CN103292852B - Flow detection formula electronic injection fuel consumption instrument - Google Patents
Flow detection formula electronic injection fuel consumption instrument Download PDFInfo
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- CN103292852B CN103292852B CN201310196515.9A CN201310196515A CN103292852B CN 103292852 B CN103292852 B CN 103292852B CN 201310196515 A CN201310196515 A CN 201310196515A CN 103292852 B CN103292852 B CN 103292852B
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Abstract
The invention discloses a kind of flow detection formula electronic injection fuel consumption instrument, comprise Measurement and Control System, oil level evener, to be laid in immediately below oil level evener and continuously for electronic fuel injection engine fuel injector provides the steady oily device of steady pressure fluid and the storage tank to continuous oil supply in oil level evener, steady oily device is connected by fuel feed pump five with between electronic fuel injection engine fuel injector, and is connected by fuel feed pump seven between oil level evener with steady oily device; Be connected by oil supply pipe between storage tank with oil level evener; The fuel delivery detecting unit detected the fuel delivery of storage tank under oil supply pipe being provided with oil consumption measuring state, fuel delivery detecting unit is flowmeter sensor, and flowmeter sensor connects with Measurement and Control System.Structure of the present invention is simple, cost is low, easy accessibility and reasonable in design, automaticity is high, result of use good, measurement data is accurate, can effectively solve existing fuel consumption measuring device exist number of drawbacks and deficiency.
Description
Technical field
The invention belongs to fuel consumption field of measuring technique, especially relate to a kind of flow detection formula electronic injection fuel consumption instrument.
Background technology
Fuel consume is an important indicator of examination engine and vehicle performance, and testing standard regulation gasoline engine fuel consumption measurement can adopt volume or flow-type fuel consumption meter.But, the volume nowadays market adopted or flow-type fuel consumption meter exist all to some extent complex structure, cost high, use inconvenient operation, measuring process numerous and diverse, affect engine and vehicle normally uses, measuring accuracy is not high and result of use is bad etc. number of drawbacks and deficiency.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned deficiency of the prior art, a kind of flow detection formula electronic injection fuel consumption instrument is provided, its structure is simple, cost is low, easy accessibility and reasonable in design, automaticity is high, result of use good, measurement data is accurate, can effectively solve complex structure, cost that existing fuel consumption measuring device exists high, use operation inconvenience, measuring process numerous and diverse, affect engine and vehicle normally uses, measuring accuracy is not high and result of use is bad etc. problem.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of flow detection formula electronic injection fuel consumption instrument, it is characterized in that: comprise Measurement and Control System, oil level evener, to be laid in immediately below oil level evener and continuously for electronic fuel injection engine fuel injector provides the steady oily device of steady pressure fluid and the storage tank to continuous oil supply in oil level evener, described steady oily device is connected by fuel feed pipe with between electronic fuel injection engine fuel injector, and is connected by fuel feed pump seven between described oil level evener with steady oily device; Be connected by oil supply pipe between described storage tank with oil level evener; The fuel delivery detecting unit under described oil supply pipe being provided with oil consumption measuring state, the fuel delivery of storage tank detected, described fuel delivery detecting unit is flowmeter sensor, and flowmeter sensor connects with described Measurement and Control System; Described oil level evener comprises housing one, described housing one has the air hole ensureing that its air pressure inside is equal with storage tank air pressure inside; Oil-feeding control valve described oil supply pipe is equipped with.
Above-mentioned flow detection formula electronic injection fuel consumption instrument, is characterized in that: also comprise the attemperater be laid in outside storage tank; The cooling-water temperature sensor its water temperature inside being carried out to detection is in real time provided with in described attemperater, be provided with the oil temperature sensor one its inside oil temperature being carried out to detection in real time in described storage tank, described cooling-water temperature sensor and oil temperature sensor one all connect with described Measurement and Control System.
