CN105183014A - Intelligent fuel oil management system and operation method thereof - Google Patents
Intelligent fuel oil management system and operation method thereof Download PDFInfo
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- CN105183014A CN105183014A CN201510255600.7A CN201510255600A CN105183014A CN 105183014 A CN105183014 A CN 105183014A CN 201510255600 A CN201510255600 A CN 201510255600A CN 105183014 A CN105183014 A CN 105183014A
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Abstract
The invention provides an intelligent fuel oil management system and an operation method thereof. The system comprises a cabinet; the cabinet obtains oil from an external oil box and provides the oil to an engine; the cabinet is internally provided with a transfer oil box, a power device, a controller and a meter; the controller comprises a single-chip microcomputer, a liquid level sensor, a relay control module and a duckbill switch; the liquid level sensor is connected with the single-chip microcomputer; the power device comprises a motor and a pump connected with the motor; the motor is controlled by the single-chip microcomputer; the meter is arranged on the motor and connected with the single-chip microcomputer; an oil management device is internally provided with oil pipes; and the oil pipes transmit oil between the oil management device and an external device. Oil can be transmitted between the system and the engine, and residual oil in the transfer oil box can be recovered, an emergency device can supply oil to the engine in emergency, and work safety of the system is ensured.
Description
Technical field
The invention belongs to fuel oil monitoring-testing device technical field, especially relates to the metering of a kind of intelligent fuel for diesel engine or internal combustion engine and management system and method for operating thereof.
Background technology
At present, China harbour and take fuel oil as the construction machinery of energy production, such as: the fuel that carrying truck, trailer, crane etc. use is based on diesel oil.Along with harbour and big machinery or shipping use frequent enterprise, the improving constantly of harbour management level, scientifical use and the making full use of of plant equipment of the energy are placed on the agenda.Along with shortage and the environmental pollution aggravation day by day of the energy; and country progressively improves for the requirement of energy-saving and emission-reduction; these factors all strengthen the fine-grained management to the energy in the enterprise impelling the energy to consume in a large number; at economize energy; while improving energy utilization rate; also emissions reduction, protection of the environment.
In diesel motor, the fuel oil part extracted by low-lift pump is consumed, and some returns in fuel tank, which results in the difficulty of fuel metering.And the mobile handling machinery of majority comprises truck, shovel loader, excavator etc. all to work under severe operating mode, cause jolting seriously, this difficulty that also result in fuel metering strengthens.In the IC engine oil consumption metering outfit used at present, all adopt flowmeter as metering outfit, and flowmeter must could accurate measurement under constant flow rate, and the fuel consume of diesel motor is nonlinear, fluctuated, therefore use traffic cannot measure to obtain fuel consumption accurately.
Meanwhile, along with the development of application technology, detection technique, intelligent management also will be applied in more neighborhood.Mostly to read fuel consumption data from ECU in existing equipment, and this fuel consumption data is also inaccurate.
Summary of the invention
In view of this, the invention is intended to propose a kind of intelligent fuel management system, to solve the inaccurate phenomenon of institute's outlet in oil liquid monitoring management in prior art.Meanwhile, a kind of structure more reasonably fluid management devices is proposed, to facilitate the management of fluid.
For achieving the above object, the technical scheme of the invention is achieved in that
A kind of intelligent fuel management system, comprise cabinet, cabinet obtains fluid from external fuel tank and is supplied to engine; Transfer fuel tank, propulsion system, control device and measuring apparatus is provided with, the side being arranged on cabinet that described transfer fuel tank is vertical in described cabinet; Described control device comprises single-chip microcomputer, liquid level sensor, relay control module and duckbilled switch, and described liquid level sensor is connected with single-chip microcomputer; Described propulsion system comprise motor and pump, and described motor is connected with pump, and motor passes through Single-chip Controlling; Described measuring apparatus is arranged on motor, and measuring apparatus is connected with single-chip microcomputer; Also be provided with multiple oil pipe for connecting in described fluid management devices, described multiple oil pipe for connecting to the transmission carrying out fluid between fluid management devices and external fuel tank, and for carrying out the transmission of fluid between fluid management devices and engine; Described multiple oil pipe for connecting is also for the recovery to fluid unnecessary in transfer fuel tank; Described multiple oil pipe for connecting also comprises sentinel plant, and described sentinel plant is used in case of emergency ensureing the fuel feeding to engine.
