EP3649075A1 - Distributeur de carburant avec moteur à deux vitesses et son procédé de fonctionnement - Google Patents
Distributeur de carburant avec moteur à deux vitesses et son procédé de fonctionnementInfo
- Publication number
- EP3649075A1 EP3649075A1 EP18734264.7A EP18734264A EP3649075A1 EP 3649075 A1 EP3649075 A1 EP 3649075A1 EP 18734264 A EP18734264 A EP 18734264A EP 3649075 A1 EP3649075 A1 EP 3649075A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- speed
- pump
- motor
- poles
- 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
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims description 11
- 239000002828 fuel tank Substances 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims description 20
- 230000037452 priming Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000011017 operating method Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011022 operating instruction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/04—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/58—Arrangements of pumps
- B67D7/62—Arrangements of pumps power operated
- B67D7/66—Arrangements of pumps power operated of rotary type
Definitions
- the present invention relates to a fuel dispenser comprising a two-speed motor and its method of operation.
- fuel dispensers encountered at service stations include a pump unit for drawing fuel into a storage tank.
- the pumping unit comprises a pump driven by an electric motor and is in most cases connected to two distribution lines.
- Each distribution line includes a fuel flow meter measuring the volume of fuel delivered and a flexible hose equipped with a dispensing nozzle operated by the user to fill the tank of his vehicle.
- the pump is a gear or paddle type suction pump and usually operates at a constant speed.
- the distribution line must continue to deliver a maximum flow of 40 l / min to comply with the standards in force.
- the pumping unit comprises a bypass circuit called bypass circuit comprising a bypass valve in which the unused excess flow is rolled in a closed circuit to off the pumping unit of this excessively large flow rate.
- bypass circuit comprising a bypass valve in which the unused excess flow is rolled in a closed circuit to off the pumping unit of this excessively large flow rate.
- the primary function of this bypass circuit is to protect the pump from an overpressure that can destroy the pump.
- the electric power consumption of the motor is maximum during the entire operation of the pump whereas the actual flow rate needed is often much less when only one gun is activated. 50% of the flow is then only useful. This lower requirement represents more than 80% of the pump's operating time.
- a control system transmits a frequency instruction to the frequency converter for the latter to rotate the electric motor at a frequency to obtain a flow rate of about 40 l / min.
- control system transmits a frequency setpoint to the frequency converter for the latter to rotate the electric motor at a higher frequency to obtain a flow rate of about 80 l / min.
- the present invention aims to overcome this disadvantage by providing a fuel dispenser consuming less electrical energy than those of the prior art.
- the invention relates to a fuel dispenser comprising a pumping unit comprising an electric motor driving a pump for sucking fuel from a fuel tank.
- the pumping unit is connected to two fuel distribution lines each having a flow meter connected to a hose equipped with a gun for delivering fuel into a vehicle tank.
- the electric motor is a two-speed motor predetermined supplying the pump two rotational speeds including a small speed V1 intended to provide a small flow of fuel D1 output of the pump unit when a single gun delivers fuel and high speed V2 intended to provide a large flow of fuel D2 at the outlet of the pumping unit when two guns deliver fuel.
- the two speeds V1 t V2 are therefore fixed and predetermined.
- the two-speed motor is electrically connected to a controller controlling the speed of the electric motor according to the number of guns activated.
- the two-speed motor is an asynchronous motor operating with a variable number of poles.
- the fuel dispenser comprises a switching means controlled by the controller and for switching from a number of X poles to a number of Y poles.
- the two-speed motor operates in 4 poles or 8 poles so as to obtain the fixed speeds V 2 or V 1, respectively.
- the invention thus provides a fuel dispenser that consumes 30% less electrical energy per electric motor than conventional fuel dispensers for approximately more than 80% of the fuel dispenser operating time.
- the noise level of the service station is also controlled by reducing the speed of the pump and therefore the maximum fuel flow during critical periods (night or high heat).
- the frequency converters take up space because of the radiators on the thyristors.
- the use of double-coil motors reduces the space requirement inside the hydraulic compartment, produces fewer calories and less electrical interference.
- the fuel distributor comprises a state detector of the pump connected to the controller.
- the pump status sensor transmits a signal to the controller informing it whether a cavitation state or a non-priming state of the pump is detected.
- the controller transmits by means of switching a set signal to switch the two-speed motor in high speed V2 if its initial speed was V1.