Above-mentioned flow detection formula electronic injection fuel consumption instrument, is characterized in that: be provided with float and needle valve assembly in described oil level evener or carry out the real-time liquid level sensor detected to its inside fluid; Described float and needle valve assembly are made up of the float be laid on the inner fluid liquid level of oil level evener and the needle-valve be laid on float; When arranging described float and needle valve assembly in described oil level evener, the corresponding needle-valve bore be provided with for needle-valve installation on the oil-out of described oil supply pipe; And when arranging described liquid level sensor in described oil level evener, described oil-feeding control valve is carry out by described Measurement and Control System the solenoid valve one that controls, and described liquid level sensor and described solenoid valve one all connect with described Measurement and Control System.
Above-mentioned flow detection formula electronic injection fuel consumption instrument, it is characterized in that: also comprise water circulating pipe, the sidewall of described attemperater has water delivering orifice and water inlet, the water inlet end of described water circulating pipe is arranged on described water delivering orifice and its water side and is arranged on described water inlet; Described water circulating pipe is provided with water pump, water heater, water-cooling apparatus and waterway controlling valve.
Above-mentioned flow detection formula electronic injection fuel consumption instrument, is characterized in that: described housing one is cylindrical housings, and the internal diameter of described cylindrical housings is 2.5cm ~ 3.6cm.
Above-mentioned flow detection formula electronic injection fuel consumption instrument, is characterized in that: also comprise the fuel filter be installed on described oil supply pipe; Be provided with the oil temperature sensor two its inside oil temperature being carried out to detection in real time in described steady oily device, described oil temperature sensor two connects with described Measurement and Control System.
Above-mentioned flow detection formula electronic injection fuel consumption instrument, is characterized in that: the fuel pump that described steady oily device comprises housing two and is laid in described housing two, and described fuel pump is connected by the oil-in of fuel feed pipe with electronic fuel injection engine fuel injector.
Above-mentioned flow detection formula electronic injection fuel consumption instrument, it is characterized in that: in described steady oily device, be provided with steady oil rod, described electronic fuel injection engine fuel injector is the fuel injector with oil return function, the oil return opening of described electronic fuel injection engine fuel injector is connected by the top oil-in of return line with steady oil rod, and described steady oily rod comprises screen casing sidewall having multiple oil outlet and sealed bottom; Described return line is equipped with oil return operation valve, oil temperature sensor three and oil liquid cooling device, described oil temperature sensor three connects with described Measurement and Control System.
Above-mentioned flow detection formula electronic injection fuel consumption instrument, it is characterized in that: also comprise steady fuel tank, described steady fuel tank comprises casing and is laid in the dividing plate in the middle part of described casing, described box house cavity is divided into upper and lower two cavitys by described dividing plate, described oil level evener is arranged in the upper cavity of described casing, and steady oily device is arranged in the lower chamber of described casing; The through hole passed for described fuel feed pump seven is had in the middle part of described dividing plate.
Above-mentioned flow detection formula electronic injection fuel consumption instrument, it is characterized in that: described Measurement and Control System comprises primary controller, supervisory keyboard, the rotating speed of current detected engine is carried out to the speed probe detected in real time, the temperature controller connected with primary controller and the timing circuit connected with primary controller respectively, display unit and key circuit, described supervisory keyboard is provided with fuel consumption measurement and controls button, heater water tank controls button, water cooling controls button, fluid cooling controls button and water tank water pump controls button, described fuel consumption measurement controls button, heater water tank controls button, water cooling controls button, fluid cooling controls button and water tank water pump control button all connects with key circuit, described water-cooling apparatus, described water heater and described oil liquid cooling device control by temperature controller, and described water pump is controlled by primary controller.
The present invention compared with prior art has the following advantages:
1, structure is simple, cost is low and easy accessibility.
2, reasonable in design, automaticity is high and result of use good, measurement data is accurate.What adopt is flowmeter type, and uses Measurement and Control System automatically to control, and can be batch detection and the test of large, medium and small electronic fuel injection engine.Under various experimental enviroment condition, the fuel oil that fuel consumption measurement uses can be maintained design temperature all the time, meet the test demand under various operating mode.Meanwhile, can for the characteristic of each large, medium and small motorcycle and automotive electric injection engine, carry out complete, consumption run accurately.In fuel consumption measurement process, use the demand of amount of fuel how many according to electronic fuel injection engine, fuel oil in storage tank is under atmospheric pressure state, flowmeter sensor is led in filtration through fuel filter, and under the mating reaction of fuel oil float and needle valve assembly in steady fuel tank of flowmeter sensor, automatic corresponding equivalent adds in steady fuel tank, resupplies electronic fuel injection engine fuel injector.Thus, under various environmental baseline, fuel consumption measurement result of the present invention can not be affected.