Further, described multiple oil pipe for connecting comprises main oil inlet pipe, scavenge pipe, flowline and insurance oil pipe; Wherein, main oil inlet pipe is divided into two sections, comprise between one section of entrance being arranged on pump to external fuel tank, and one section is arranged between delivery side of pump to transfer fuel tank; Described flowline is arranged between transfer fuel tank to engine; Between the oil return opening that described scavenge pipe is arranged on engine to transfer fuel tank; Described insurance oil pipe is arranged between external fuel tank oil return opening and transfer fuel tank; Described sentinel plant comprises middle oil pipe and three-way valve, and described middle oil pipe is arranged on the entrance of the pump of main oil inlet pipe between external fuel tank one section and flowline, and described three-way valve is arranged on the junction of middle oil pipe and flowline; The top of described transfer fuel tank is also provided with vent valve.
Further, described multiple oil pipe for connecting comprises main oil inlet pipe, scavenge pipe, flowline and insurance oil pipe; Wherein, main oil inlet pipe is divided into two sections, comprise between one section of entrance being arranged on pump to external fuel tank, and one section is arranged between delivery side of pump to transfer fuel tank; Described flowline is arranged between transfer fuel tank to engine; Between the oil return opening that described scavenge pipe is arranged on engine to transfer fuel tank; Insurance oil pipe is arranged between the oil-out of external fuel tank and transfer fuel tank; Described sentinel plant comprises the three-way connection that insurance oil pipe is arranged, and the hand switch be directly connected with air that the other end of three-way connection is arranged.
Further, close tip position and the close bottom position of described transfer fuel tank are all provided with duckbilled switch, and described duckbilled switch is connected to relay control module, and relay control module directly controls motor power break-make.
Further, described control device also comprises data transmission module, memory module and circuit control module, and described data transmission module, memory module are all controlled by single-chip microcomputer.
Further, described data transmission module comprises GPRS wireless transmission unit, and wireless transmission unit is connected with external data storage system, and adopts GPRSDTU to carry out real-time Transmission to data.
Further, described memory module comprises EEPROM, and described EEPROM is automatic after powered up sends data to data transmission module.
Relative to prior art, the intelligent fuel management system described in the invention has following advantage:
A kind of intelligent fuel management system described in the invention, by arranging measuring apparatus on the motor of oil-feed, thus completes the management to fluid.By arranging liquid level sensor at transfer fuel tank, and by liquid level sensor, liquid level is controlled.Meanwhile, be provided with the insurance oil pipe be directly connected at transfer fuel tank and external fuel tank, the hand switch that insurance oil pipe can be connected with air in addition.Hand switch is operationally opened, fuel tank and ambient atmosphere are connected, when transfer fuel tank fuel feeding management outlet fault and cisco unity malfunction time, now close hand switch, make to occur negative pressure in transfer fuel tank, force the fluid in external fuel tank due to atmospheric pressure by insurance oil pipe enter transfer fuel tank.Thus ensure that the use safety of equipment, make engine there will not be the phenomenons such as idle running, thus damage engine.
A kind of intelligent fuel management system described in the invention, by being provided with multiple oil pipe for connecting, multiple oil pipe for connecting to the transmission carrying out fluid between fluid management devices and external fuel tank, and for carrying out the transmission of fluid between fluid management devices and engine; Multiple oil pipe for connecting is also for the recovery to fluid unnecessary in transfer fuel tank; Multiple oil pipe for connecting also comprises sentinel plant, and sentinel plant is used in case of emergency ensureing the fuel feeding to engine.Thus make the use of fluid management devices more convenient, and safety.