- the state detector of the pump is an ammeter measuring the intensity consumed by the two-speed motor.
- the controller transmits to the switching means a setpoint signal to switch the speed to V2.
- an increase in the speed of the two-speed motor optimizes suction operation under high pressure and temperature conditions. This makes it possible to maintain the highest possible fuel flow when a fuel distribution line is used.
- the invention also relates to a method of operating a fuel dispenser as described above and comprising a step of stalling a first pistol for delivering fuel into a first vehicle.
- the method comprises the following steps:
- the operating method comprises the following steps:
- the switching means providing a rotation speed V2, greater than V1, if a single gun is off the hook, if the speed of rotation of the two-speed motor is initially at V1 and if the intensity of the current consumed by the two-speed motor is less than a threshold value,
- switching of the two-speed motor to a number of X poles by the switching means providing the rotational speed V1 if a single gun is unhooked and if the intensity of the current consumed by the two-speed motor is greater than or equal to threshold value.
- the operating method of the fuel dispenser comprises a silent mode in which the speed of rotation of the two-speed motor is limited to the speed V1 for a predetermined duration T irrespective of the intensity of the current consumed by the motor. at two speeds.
- FIG. 1 The characteristics of the invention will be described in more detail with reference to the appended nonlimiting FIG. 1:
- FIG. 1 shows schematically a fuel dispenser according to the invention.
- Figure 1 shows a fuel dispenser 1 comprising a pump unit 2 comprising an electric motor 3 driving a pump 4 for sucking fuel from a fuel tank.
- the electric motor 3 drives the pump 4 via two pulleys 12 and a transmission belt 13.
- the transmission between the electric motor 3 and the pump 4 can be direct also.
- the pump 4 may be a paddle or gear pump.
- the pumping unit 2 is connected to two fuel distribution lines 5 each having a flow meter 6 connected to a hose 7 equipped with a gun 8 for delivering fuel into a vehicle tank.
- the electric motor 3 is a two-speed motor 3 supplying the pump with two rotational speeds including a small speed V1 intended to provide a small fuel flow D1 at the outlet of the pumping unit 2 when only gun 8 delivers fuel and a high speed V2 intended to provide a large flow of fuel D2 at the output of the pump unit 2 when two guns 8 deliver fuel.
- the two-speed motor 3 is electrically connected to a controller 9 controlling the speed of the electric motor 3 according to the number of guns 8 activated.
- the controller 9 is preferably arranged in the electronic head 14 of the fuel distributor 1.
- the two-speed motor 3 is an asynchronous motor operating with a variable number of poles.
- the fuel distributor 1 comprises a switching means 10 controlled by the controller 9 and making it possible to switch from a number of X poles to a number of Y poles, X being less than Y.
- the switching means 10 is a contactor, for example example.
- the two-speed motor 3 operates in 4 poles or 8 poles so as to obtain respectively the fixed speeds V2 and V1, the speed V2 being greater than the speed V1.
- X is therefore equal to 4 and Y is equal to 8.
- the two-speed motor 3 may be a 4/6 pole motor, X being equal to 4 and Y being equal to 6.
- the electric motor 3 drives the pump 4 of the pump unit 2 which is configured to deliver a fuel flow of about 40 l / min.
- the sound volume is then about 65 dB.
- the two-speed motor 3 having switched in 4 poles, its rotational speed is about 1500 revolutions / min.
- the electric motor 3 drives the pump 4 of the pump unit 2 which is configured to deliver a fuel flow of about 80 l / min, ie a flow rate of 40 l / min for each of the two fuel distribution lines 5 .
- the sound volume is then about 75 dB.
- the power consumption of the two-speed motor 3 is reduced by about 30% for more than 80% of the time for which a single gun 8 is activated.
- the noise level of the service station is also controlled by a reduction in the speed of rotation of the two-speed motor 3.
- the two-speed motor 3 can be a 4/8 pole motor.
- This engine comprises a ratio 1 to 2. When switched to 4 poles, it provides a rotation speed of 1500 rpm. When switched to 8 poles, it provides a rotation speed of 750 rpm.
- It can be powered under a single voltage of 230V or 400V. It includes two windings per phase that can be coupled in parallel to obtain the maximum speed with 4 poles or in series to obtain a speed divided by two with 8 poles.