3, adopt the reasonable in design of steady fuel tank and result of use is good, mainly comprise casing and be laid in the dividing plate in the middle part of casing, described box house cavity is divided into upper and lower two cavitys by dividing plate, oil level evener is arranged in casing upper cavity, and steady oily device is arranged in casing lower chamber, the fluid chamber cross section of such storage tank in oil level evener during supplementary fluid is actively little, and sensitivity greatly improves, and thus fuel consumption measurement precision also greatly improves.Meanwhile, be provided with steady oil rod in steady oily device, and set steady oily bar structure is simple, lay convenient and use easy and simple to handle, result of use is good, effectively can solve the disturbance of oil return to steady oily device inner fluid, further ensure the precision of fuel consumption measurement.
4, expandability of the present invention is strong, the requirement of all standard test can be met, intermediate data in measuring process also can obtain as required, and can draw oil consumption curve by Measurement and Control System and carry out simultaneous display by display, Measurement and Control System also can possess the functions such as file record, file, printing simultaneously.Make measuring process more true and accurate.
5, the high and popularizing application prospect of practical value is extensive, has the advantages such as simple to operate, practical, easy to maintenance, and be applicable to stand and car load mass detection, cost is low, is also applicable to commercialization simultaneously.Thus, the present invention is applicable to the measurement that motorcycle and trail bike and automobile, car load and stand engine fuel consume.Every motorcycle with electronic fuel injection system and trail bike and automobile, and engine all can carry out testing fast, accurately.Meanwhile, also to enterprise's new product motorcycle and trail bike, automobile and engine, the fuel consume that rolls off the production line can be produced and detects.
In sum, structure of the present invention is simple, cost is low, easy accessibility and reasonable in design, automaticity is high, result of use good, measurement data is accurate, can effectively solve complex structure, cost that existing fuel consumption measuring device exists high, use operation inconvenience, measuring process numerous and diverse, affect that engine normally uses, measuring accuracy is not high and number of drawbacks and the deficiency such as result of use is bad.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is schematic block circuit diagram of the present invention.
Description of reference numerals:
1-storage tank; 1-1-attemperater; 1-2-water filling port;
1-3-oil filler; 1-4-radiator drain joint; 1-5-water pump;
1-6-feed pipe one; 1-7-three-way pipe one; 1-8-feed pipe two;
1-9-manually operated control valve two; 1-10-feed pipe three; 1-13-feed pipe four;
1-14-feed pipe five; 1-15-water route branch control valves; 1-16-feed pipe six;
1-17-three-way pipe two; 1-18-feed pipe seven; 1-19-water heater;
1-20-water container backwater pipe adapter; 2-fuel feed pump one;
2-1-fuel feed pump two; 2-2-fuel feed pump three; 2-3-fuel feed pump four;
3-manually operated control valve one; 3-1-manually operated control valve three; 4-fuel filter;
5-flowmeter sensor; 6-steady fuel tank; 7-oil level evener;
7-1-needle-valve bore; 7-2-needle-valve; 7-3-air hole;
7-4-float; 7-5-evener oil outlet; 8-steady oily device;
8-1-steady oily device oil supply hole; 8-2-fuel pump; 8-3-fuel feed pipe;
9-pressure regulator; 10-electronic fuel injection engine fuel injector; 11-heating radiator one;
12-heating radiator two; 13-oil temperature sensor three; 13-1-oil temperature sensor two;
13-2-oil temperature sensor one; 13-3-cooling-water temperature sensor; 14-steady oil rod;
15-1-primary controller; 15-2-speed probe; 15-3-timing circuit;
15-4-display unit; 15-5-heater water tank controls button;
15-6-fuel consumption measurement controls button;
15-7-water cooling controls button;
15-8-fluid cooling controls button;
15-9-water tank water pump controls button; 15-10-key circuit;
15-11-temperature controller; 16-fuel feed pump seven; 17-return line.