By the close tip position at fuel tank be all provided with duckbilled switch near bottom position, duckbilled switch is connected to relay control module, and relay control module connects the power supply being used for directly control motor.Thus when motor or sensor experiences failure, when motor also works on when the fluid in transfer fuel tank is greater than upper limit, the rising of fluid liquid level will make duckbilled switch connection, thus control the power supply that relay control module forces to disconnect motor.Or in fuel tank fluid be less than lower limit and motor does not also work time, compulsory motor to be energized, to make motor carry out pump oil from external fuel tank to transfer fuel tank.Thus ensure that the work of system is installed, there will not be fluid to reveal from transfer fuel tank, thus ensure that the safety of equipment and life.By adopting single-chip microcomputer, and by single-chip microcomputer, memory module, data transmission module and circuit control module are connected into an entirety, thus complete the whole control system of formation, and adopt this system to complete whole workflow.In a storage module, EEPROM is adopted to store data.In data transmission module, adopt GPRS transmission mode, to replace traditional IC-card as the transmission mode of data.When power cut-off, monolithic function preserves the data before power-off automatically, and the Shi Zeneng that restores electricity is by automatic for the data before power-off Hui Cheng, and data return server by GPRSDTU real-time Transmission.
Another object of the invention is the method for operating proposing a kind of intelligent fuel management system, to coordinate described fluid management devices, makes it reach safety and automatic result of use more.
For achieving the above object, the technical scheme of the invention is achieved in that
A kind of method of operating applying intelligent fuel management system:
1. read the height of fluid by liquid level sensor, and send data in single-chip microcomputer and compare with the minimum standard numerical value preset in single-chip microcomputer and record is carried out to data;
2. when level value is greater than minimum standard numerical value, record level value this moment, again carry out level value reading and compare, until level value reaches minimum standard numerical value;
3. when level value is less than or equal to minimum standard numerical value, single-chip microcomputer sends signal, and motor is started working, and the fluid in external fuel tank is transferred to transfer fuel tank;
4. liquid level sensor proceeds the reading of liquid level data, and sends data to the comparison record of carrying out data in single-chip microcomputer;
5. when the liquid level data read reaches the highest standard numerical value preset in single-chip microcomputer, Single-chip Controlling motor quits work;
The liquid level data of 6. carrying out a new round by liquid level sensor reads and record, repeat above-mentioned in steps;
7. in an emergency situation, quit work and adjust sentinel plant, making engine keep normal work.
Further, described sentinel plant comprises middle oil pipe and three-way valve, and described middle oil pipe is arranged on the entrance of the pump of main oil inlet pipe between external fuel tank one section and flowline, and described three-way valve is arranged on the junction of middle oil pipe and flowline; Rotate three-way valve under emergency, change the connection on-state of three-way valve, and work on.
Further, described sentinel plant comprises the three-way connection that insurance oil pipe is arranged, and the hand switch be directly connected with air that the other end of three-way connection is arranged; Sealing state is adjusted to air on-state by hand switch under emergency.
Relative to prior art, the method for operating of the intelligent fuel management system described in the invention has following advantage:
The method of operating of the intelligent fuel management system described in the invention, by utilizing and the combination of single-chip microcomputer, and inspection set on fluid management devices, opertaing device, complete the operation to whole system by the mode of robotization.
Accompanying drawing explanation
The accompanying drawing of the part of formation the invention is used to provide the further understanding to the invention, and the schematic description and description of the invention, for explaining the invention, does not form the improper restriction to the invention.In the accompanying drawings:
Fig. 1 is the process flow diagram of the intelligent fuel management system described in the invention embodiment;
Fig. 2 is the intelligent fuel management system structural representation described in the invention first embodiment;
Fig. 3 is the intelligent fuel management system structural representation described in the invention second embodiment.
Description of reference numerals:
1-cabinet, 2-transfer fuel tank, 3-pump, 4-motor, the main oil inlet pipe of 5-, 6-insures oil pipe,
7-flowline, 8-scavenge pipe, 9-liquid level sensor, 10-duckbilled switch, 11-hand switch,
Oil pipe in the middle of 12-, 13-three-way valve, 14-scavenging air valve.
Embodiment
It should be noted that, when not conflicting, the embodiment in the invention and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the invention in detail in conjunction with the embodiments.