- the two-speed motor 3 When a first pistol 8 is unhooked and actuated, the two-speed motor 3 operates with 8 poles. The speed of rotation of the two-speed motor 3 is of the order of 750 revolutions / min, corresponding to the speed V1. The pumping unit 2 can then deliver a maximum fuel flow D1 of about 40 l / min in the tank of a first vehicle. When a second gun 8 is unhooked and actuated, the two-speed motor 3 operates with 4 poles. The speed of rotation of the two-speed motor 3 is of the order of 15,000 revolutions / min, corresponding to the speed V2.
- the pumping unit 2 can then deliver a maximum fuel flow D2 of about 80 l / min resulting in a flow rate of 40 l / min for each fuel distribution line 5.
- Each tank of the two vehicles arranged on both sides Other fuel dispenser 1 can be filled with a maximum fuel flow of 40 l / min.
- the detection of the number of off-guns is carried out by known means such as a magnetic detector placed in the gun rest (bag) which is fixed on the fuel distributor, for example.
- a magnet positioned on the gun allows the magnetic detector to detect the presence or absence of the gun in the gun rest. This information is transmitted to the controller 9.
- the power consumption of the two-speed motor 3 is reduced by about 50% for more than 80% of the time for which a single gun 8 is activated.
- the two rotational speeds of the two-speed motor 3 V1 and V2 are fixed and predetermined in advance.
- fuel evaporation may occur in the suction line connecting the fuel storage tank and the pump unit 2, generating a vapor / liquid fuel mixture. rich in fuel vapors.
- an increase in the speed of the two-speed motor 3 makes it possible to optimize the suction operation under the conditions of high pressure and high temperature. This makes it possible to maintain the highest fuel flow possible when a fuel distribution line 5 is used.
- the increase in the rotational speed of the pump 4 has the effect of reducing the cavitation phenomenon.
- the gas-rich phase is sucked up more quickly.
- the fuel distributor 1 comprises a state detector of the pump 1 1 connected to the controller 9.
- the state detector of the pump 1 1 detects whether the pump has a cavitation problem or if it is not primed during its startup.
- the state detector of the pump 1 1 transmits a signal to the controller 9 informing it if a state of cavitation or a state of non-priming of the pump 4 is detected.
- the cavitation state also includes the presence of gas pockets.
- the controller 9 transmits to the switching means 10 a setpoint signal to switch the two speed motor 3 in high speed V2 if its initial speed was V1.
- the state detector of the pump 1 1 measures the intensity consumed by the two-speed motor 3.
- the controller 9 transmits by means of switching a set signal to switch the speed to V2.
- the state detector of the pump 1 1 may be an ammeter.
- the state detector of the pump 1 1 may include an ammeter associated with a voltmeter so as to measure a consumed electrical power.
- the threshold value of the intensity may correspond to an average of the intensity measured when the pumping unit 2 is operating normally, without cavitation and with a primed pump 4.
- the pump 4 When the pump 4 is operating normally, it consumes more electrical energy than in the case where it is cavity or is not primed. The intensity consumed is therefore higher in normal operation.
- the state detector of the pump 1 1 may alternatively be a spectral analyzer analyzing the spectrum of the power or intensity consumed by the two-speed motor 3. The measured spectrum is compared with a reference spectrum corresponding to a normal operation, without cavitation and with a pump 4 primed.
- the state detector of the pump 1 1 may alternatively be a pressure sensor or a sound sensor detecting vibration frequencies specific to cavitation. The phenomenon of cavitation causes additional vibrations.
- the speed V2 is maintained as long as the measured intensity does not rise above the threshold value.
- the controller 9 transmits to the switching means 10 a setpoint signal to switch the two-speed motor 3 to 8 poles providing the speed V1, if a single gun 8 is activated.
- a method of operation of the fuel dispenser 1 is described below.
- the two-speed motor 3 starts at low speed V1. It therefore works with 8 poles or 6 poles depending on the choice of the two-speed motor 3.
- the measurement of the current by the state detector of the pump 1 1 makes it possible to control whether the pump 4 is primed or not.
- the controller 9 transmits to the switching means 10 a setpoint signal to switch the motor in 4 poles (speed V2) until the boot. This speeds up the priming operation and maintains the highest possible dry vacuum.
- the operating method comprises a silence mode in which the speed of rotation of the two-speed motor 3 is limited to the speed V1 for a predetermined duration T irrespective of the intensity of the current consumed by the two-speed motor 3.