Embodiment
As shown in Figure 1 and Figure 2, the present invention includes described Measurement and Control System, oil level evener 7, to be laid in immediately below oil level evener 7 and continuously for electronic fuel injection engine fuel injector 10 provides the steady oily device 8 of steady pressure fluid and the storage tank 1 to continuous oil supply in oil level evener 7, described steady oily device 8 is connected by fuel feed pipe 8-3 with between electronic fuel injection engine fuel injector 10, and is connected by fuel feed pump 7 16 between described oil level evener 7 with steady oily device 8.Described storage tank 1 is connected by oil supply pipe with between oil level evener 7.The fuel delivery detecting unit under described oil supply pipe being provided with oil consumption measuring state, the fuel delivery of storage tank 1 detected, described fuel delivery detecting unit is flowmeter sensor 5, and flowmeter sensor 5 connects with described Measurement and Control System; Described oil level evener 7 comprises housing one, described housing one has the air hole 7-3 ensureing that its air pressure inside is equal with storage tank 1 air pressure inside.Oil-feeding control valve described oil supply pipe is equipped with.
In the present embodiment, the present invention also comprises the attemperater 1-1 be laid in outside storage tank 1.
The cooling-water temperature sensor 13-3 its water temperature inside being carried out to detection is in real time provided with in described attemperater 1-1, be provided with oil temperature sensor one 13-2 its inside oil temperature being carried out to detection in real time in described storage tank 1, described cooling-water temperature sensor 13-3 and oil temperature sensor one 13-2 all connects with described Measurement and Control System.Meanwhile, described attemperater 1-1 top has water filling port 1-2, and described storage tank 1 is provided with oil filler 1-3.
Meanwhile, the present invention also comprises water circulating pipe, and the sidewall of described attemperater 1-1 has water delivering orifice and water inlet, and the water inlet end of described water circulating pipe is arranged on described water delivering orifice and its water side and is arranged on described water inlet.Described water circulating pipe is provided with water pump 1-5, water heater 1-19, water-cooling apparatus and waterway controlling valve.
In the present embodiment, described waterway controlling valve is manually operated control valve two 1-9.
Actual when using, described waterway controlling valve can also adopt and carry out by described Measurement and Control System the solenoid valve two that controls.
In the present embodiment, for easy for installation, described water delivering orifice is equipped with the radiator drain joint 1-4 that the water inlet end for described water circulating pipe is installed, described water inlet is equipped with the water container backwater pipe adapter 1-20 that the water side for described water circulating pipe is installed.
Described water circulating pipe comprises outlet pipeline, cooling line, branch line and water return pipeline, the water inlet end of described outlet pipeline connects with described water delivering orifice, the water side of described outlet pipeline connects with an interface of three-way pipe one 1-7, and two other interface of three-way pipe one 1-7 connects with the water inlet end of described cooling line and the water inlet end of branch line respectively, the water side of described cooling line and the water side of branch line connect with two interfaces of three-way pipe two 1-17 respectively, the water inlet end of described water return pipeline connects with the 3rd interface of three-way pipe two 1-17 and its water side connects with described water inlet.Described waterway controlling valve is arranged on described cooling line, and described branch line is provided with water route branch control valves 1-15.Described water pump 1-5 is arranged on described outlet pipeline, and described water heater 1-19 is arranged on described water return pipeline, and described water-cooling apparatus is arranged on described cooling line.
In the present embodiment, described outlet pipeline is feed pipe one 1-6.Described cooling line is connected to form successively by feed pipe two 1-8, feed pipe three 1-10 and feed pipe four 1-13, described waterway controlling valve is arranged between feed pipe two 1-8 and feed pipe three 1-10, and described water-cooling apparatus is arranged between feed pipe three 1-10 and feed pipe four 1-13.Described branch line is by feed pipe five 1-14 and feed pipe six 1-16, and described water route branch control valves 1-15 is arranged between feed pipe five 1-14 and feed pipe six 1-16.Described water return pipeline is feed pipe seven 1-18.