First embodiment of a kind of intelligent fuel management system as shown in Figure 2, comprises cabinet 1, and cabinet 1 is drawn fluid as the organ of whole device and transfers in engine from external fuel tank.Cabinet 1 is a kind of casing class formation, and the contour structures of cabinet 1 is rectangular parallelepiped and vertically arranges.The side of cabinet 1 is set to dismountable lateral plate structure, thus facilitates the vibrational power flow of cabinet 1 inside.On the opposite of side plate side, be also vertically provided with transfer fuel tank 2.
The side of cabinet 1 also arranges the motor 4 providing power, and motor 4 is arranged on cabinet 1.The output shaft of motor 4 bottom is also provided with measuring apparatus and pump 3, what pump 3 was also fixed is arranged on cabinet 1.Measuring apparatus adopts impulsive measurement device, and ranging pulse device comprises magnet and Hall element; The extremely tangent setting of S of Hall element and magnet.Magnet is arranged on the driving shaft of motor 4, the driving shaft of motor 4 is provided with two blocks of magnet in the same way, and these two blocks of magnet are arranged along the axisymmetrical of motor 4 driving shaft.Data with pump synchronous rotary are transferred to single-chip microcomputer by measuring apparatus, and transfer to outside server or other data storage devices by memory module and/or data transmission module, thus obtain the fluid consumption data of engine.
Four oil pipes are also provided with, the top being arranged in cabinet 1 side that four oil pipes are arranged side by side in cabinet 1.Four oil pipes are respectively main oil inlet pipe 5, insurance oil pipe 6, flowline 7 and scavenge pipe 8.Wherein main oil inlet pipe 5 also needs to extend in external fuel tank, and in cabinet 1, main oil inlet pipe 5 is connected to the input port of pump 3, and is delivered to transfer fuel tank 2 from the delivery outlet of pump 3 by fluid.Comprise between one section of entrance being arranged on pump to external fuel tank, and one section is arranged between delivery side of pump to transfer fuel tank.Flowline 7 is connected in transfer fuel tank 2 in cabinet 1, and flowline 7 is connected to engine outside cabinet 1, thus provides power for engine.Scavenge pipe 8 in cabinet 1 is that wherein scavenge pipe 8 is connected to the oil return opening of engine outside cabinet 1, and scavenge pipe 8 is connected to transfer fuel tank 2 in cabinet 1 for fluid remaining in engine is transmitted back to transfer fuel tank 2.Insurance oil pipe 6 is at system malfunctions, transfer fuel tank 2 part of not carrying out urgent fuel feeding during oil.One end of insurance oil pipe 6 is connected in external fuel tank, and the other end is connected to transfer fuel tank 2.
On the connecting line of external fuel tank and transfer fuel tank 2, be also provided with three-way connection, the pipeline of three-way connection is also provided with hand switch 11.Hand switch 11 is the duties for controlling to insure oil pipe 6, is not occurring that, in unexpected situation, hand switch 11 is in normally open, and insurance oil pipe 6 does not work.When there is fortuitous event, pump 3 can not give transfer fuel tank 2 fuel feeding, now needs hand switch 11 to close, thus makes transfer fuel tank 2 occur negative pressure when engine oil suction.And under external fuel tank is in normal atmospheric pressure, thus insurance oil pipe 6 will extrude due in input transfer fuel tank 2 from external fuel tank.Because hand switch 11 is normally open, flow out from the branch road of hand switch 11 to prevent the fluid in fuel tank, thus cause the waste of potential safety hazard and fluid, the branch road of hand switch 11 is also provided with vent valve, vent valve will make in pipeline can only by gas, will be closed automatically by vent valve during fluid.
In the first above-mentioned embodiment, also comprise single-chip microcomputer, data transmission module, memory module and circuit control module.Data transmission module, memory module are all connected with single-chip microcomputer with circuit control unit.Memory module comprises EEPROM, and EEPROM automatically preserves the data before power-off and after powered up data carried out real-time Transmission.Data transmission module comprises GPRS wireless transmission unit, and adopts GPRSDTU to carry out real-time Transmission to data.
