 38 in the case of Embodiment of FIG. 1, possibly with an associated, in the housing integrated fan, and / or a coolant supply for one liquid coolant, such as water, with an appropriate heat exchanger arrangement inside the housing 12.
  • the housing 12 can deviate from the illustration in FIG a handle or other holding elements to be provided To make the pump station particularly easy to handle.
  • the housing can also have a mounting surface for attaching a nameplate.
  • the direction of flow is the pumps from right to left, for example from the suction connection 14 to the discharge connection 22.
  • the Flow directions can also be reversed or pumps the Pump station have different flow directions.
  • FIG. 2 Another embodiment of a pump station according to the invention 110 is shown in FIG. 2.
  • the pump station 110 has a modular structure and includes a control module 140 with one for all pumps of the station common on / off switch 134, a control lamp 142 and one Knob 135, which belongs to a quantity control device that applies to all Pumping the pump station works together.
  • a control module 140 With the control module 140 the common power supply for all vibrating piston pumps of the Integrated station; a connecting cable section 128 is closed see.
  • FIG. 2 shows a pump module 144, the two Has oscillating piston pumps.
  • the suction connection designed as a hose connection 114 and 116 can be seen, as well as an assigned on / off switch 146 or 148, a control lamp 150 or 152 and a rotary knob 154 or 156 of a respective quantity control device.
  • the switches 146, 148 and the quantity control devices having the rotary knobs 154, 156 the vibrating piston pumps can be controlled individually, the respective operating state of the individual oscillating piston pump cumulatively on the one hand via the control means of the control section 140 and on the other hand, individually assigned to the oscillating piston pump Control means of the pump module 144 is determined.
  • the control module 140 and the pump module 144 and others, in FIG. 2 Pump modules, not shown, are designed such that they simply plug them together, the pump module 144 and possibly further pump modules between the control module 140 and one Termination module 161 is or are arranged.
  • Fig. 1 shows the control module 140, the pump module 144 and the termination module 161 disassembled.
  • the individual Modules include the control module 140 and the pump modules, such as that Pump module 144, plug contacts 158 and coolant plug connections on one side 160 on.
  • the final module has this 161 and the pump modules, such as the pump module 144, on the other hand, to contacts 158 and connections 160 complementary contact sockets or connections that plug together of the individual modules, so that a total cuboid pump station results.
  • Mechanical holding means may be provided, for example Screws for screwing adjacent modules. Across from a screw connection is a snap connection between the adjacent modules preferred.
  • the termination module 161 only serves the electrical connection contacts 158 of the rightmost pump module to the outside and a coolant connection between the two connections 160 manufacture this module so that within the pump station 110 a coolant circuit is formed.
  • FIG. 3 the one corresponding to the embodiment of FIG. 2 Pump station shows, in addition to the control module 140, the pump module 144 and the final module 161 two further pump modules 164 and 166 are provided.
  • Fig. 3 shows the pump station in a state in which the plug connections between the individual Modules are made. In Fig. 3 the individual modules are only through Dashed lines shown separately from each other, with a Playback of the plug connections was dispensed with.
  • the control section 140 has a first terminal 170 and one second terminal 172 of an AC connection. To the first terminal 170 are on the on / off switch 134 and Control lamp 142 two diodes 174 and 176 with opposite Polarity connected.
  • Diodes 180 and 182 connected with opposite polarity.
  • the four diodes 174, 176, 180 and 182 extend four lines 184, 185, 186 and 187, each in one of the plug contacts 158 of the Control module 140 end.
  • the pump module 144 connected to the control module 140 has one first oscillating piston pump 190 and a second oscillating piston pump 192 on.
  • the vibrating piston pumps 190 and 192 are above that Switches 146 and 148, the indicator lights 150 and 152 and one Rotary knob 154 or 156 assigned to potentiometer 194 or 196 assigned to the plug contacts 158 of the control section 140 Sockets of the pump module 144 connected to the oscillating piston pump 190 a connection between the line 184 and the Line 186 and the oscillating piston pump 192 establish a connection between line 185 and line 187.
  • Diodes 174 and 180 are switched such that they only have the positive half-waves pass an AC voltage applied to terminal 170 (es assuming that terminal 172 is grounded) and the Diodes 176 and 182 are connected such that they are only one at a time negative half-wave of the AC voltage applied to terminal 170 let through.
  • a current flows through it the diode 174, the line 185, the coil arrangement of the vibrating piston pump 192, line 187 and diode 180, and in the case of one negative half-wave flows through an oppositely directed current the diode 176, the line 184, the coil arrangement of the vibrating piston pump 190, line 186 and diode 182.
  • each Circuit would also use a single diode instead of the one in series Diodes 176 and 182 on the one hand or the series connected Diodes 174 and 180, on the other hand, are sufficient.