In the present embodiment, the inside of described oil level evener 7 is provided with float and needle valve assembly, described float and needle valve assembly are made up of the float 7-4 be laid on oil level evener 7 interior oil liquid level and the needle-valve 7-2 be laid on float 7-4, and the corresponding needle-valve bore 7-1 be provided with for needle-valve 7-2 installation on the oil-out of described oil supply pipe.
During actual use, the inside of described oil level evener 7 also can not arrange described float and needle valve assembly, and the liquid level sensor its inside fluid being carried out to detection is in real time installed in described oil level evener 7, described liquid level sensor connects with described Measurement and Control System.Correspondingly, described oil-feeding control valve is carry out by described Measurement and Control System the solenoid valve one that controls, and described solenoid valve one connects with described Measurement and Control System.
Meanwhile, the present invention also comprises the fuel filter 4 be installed on described oil supply pipe.
In the present embodiment, described oil supply pipe is connected to form successively by fuel feed pump 1, fuel feed pump two 2-1, fuel feed pump three 2-2 and fuel feed pump four 2-3, described oil-feeding control valve is installed between fuel feed pump 1 and fuel feed pump two 2-1, described fuel filter 4 is installed between fuel feed pump two 2-1 and fuel feed pump three 2-2, described flowmeter sensor 5 is installed on the junction of fuel feed pump three 2-2 and fuel feed pump four 2-3, and the oil-out of described fuel feed pump four 2-3 stretches in oil level evener 7.
Actually add man-hour, described housing one is cylindrical housings, and the internal diameter of described cylindrical housings is 2.5cm ~ 3.6cm.
In the present embodiment, the top of described cylindrical housings is provided with an eck, and described float 7-4 is laid in described eck place.
Meanwhile, be provided with oil temperature sensor two 13-1 its inside oil temperature being carried out to detection in real time in described steady oily device 8, described oil temperature sensor two 13-1 connects with described Measurement and Control System.
In the present embodiment, the fuel pump 8-2 that described steady oily device 8 comprises housing two and is laid in described housing two, described fuel pump 8-2 is connected with the oil-in of electronic fuel injection engine fuel injector 10 by fuel feed pipe 8-3.Further, described fuel feed pipe 8-3 is provided with pressure regulator 9.
In the present embodiment, steady oil rod 14 is provided with in described steady oily device 8, described electronic fuel injection engine fuel injector 10 is the fuel injector with oil return function, the oil return opening of described electronic fuel injection engine fuel injector 10 is connected by the top oil-in of return line 17 with steady oil rod 14, and described steady oil rod 14 comprises screen casing sidewall having multiple oil outlet and sealed bottom.
In the present embodiment, described return line 17 is equipped with oil return operation valve, oil temperature sensor 3 13 and oil liquid cooling device, described oil temperature sensor 3 13 connects with described Measurement and Control System.Described water-cooling apparatus is heating radiator 1, and described oil liquid cooling device is heating radiator 2 12.
Actual when using, described oil return operation valve is the solenoid valve three that manually operated control valve three 3-1 or undertaken by described Measurement and Control System controls.In the present embodiment, described oil return operation valve is manually operated control valve three 3-1, and described oil-feeding control valve is manually operated control valve 1.
In addition, the present invention also comprises steady fuel tank 6, described steady fuel tank 6 comprises casing and is laid in the dividing plate in the middle part of described casing, described box house cavity is divided into upper and lower two cavitys by described dividing plate, described oil level evener 7 is arranged in the upper cavity of described casing, and steady oily device 8 is arranged in the lower chamber of described casing.The through hole passed for described fuel feed pump 7 16 is had in the middle part of described dividing plate.
In the present embodiment, described Measurement and Control System comprises primary controller 15-1, supervisory keyboard, the rotating speed of current detected engine is carried out to the speed probe 15-2 detected in real time, the temperature controller 15-11 connected with primary controller 15-1 and the timing circuit 15-3 connected with primary controller 15-1 respectively, display unit 15-4 and key circuit 15-10, described supervisory keyboard is provided with fuel consumption measurement and controls button 15-6, heater water tank controls button 15-5, water cooling controls button 15-7, fluid cooling controls button 15-8 and water tank water pump controls button 15-9, described fuel consumption measurement controls button 15-6, heater water tank controls button 15-5, water cooling controls button 15-7, fluid cooling controls button 15-8 and water tank water pump control button 15-9 all connects with key circuit 15-10.Described water-cooling apparatus, described water heater 1-19 and described oil liquid cooling device control by temperature controller 15-11, and described water pump 1-5 is controlled by primary controller 15-1.