Circuit control module comprises level control unit, motor control unit, measurement control unit.Level control unit comprises the liquid level sensor 9 be arranged in transfer fuel tank, thus fuel cut-off or start fuel feeding when reaching lower limit when the fluid in transfer fuel tank 2 reaches upper limit.Liquid level sensor is connected with single-chip microcomputer, and returns to single-chip data in real time, the data of single-chip microcomputer by its passback of contrast and the data of the upper limit himself arranged and lower limit, thus controls work and the stopping of other equipment.Motor control unit controls the break-make of motor 4 work by the signal of single-chip microcomputer.Certainly, in order to ensure being perfectly safe of system works, there is not the problems such as fault such as leakage of oil.Also be provided with relay control module in circuit, relay control module is directly connected with the power lead of motor 4.In transfer fuel tank 2, be also provided with the duckbilled switch 10 controlling relay control module, duckbilled switch 10 comprises duckbilled switch and lower duckbilled switch, and duckbilled switch only starts at the circuit control module Shi Caihui that breaks down.Work as system malfunctions, the fluid in transfer fuel tank 2 exceedes the upper limit of liquid level sensor 9, and motor 4 is also when control pump 3 fuel feeding, and duckbilled switch 10 will be connected.The connection of duckbilled switch 10 will make the circuit working of relay control module, and relay control module will directly disconnect the power lead of motor 4, thus motor 4 is quit work.Or in transfer fuel tank 2 fluid be less than lower limit and motor 4 does not also work time, duckbilled switch 10, by the reduction along with fluid, to be compulsoryly energized to motor 4, makes motor 4 carry out pump oil from external fuel tank to transfer fuel tank 2.Measurement control unit mainly includes aforesaid measuring apparatus.
In the embodiment of fluid management devices, further comprises a kind of method of operating applying the intelligent fuel management system of above-mentioned first embodiment, the steps include:
1. read the height of fluid by liquid level sensor, and send data in single-chip microcomputer and compare with the minimum standard numerical value preset in single-chip microcomputer and record is carried out to data;
2. when level value is greater than minimum standard numerical value, record level value this moment, again carry out level value reading and compare, until level value reaches minimum standard numerical value;
3. when level value is less than or equal to minimum standard numerical value, single-chip microcomputer sends signal, and motor is started working, and the fluid in external fuel tank is transferred to transfer fuel tank;
4. liquid level sensor proceeds the reading of liquid level data, and sends data to the comparison record of carrying out data in single-chip microcomputer;
5. when the liquid level data read reaches the highest standard numerical value preset in single-chip microcomputer, Single-chip Controlling motor quits work;
The liquid level data of 6. carrying out a new round by liquid level sensor reads and record, repeat above-mentioned in steps;
7. in an emergency situation, quit work and adjust sentinel plant, making engine keep normal work.
It should be noted that: no matter under any duty, when motor break down or motor and system to break down etc. simultaneously emergency time, need first rotary manual switch on request, system is normally worked, and then return this operation steps and restart.
Second embodiment of a kind of intelligent fuel management system as shown in Figure 3, comprises cabinet 1, and cabinet 1 is drawn fluid as the organ of whole device and transfers in engine from external fuel tank.Cabinet 1 is a kind of casing class formation, and the contour structures of cabinet 1 is rectangular parallelepiped and vertically arranges.The side of cabinet 1 is set to dismountable lateral plate structure, thus facilitates the vibrational power flow of cabinet 1 inside.On the opposite of side plate side, be also vertically provided with transfer fuel tank 2, be also provided with vent valve at the top of transfer fuel tank 2, vent valve is used for carrying out identical with air, but fluid can be stoped to spill from vent valve.
The side of cabinet 1 also arranges the motor 4 providing power, and motor 4 is arranged on cabinet 1.The output shaft of motor 4 bottom is also provided with measuring apparatus and pump 3, what pump 3 was also fixed is arranged on cabinet 1.Measuring apparatus adopts impulsive measurement device, and ranging pulse device comprises magnet and Hall element; The extremely tangent setting of S of Hall element and magnet.Magnet is arranged on the driving shaft of motor 4, the driving shaft of motor 4 is provided with two blocks of magnet in the same way, and these two blocks of magnet are arranged along the axisymmetrical of motor 4 driving shaft.Data with pump synchronous rotary are transferred to single-chip microcomputer by measuring apparatus, and transfer to outside server or other data storage devices by memory module and/or data transmission module, thus obtain the fluid consumption data of engine.