- This duration may correspond to a time slot corresponding to the night in the city center during which the noise of the fuel dispenser 1 must be minimized.
- the duration T may alternatively be programmed during the summer during periods of high heat during the day, limiting the risk of cavitation.
- the duration T can be programmed directly in the fuel dispenser 1 or in the central control station of the service station.
- Silence mode is maintained even if the two guns 8 are unhooked.
- the speed V2 is maintained after ignition when the two guns 8 are activated.
- the invention makes it possible to reduce the electrical energy consumption of the motor by about 30% if a 4/6 pole motor is used or by 50% for a 4/8 pole motor for more than 80% of the time. operating the fuel dispenser 1.
- the noise level of the service station is also controlled by reducing the speed of the pump and therefore the maximum fuel flow during critical periods (night in the city center or high heat).
- the priming time of the pump 4 is also optimized.
- the maximum fuel flow of the service station remains optimal under the conditions that allow it (day or normal temperature).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Fuel-Injection Apparatus (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1756415A FR3068687B1 (fr) | 2017-07-07 | 2017-07-07 | Distributeur de carburant avec moteur a deux vitesses et son procede de fonctionnement |
PCT/EP2018/068144 WO2019008066A1 (fr) | 2017-07-07 | 2018-07-04 | Distributeur de carburant avec moteur à deux vitesses et son procédé de fonctionnement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3649075A1 true EP3649075A1 (fr) | 2020-05-13 |
EP3649075B1 EP3649075B1 (fr) | 2021-04-21 |
Family
ID=60182684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18734264.7A Active EP3649075B1 (fr) | 2017-07-07 | 2018-07-04 | Distributeur de carburant avec moteur a deux vitesses et son procédé de fonctionnement |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP3649075B1 (fr) |
CN (1) | CN110869311B (fr) |
AU (1) | AU2018297616B2 (fr) |
BR (1) | BR112020000306A2 (fr) |
ES (1) | ES2881313T3 (fr) |
FR (1) | FR3068687B1 (fr) |
PT (1) | PT3649075T (fr) |
WO (1) | WO2019008066A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3116566B1 (fr) * | 2020-11-25 | 2022-10-28 | Safran Aircraft Engines | Dispositif d’actionnement de pompe, système de pompage, aéronef et procédé d’alimentation en carburant associés |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59001502D1 (de) * | 1990-02-07 | 1993-06-24 | Scheidt & Bachmann Gmbh | Zapfvorrichtung zur ausgabe fluessiger kraftstoffe. |
CN2379528Y (zh) * | 1998-10-28 | 2000-05-24 | 余强 | 变压调速式全自动给水设备 |
US9249790B2 (en) * | 2010-06-22 | 2016-02-02 | Franklin Fueling Systems, Inc. | Apparatus and methods for conserving energy in fueling applications |
CN106672884A (zh) * | 2016-12-28 | 2017-05-17 | 雷天动力设备(苏州)有限公司 | 一种基于变频技术的油箱加油装置 |
-
2017
- 2017-07-07 FR FR1756415A patent/FR3068687B1/fr active Active
-
2018
- 2018-07-04 CN CN201880045501.8A patent/CN110869311B/zh active Active
- 2018-07-04 EP EP18734264.7A patent/EP3649075B1/fr active Active
- 2018-07-04 ES ES18734264T patent/ES2881313T3/es active Active
- 2018-07-04 AU AU2018297616A patent/AU2018297616B2/en active Active
- 2018-07-04 WO PCT/EP2018/068144 patent/WO2019008066A1/fr unknown
- 2018-07-04 BR BR112020000306-9A patent/BR112020000306A2/pt active IP Right Grant
- 2018-07-04 PT PT187342647T patent/PT3649075T/pt unknown
Also Published As
Publication number | Publication date |
---|---|
CN110869311A (zh) | 2020-03-06 |
CN110869311B (zh) | 2022-01-07 |
FR3068687A1 (fr) | 2019-01-11 |
PT3649075T (pt) | 2021-07-06 |
FR3068687B1 (fr) | 2020-07-17 |
AU2018297616B2 (en) | 2023-10-19 |
AU2018297616A1 (en) | 2020-01-30 |
WO2019008066A1 (fr) | 2019-01-10 |
BR112020000306A2 (pt) | 2020-09-24 |
EP3649075B1 (fr) | 2021-04-21 |
ES2881313T3 (es) | 2021-11-29 |
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