Described cooling-water temperature sensor 13-3, oil temperature sensor one 13-2, oil temperature sensor two 13-1 and oil temperature sensor 3 13 all connect with temperature controller 15-11, and described water heater 1-19, heating radiator 1 and heating radiator 2 12 are undertaken controlling by temperature controller 15-11 and three all connects with temperature controller 15-11.Described water pump 1-5 is undertaken controlling by primary controller 15-1 and it connects with primary controller 15-1, and described flowmeter sensor 5 and speed probe 15-2 all connect with primary controller 15-1.
In the present embodiment, be provided with the evener oil outlet 7-5 that the upper end for described fuel feed pump 7 16 is installed bottom described housing one, the lower end of described fuel feed pump 7 16 is arranged on the steady oily device oil supply hole 8-1 that described housing upper opens.
In the present embodiment, the model of described flowmeter sensor 5 is 294-E.
Wherein, the fuel delivery of storage tank 1 that detects of described flowmeter sensor 5 is consistent with the oil inlet quantity of detected vehicle motor.
Before actual use, the course of work of the present invention is as follows:
Step one, preliminary work: first check that whether the water in attemperater 1-1 is sufficient, and check that whether the fuel oil in storage tank 1 is sufficient.Afterwards, because adopted electronic fuel injection engine fuel injector 10 is the fuel injector with oil return function, thus need the top oil-in of return line 17 with steady oil rod 14 to connect; And when electronic fuel injection engine fuel injector 10 is the fuel injector not taking back functional oil, then without the need to the top oil-in of return line 17 with steady oil rod 14 is connected.Subsequently, for electricity consumption partial current of the present invention, and by the fuel oil temperature in described Measurement and Control System monitoring storage tank 1, and judge fuel oil temperature in storage tank 1 whether within the scope of standard temperature, if the fuel oil temperature in now storage tank 1 is not within the scope of standard temperature, then by heating radiator 1 or water heater 1-19, the water temperature in attemperater 1-1 is adjusted, the fuel oil temperature in storage tank 1 is adjusted within the scope of standard temperature.Such as: if field environment temperature is low or high, monitor fuel oil temperature in storage tank 1 not within the scope of standard temperature time, the water heating or the water cooling facility that start attemperater 1-1 adjust.Then, press water tank water pump and control button 15-9 startup water pump 1-5, the water in attemperater 1-1 is constantly circulated.In actual mechanical process, when the temperature of the surroundings is low, close manually operated control valve two 1-9, open water route branch control valves 1-15, cut off the cooling line of attemperater 1-1, and press heater water tank control button 15-5, start water heater 1-19 and the water in attemperater 1-1 is heated to standard temperature scope; And when environment temperature is higher, close water route branch control valves 1-15, open manually operated control valve two 1-9, open the cooling line of attemperater 1-1, and close the branch line of attemperater 1-1, press water cooling simultaneously and control button 15-7, start heating radiator 1 by being water-cooled within the scope of standard temperature in attemperater 1-1.Like this, can easy fuel oil temperature in storage tank 1 be adjusted within the scope of standard temperature by the water temperature in adjustment attemperater 1-1.
In actual mechanical process, when the fuel oil temperature in storage tank 1 is adjusted to after within the scope of standard temperature, enter step 2.
Step 2, open manually operated control valve 1, after standard temperature fuel oil in storage tank 1 is first after fuel filter 4 and flowmeter sensor 5, flow in steady fuel tank 6, and by the operating oil pressure requirement that large, medium and small motorcycle or automotive electric injection engine are tested, adjust the operating oil pressure that regulation requires.In actual mechanical process, fuel oil must be full of in steady oily device 8, enable the fuel oil normal supply electronic fuel injection engine fuel injector 10 in steady oily device 8, and provide the required fuel oil consumed for electronic fuel injection engine fuel injector 10.Afterwards, step 3 is entered.