Four oil pipes are also provided with, the top being arranged in cabinet 1 side that four oil pipes are arranged side by side in cabinet 1.Four oil pipes are respectively main oil inlet pipe 5, insurance oil pipe 6, flowline 7 and scavenge pipe 8.Wherein main oil inlet pipe 5 also needs to extend in external fuel tank, and in cabinet 1, main oil inlet pipe 5 is connected to the input port of pump 3, and is delivered to transfer fuel tank 2 from the delivery outlet of pump 3 by fluid.Comprise between one section of entrance being arranged on pump to external fuel tank, and one section is arranged between delivery side of pump to transfer fuel tank.Flowline 7 is connected in transfer fuel tank 2 in cabinet 1, and flowline 7 is connected to engine outside cabinet 1, thus provides power for engine.Scavenge pipe 8 in cabinet 1 is that wherein scavenge pipe 8 is connected to the oil return opening of engine outside cabinet 1, and scavenge pipe 8 is connected to transfer fuel tank 2 in cabinet 1 for fluid remaining in engine is transmitted back to transfer fuel tank 2.Insurance oil pipe 6 is at system malfunctions, transfer fuel tank 2 part of not carrying out urgent fuel feeding during oil.One end of insurance oil pipe 6 is connected in external fuel tank, and the other end is connected to transfer fuel tank 2.
Main oil inlet pipe 5 is also provided with middle oil pipe 12 at the entrance of pump 1 between external fuel tank one section and flowline 7, and described middle oil pipe 12 is provided with three-way valve 13 with the junction of flowline 7.When system or liquid level sensor break down, motor 4 works well, and now motor 4 meeting continuous firing, until fill it up with oil in transfer fuel tank 2.Now, fluid is got back in external fuel tank by insurance oil pipe 6.When system or fuel level sensor work well, motor 4 breaks down, or when control system and motor 4 break down simultaneously, the lasting consumption due to engine causes the liquid level continuous decrease in transfer fuel tank 2.Lower duckbilled also can not work because of motor 4 fault, when Height of oil reaches the alarming value of systemic presupposition, and system alarm.Now, operating personnel need the connection shape body of regulating three-way valve door 13, and namely flowline 7 is blocked by three-way valve 13.Oil-out and the main oil inlet pipe 5 of flowline 7 are connected, and the now oil suction of engine will be delivered in engine the fluid in external fuel tank, then continue normal work.
In above-described embodiment, also comprise single-chip microcomputer, data transmission module, memory module and circuit control module.Data transmission module, memory module are all connected with single-chip microcomputer with circuit control unit.Memory module comprises EEPROM, and EEPROM automatically preserves the data before power-off and after powered up data carried out real-time Transmission.Data transmission module comprises GPRS wireless transmission unit, and adopts GPRSDTU to carry out real-time Transmission to data.
Circuit control module comprises level control unit, motor control unit, measurement control unit.Level control unit comprises the liquid level sensor 9 be arranged in transfer fuel tank, thus fuel cut-off or start fuel feeding when reaching lower limit when the fluid in transfer fuel tank 2 reaches upper limit.Liquid level sensor is connected with single-chip microcomputer, and returns to single-chip data in real time, the data of single-chip microcomputer by its passback of contrast and the data of the upper limit himself arranged and lower limit, thus controls work and the stopping of other equipment.Motor control unit controls the break-make of motor 4 work by the signal of single-chip microcomputer.Certainly, in order to ensure being perfectly safe of system works, there is not the problems such as fault such as leakage of oil.Also be provided with relay control module in circuit, relay control module is directly connected with the power lead of motor 4.In transfer fuel tank 2, be also provided with the duckbilled switch 10 controlling relay control module, duckbilled switch 10 comprises duckbilled switch and lower duckbilled switch, and duckbilled switch only starts at the circuit control module Shi Caihui that breaks down.Work as system malfunctions, the fluid in transfer fuel tank 2 exceedes the upper limit of liquid level sensor 9, and motor 4 is also when control pump 3 fuel feeding, and duckbilled switch 10 will be connected.The connection of duckbilled switch 10 will make the circuit working of relay control module, and relay control module will directly disconnect the power lead of motor 4, thus motor 4 is quit work.Or in transfer fuel tank 2 fluid be less than lower limit and motor 4 does not also work time, duckbilled switch 10, by the reduction along with fluid, to be compulsoryly energized to motor 4, makes motor 4 carry out pump oil from external fuel tank to transfer fuel tank 2.Measurement control unit mainly includes aforesaid measuring apparatus.