  • the strength of the current flowing in the respective circuit and accordingly the strength of the through the coil arrangement of the vibrating piston pump 190 or 192 generated magnetic field depends on the one hand on the Position of the potentiometer 178 and on the other hand from the position of the Potentiometers 194 and 196 respectively.
  • the potentiometers are each like this connected that the sliding contact of the potentiometer with one of the other terminals of the potentiometer is connected so that the Resistance of the potentiometer by setting the Sliding contact partially or completely, depending on the rotary position of the assigned knob, can be bridged.
  • the two oscillating piston pumps 190 and 192 work due to the described connection via the diodes at terminals 170 and 172 with different half waves of the over the terminals 170, 172 supplied alternating current. Accordingly, those of delivered to the two pumps at their discharge ports 194 and 196 Funding pulses offset in time (denote 114 and 116 the suction ports of the oscillating piston pumps; the suction connections and delivery ports are each only one in FIG. 3 Section of a line connection 200, 202, 204 or 206 for the promotional medium).
  • the pump module 164 instead of the delivery-side delivery lines 200 and 204 both from the module to form the discharge connection 194 and 196 are to be brought out in the case of the pump module 164, the delivery-side delivery lines 200 ' and 204 'merged within the module and is then only that Delivery line 204 'to form a delivery port 196' from the Pump module led out.
  • the suction side Delivery lines 206 'and 202' merged within the pump module and is only the delivery line 202 'for forming the suction port 114 'led out of the module 164.
  • the two Vibrating piston pumps 190 'and 192' of module 164 are therefore parallel switched.
  • the two vibrating piston pumps 190 'and 192' with different half-waves will be on the delivery side less pulsating flow delivered. It's a double large flow rate possible than from a single pump, such as the Pump 190 or 192 of module 144, can be delivered. Otherwise the pump module 164 is identical to the pump module 144 built up.
  • the pump module 166 also has two oscillating piston pumps 190 " and 192 ". But these are connected to the same circuit and accordingly work with the same half wave of the on Terminals 170, 172 applied AC.
  • the vibrating piston pumps 190 "and 192" are connected in series to a higher discharge pressure to provide.
  • Vibrating piston pumps 190, 190 ', 190 "and 192" electrically parallel are switched and that the oscillating piston pumps 192 and 192 ' are electrically connected in parallel.
  • a coolant circuit is formed which consists of the connectors 160, complementary connection sockets on the other Side of the respective module or the final module 161 and Cooling pipe sections exist within the modules.
  • the coolant circuit is summarily designated and encompassed 210 in FIG. 30 within each pump module one indicated by cable loops 212 Heat exchanger arrangement that is in good thermal contact with the respective pumps stands and overheating of the pumps reliably prevented when there is sufficient coolant through the heat cycle 210 is performed.
  • the coolant can in the case of tap water as a coolant solely through the line pressure through the coolant circuit 210 are performed. But you can also in the control module 140 integrate a separate coolant pump or one Use a piston pump to pump coolant to pass through the coolant circuit 210.
  • FIG. 4 A modification of the control module 140 of the embodiment of FIG Fig. 3 is shown in Fig. 4.
  • the control module 140a shown here has instead of the diode arrangement, a control unit 176a, the half-wave current pulses via lines 184a and 186a on the one hand and the Lines 185a and 187a, on the other hand, to the associated pump modules feeds, the frequency of the half-wave pulses via a rotary switch 177a is adjustable.
  • the control unit 176a could, for example similar to the circuit arrangement known from DE 43 08 837 C1 function. By choosing the frequency of the half-wave current pulses is the delivery rate of the assigned vibrating piston pumps set.
  • control unit 176a becomes alternating current supplied from the terminals 170a and 172a.
  • Man can also form the control unit such that it with direct current can work.
  • Such a control unit 176b is shown in FIG. 5, that with direct current is supplied by the terminals 170b and 172b.
  • control unit 176b becomes direct current alternating current is generated and the control unit 176b then outputs like the control unit 176a
  • Half-wave pulses with an adjustable by the rotary switch 177b Frequency from the lines 184b and 186b on the one hand (half waves a first polarity) and lines 185b and 187b on the other (Half-waves of the opposite polarity) the assigned vibrating piston pumps is fed.
  • control modules 140a and 184b are otherwise like the control module 140b executed so that they are with the pump modules 144, 164 and 166 and the final module 161 can be used.
  • the invention relates to a pump arrangement with a Plurality of vibrating piston pumps. It is suggested that the Vibrating piston pumps are integrated in a pump station, the one has common power supply for the oscillating piston pumps and is manageable as a unit.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
EP99118208A 1999-09-13 1999-09-13 Station de pompage avec pompe à piston oscillant Withdrawn EP1085206A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99118208A EP1085206A1 (fr) 1999-09-13 1999-09-13 Station de pompage avec pompe à piston oscillant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99118208A EP1085206A1 (fr) 1999-09-13 1999-09-13 Station de pompage avec pompe à piston oscillant