Step 3, non-measured state: before actual measurement, the oil supply pipe be connected between storage tank 1 with oil level evener 7, the fuel feed pump 7 16 be connected between oil level evener 7 with steady oily device 8 and steady oily device 8 need be reviewed and validate and there is no trapped air with in the fuel feed pipe 8-3 be connected between electronic fuel injection engine fuel injector 10, make electronic fuel injection engine fuel injector 10 can normally elimination run work.Wherein, motorcycle should travel after 15min or engine running 5min through preheating, and open the throttle rapidly, engine should not stop working.Now, fuel level in oil level evener 7 is stabilized in certain altitude under the effect of float and needle valve assembly, and the external pressure regulator 9 of the fuel pump 8-2 in steady oily device 8 provides high pressure fuel, and the standard oil pressure condition of pressure regulator 9 now needed for adjusted to electronic fuel injection engine fuel injector 10, and provide the required fuel oil consumed to electronic fuel injection engine fuel injector 10; Then, step 4 is entered.
Step 4, press fuel consumption measurement and control button 15-6 enter measuring state; In actual mechanical process, also select fuel consumption measurement mode by described Measurement and Control System.Afterwards, step 5 is entered.
Step 5, fuel consumption measurement: in actual measurement process, the oil mass supplying electronic fuel injection engine fuel injector 10 by flowmeter sensor 5 pairs of storage tanks 1 is measured.
During actual measurement, the fuel oil that storage tank 1 provides all needs to be measured by flowmeter sensor 5, and described Measurement and Control System is rapidly to measuring state by non-measured state proceeds to, and now the measured value of flowmeter sensor 5 is fuel measurement initial value.For guaranteeing the accuracy measured, only need click fuel consumption measurement during operation and control button 15-6, and flowmeter sensor 5 starts to sample immediately, now the measured value of flowmeter sensor 5 is fuel measurement initial value.Afterwards, under the mating reaction of steady fuel tank 6, the fuel oil that electronic fuel injection engine fuel injector 10 uses just is amount of fuel that flowmeter sensor 5 measures.In described electronic fuel injection engine fuel injector 10 course of work, fuel level in oil level evener 7 under the effect of float and needle valve assembly all-the-time stable at certain altitude, that is, in fuel consumption measurement process, the fuel level in oil level evener 7 remains constant.Therefore, the fuel oil value that electronic fuel injection engine fuel injector 10 consumes is consistent all the time with the measured value of flowmeter sensor 5, at the end of measurement, flowmeter sensor 5 is made to stop sampling immediately by clicking fuel consumption measurement control button 15-6 again, like this, the fuel consumption that electronic fuel injection engine fuel injector 10 uses just is obtained.
In actual use procedure, when fuel consumption measurement need be carried out to the fuel injector not taking back functional oil, only the oil return operation valve that return line 17 fills need be closed; When fuel consumption measurement need be carried out to the fuel injector with oil return function, then open described oil return operation valve.
For the fuel injector with oil return function, the temperature difference that oil return produces in measuring process, to be considered.In actual measurement process, the fuel oil temperature fed in steady oily device 8 by storage tank 1 is in normal temperature value, and when returning-oil temperature to raise gradually with the temperature of electronic fuel injection engine fuel injector 10 and raise time, the corresponding raising of fuel oil temperature in steady oily device 8 can be made, the fuel oil in steady oily device 8 can be made like this to produce expand, fuel level correspondence in oil level evener 7 is raised, and there is certain temperature difference, thus change strand and the proportion of fuel oil.Meanwhile, also can cause certain influence to measured value, affect the accuracy of fuel consumption measurement.
Thus, in actual measurement process, described Measurement and Control System, according to oil temperature sensor 3 13 institute's detected temperatures signal in real time, controls described oil liquid cooling device, the fuel oil passed back in steady oily device 8 is cooled, thus realizes the constant-temperature monitoring of the fuel oil temperature in steady oily device 8.
In sum, in actual use procedure, the effect of attemperater 1-1 remains within the scope of standard temperature by the fuel oil temperature in storage tank 1; Water pump 1-5 effect be the water circulation realizing attemperater 1-1; Described water heater 1-19 and heating radiator 1, carry out heating and cooling process to the water in attemperater 1-1 respectively; Air hole 7-3 makes the atmospheric pressure in oil level evener 7 and steady oily device 8 naturally synchronous with the external world, guarantees the accuracy measured.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solution of the present invention.