In the second embodiment of above-mentioned fluid management devices, further comprises the method for operating of the intelligent fuel management system of a kind of application the second embodiment, the steps include:
1. read the height of fluid by liquid level sensor, and send data in single-chip microcomputer and compare with the minimum standard numerical value preset in single-chip microcomputer and record is carried out to data;
2. when level value is greater than minimum standard numerical value, record level value this moment, again carry out level value reading and compare, until level value reaches minimum standard numerical value;
3. when level value is less than or equal to minimum standard numerical value, single-chip microcomputer sends signal, and motor is started working, and the fluid in external fuel tank is transferred to transfer fuel tank;
4. liquid level sensor proceeds the reading of liquid level data, and sends data to the comparison record of carrying out data in single-chip microcomputer;
5. when the liquid level data read reaches the highest standard numerical value preset in single-chip microcomputer, Single-chip Controlling motor quits work;
The liquid level data of 6. carrying out a new round by liquid level sensor reads and record, repeat above-mentioned in steps;
7. in an emergency situation, quit work and adjust sentinel plant, making engine keep normal work.
It should be noted that: no matter under any duty, when motor 4 break down or motor 4 and system to break down etc. simultaneously emergency time, needing first will the on-state of adjustment three-way valve.Such as three-way valve has a, b, c tri-mouths, and a mouth is the mouth that on three-way valve, flowline 7 is connected to engine, and b is the mouth that on three-way valve, flowline 7 is connected to insurance fuel tank 6, and c mouth is the mouth that three-way valve is connected to main oil inlet pipe 5.Wherein a is normal open mouth, and time normal, a mouth and b mouth are connected, and time abnormal, a mouth and c mouth are connected, and a mouth is in bottom, and b mouth, c mouth are at two ends.Thus system is normally worked, and then return this operation steps and restart.
The foregoing is only the preferred embodiment of the invention; not in order to limit the invention; within all spirit in the invention and principle, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in the invention.
Claims (10)
1. an intelligent fuel management system, comprises cabinet, and cabinet obtains fluid from external fuel tank and is supplied to engine; Be provided with transfer fuel tank, propulsion system, control device and measuring apparatus in described cabinet, it is characterized in that:
The side being arranged on cabinet that described transfer fuel tank is vertical;
Described control device comprises single-chip microcomputer, liquid level sensor, relay control module and duckbilled switch, and described liquid level sensor is connected with single-chip microcomputer;
Described propulsion system comprise motor and pump, and described motor is connected with pump, and motor passes through Single-chip Controlling;
Described measuring apparatus is arranged on motor, and measuring apparatus is connected with single-chip microcomputer;
Also be provided with multiple oil pipe for connecting in described fluid management devices, described multiple oil pipe for connecting to the transmission carrying out fluid between fluid management devices and external fuel tank, and for carrying out the transmission of fluid between fluid management devices and engine; Described multiple oil pipe for connecting is also for the recovery to fluid unnecessary in transfer fuel tank; Described multiple oil pipe for connecting also comprises sentinel plant, and described sentinel plant is used in case of emergency ensureing the fuel feeding to engine.
2. a kind of intelligent fuel management system according to claim 1, is characterized in that: described multiple oil pipe for connecting comprises main oil inlet pipe, scavenge pipe, flowline and insurance oil pipe; Wherein, main oil inlet pipe is divided into two sections, comprise between one section of entrance being arranged on pump to external fuel tank, and one section is arranged between delivery side of pump to transfer fuel tank; Described flowline is arranged between transfer fuel tank to engine; Between the oil return opening that described scavenge pipe is arranged on engine to transfer fuel tank; Described insurance oil pipe is arranged between external fuel tank oil return opening and transfer fuel tank; Described sentinel plant comprises middle oil pipe and three-way valve, and described middle oil pipe is arranged on the entrance of the pump of main oil inlet pipe between external fuel tank one section and flowline, and described three-way valve is arranged on the junction of middle oil pipe and flowline; The top of described transfer fuel tank is also provided with vent valve.