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EP1085206A1 true EP1085206A1 (fr) 2001-03-21

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EP99118208A Withdrawn EP1085206A1 (fr) 1999-09-13 1999-09-13 Station de pompage avec pompe à piston oscillant

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012005486A1 (de) * 2012-03-19 2013-09-19 Mtu Friedrichshafen Gmbh Modulare Pumpenanordnung für eine Abgasnachbehandlungseinrichtung
EP3306083A1 (fr) * 2016-10-05 2018-04-11 Cooler Master Co., Ltd. Pompe, ensemble pompe et circuit de refroidissement au liquide
WO2019092429A1 (fr) * 2017-11-13 2019-05-16 Edwards Limited Module pour système de pompe à vide et/ou antipollution
IT201900021636A1 (it) * 2019-11-19 2021-05-19 Sicce S R L Unità dosatrice

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB974087A (en) * 1960-01-26 1964-11-04 Otto Muhlschlegel Improvements in or relating to electromagnetically actuated reciprocating free piston pumps
US3924165A (en) * 1972-02-17 1975-12-02 Jr Carl L Otto Control circuit for sequential energization of plural loads from an AC power source
EP0043939A1 (fr) * 1980-07-16 1982-01-20 CILLICHEMIE Ernst Vogelmann GmbH & Co. Pompe doseuse électromagnétique
US4718832A (en) * 1985-03-11 1988-01-12 Man Design Co., Ltd. Electromagnetic reciprocating pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB974087A (en) * 1960-01-26 1964-11-04 Otto Muhlschlegel Improvements in or relating to electromagnetically actuated reciprocating free piston pumps
US3924165A (en) * 1972-02-17 1975-12-02 Jr Carl L Otto Control circuit for sequential energization of plural loads from an AC power source
EP0043939A1 (fr) * 1980-07-16 1982-01-20 CILLICHEMIE Ernst Vogelmann GmbH & Co. Pompe doseuse électromagnétique
US4718832A (en) * 1985-03-11 1988-01-12 Man Design Co., Ltd. Electromagnetic reciprocating pump

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012005486B4 (de) * 2012-03-19 2015-03-26 Mtu Friedrichshafen Gmbh Modulare Pumpenanordnung
DE102012005486A1 (de) * 2012-03-19 2013-09-19 Mtu Friedrichshafen Gmbh Modulare Pumpenanordnung für eine Abgasnachbehandlungseinrichtung
US10330100B2 (en) 2016-10-05 2019-06-25 Cooler Master Co., Ltd. Pump, pump assembly and liquid cooling system
EP3306083A1 (fr) * 2016-10-05 2018-04-11 Cooler Master Co., Ltd. Pompe, ensemble pompe et circuit de refroidissement au liquide
CN111315987A (zh) * 2017-11-13 2020-06-19 爱德华兹有限公司 用于真空泵送和/或减排系统的模块
WO2019092430A1 (fr) * 2017-11-13 2019-05-16 Edwards Limited Module pour système de pompage et/ou de réduction sous vide
WO2019092429A1 (fr) * 2017-11-13 2019-05-16 Edwards Limited Module pour système de pompe à vide et/ou antipollution
CN111356839A (zh) * 2017-11-13 2020-06-30 爱德华兹有限公司 用于真空泵送和/或减排系统的模块
US11512688B2 (en) 2017-11-13 2022-11-29 Edwards Limited Module for a vacuum pumping and/or abatement system
US11530694B2 (en) 2017-11-13 2022-12-20 Edwards Limited Module for a vacuum pumping and/or abatement system
IT201900021636A1 (it) * 2019-11-19 2021-05-19 Sicce S R L Unità dosatrice
WO2021099991A1 (fr) * 2019-11-19 2021-05-27 Seachem Laboratories, Inc. Unité de dosage
US11808253B2 (en) 2019-11-19 2023-11-07 Seachem Laboratories, Inc. Connection arrangement of modular pump units

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