3. a kind of intelligent fuel management system according to claim 1, is characterized in that: described multiple oil pipe for connecting comprises main oil inlet pipe, scavenge pipe, flowline and insurance oil pipe; Wherein, main oil inlet pipe is divided into two sections, comprise between one section of entrance being arranged on pump to external fuel tank, and one section is arranged between delivery side of pump to transfer fuel tank; Described flowline is arranged between transfer fuel tank to engine; Between the oil return opening that described scavenge pipe is arranged on engine to transfer fuel tank; Insurance oil pipe is arranged between the oil-out of external fuel tank and transfer fuel tank; Described sentinel plant comprises the three-way connection that insurance oil pipe is arranged, and the hand switch be directly connected with air that the other end of three-way connection is arranged.
4. a kind of intelligent fuel management system according to claim 1, it is characterized in that: close tip position and the close bottom position of described transfer fuel tank are all provided with duckbilled switch, described duckbilled switch is connected to relay control module, and relay control module directly controls motor power break-make.
5. a kind of intelligent fuel management system of an application rights requirement described in 1, it is characterized in that: described control device also comprises data transmission module, memory module and circuit control module, described data transmission module, memory module are all controlled by single-chip microcomputer.
6. a kind of intelligent fuel management system according to claim 5, it is characterized in that: described data transmission module comprises GPRS wireless transmission unit, wireless transmission unit is connected with external data storage system, and adopts GPRSDTU to carry out real-time Transmission to data.
7. a kind of intelligent fuel management system according to claim 5, is characterized in that: described memory module comprises EEPROM, and described EEPROM is automatic after powered up sends data to data transmission module.
8. apply a method of operating for intelligent fuel management system, it is characterized in that:
1. read the height of fluid by liquid level sensor, and send data in single-chip microcomputer and compare with the minimum standard numerical value preset in single-chip microcomputer and record is carried out to data;
2. when level value is greater than minimum standard numerical value, record level value this moment, again carry out level value reading and compare, until level value reaches minimum standard numerical value;
3. when level value is less than or equal to minimum standard numerical value, single-chip microcomputer sends signal, and motor is started working, and the fluid in external fuel tank is transferred to transfer fuel tank;
4. liquid level sensor proceeds the reading of liquid level data, and sends data to the comparison record of carrying out data in single-chip microcomputer;
5. when the liquid level data read reaches the highest standard numerical value preset in single-chip microcomputer, Single-chip Controlling motor quits work;
The liquid level data of 6. carrying out a new round by liquid level sensor reads and record, repeat above-mentioned in steps;
7. in an emergency situation, quit work and adjust sentinel plant, making engine keep normal work.
9. the method for operating of a kind of intelligent fuel management system according to claim 8, it is characterized in that: described sentinel plant comprises middle oil pipe and three-way valve, described middle oil pipe is arranged on the entrance of the pump of main oil inlet pipe between external fuel tank one section and flowline, and described three-way valve is arranged on the junction of middle oil pipe and flowline; Rotate three-way valve under emergency, change the connection on-state of three-way valve, and work on.
10. the method for operating of a kind of intelligent fuel management system according to claim 8, it is characterized in that: described sentinel plant comprises the three-way connection that insurance oil pipe is arranged, and the hand switch be directly connected with air that the other end of three-way connection is arranged; Sealing state is adjusted to air on-state by hand switch under emergency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510255600.7A CN105183014B (en) | 2015-05-18 | 2015-05-18 | Intelligent fuel manages system and its operating method |
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| CN107299859A (en) * | 2017-07-05 | 2017-10-27 | 天津吉秝机电设备有限公司 | A kind of discharge capacity marking apparatus and application method for intelligent fuel management system |
| CN110715710A (en) * | 2019-09-24 | 2020-01-21 | 潍柴动力股份有限公司 | Liquid level meter fault detection method and device |
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| CN105183014B (en) | 2018-06-12 |
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