Claims (4)
1. a flow detection formula electronic injection fuel consumption instrument, it is characterized in that: comprise Measurement and Control System, oil level evener (7), to be laid in immediately below oil level evener (7) and to provide the steady oily device (8) of steady pressure fluid and the storage tank (1) to oil level evener (7) interior continuous oil supply for electronic fuel injection engine fuel injector (10) continuously, described steady oily device (8) is connected by fuel feed pipe (8-3) with between electronic fuel injection engine fuel injector (10), and be connected by fuel feed pump seven (16) between described oil level evener (7) with steady oily device (8), be connected by oil supply pipe between described storage tank (1) with oil level evener (7), the fuel delivery detecting unit under described oil supply pipe being provided with oil consumption measuring state, the fuel delivery of storage tank (1) detected, described fuel delivery detecting unit is flowmeter sensor (5), and flowmeter sensor (5) connects with described Measurement and Control System, described oil level evener (7) comprises housing one, described housing one has the air hole (7-3) ensureing that its air pressure inside is equal with storage tank (1) air pressure inside, oil-feeding control valve described oil supply pipe is equipped with,
Also comprise the attemperater (1-1) being laid in storage tank (1) outside; The cooling-water temperature sensor (13-3) its water temperature inside being carried out to detection is in real time provided with in described attemperater (1-1), be provided with the oil temperature sensor one (13-2) its inside oil temperature being carried out to detection in real time in described storage tank (1), described cooling-water temperature sensor (13-3) and oil temperature sensor one (13-2) all connect with described Measurement and Control System;
Be provided with float and needle valve assembly in described oil level evener (7) or the real-time liquid level sensor detected is carried out to its inside fluid; Described float and needle valve assembly are made up of the float (7-4) be laid on the inner fluid liquid level of oil level evener (7) and the needle-valve (7-2) be laid on float (7-4); When arranging described float and needle valve assembly in described oil level evener (7), on the oil-out of described oil supply pipe, correspondence is provided with the needle-valve bore (7-1) of installing for needle-valve (7-2); And when arranging described liquid level sensor in described oil level evener (7), described oil-feeding control valve is carry out by described Measurement and Control System the solenoid valve one that controls, and described liquid level sensor and described solenoid valve one all connect with described Measurement and Control System;
Also comprise water circulating pipe, the sidewall of described attemperater (1-1) has water delivering orifice and water inlet, the water inlet end of described water circulating pipe is arranged on described water delivering orifice and its water side and is arranged on described water inlet; Described water circulating pipe is provided with water pump (1-5), water heater (1-19), water-cooling apparatus and waterway controlling valve;
The fuel pump (8-2) that described steady oily device (8) comprises housing two and is laid in described housing two, described fuel pump (8-2) is connected by the oil-in of fuel feed pipe (8-3) with electronic fuel injection engine fuel injector (10);
Steady oil rod (14) is provided with in described steady oily device (8), described electronic fuel injection engine fuel injector (10) is the fuel injector with oil return function, the oil return opening of described electronic fuel injection engine fuel injector (10) is connected by the top oil-in of return line with steady oil rod (14), and described steady oil rod (14) comprises screen casing sidewall having multiple oil outlet and sealed bottom; Described return line is equipped with oil return operation valve, oil temperature sensor three (13) and oil liquid cooling device, described oil temperature sensor three (13) connects with described Measurement and Control System;
Described Measurement and Control System comprises primary controller (15-1), supervisory keyboard, the rotating speed of current detected engine is carried out to the speed probe (15-2) detected in real time, the temperature controller (15-11) connected with primary controller (15-1) and the timing circuit (15-3) connected with primary controller (15-1) respectively, display unit (15-4) and key circuit (15-10), described supervisory keyboard is provided with fuel consumption measurement and controls button (15-6), heater water tank controls button (15-5), water cooling controls button (15-7), fluid cooling controls button (15-8) and water tank water pump controls button (15-9), described fuel consumption measurement controls button (15-6), heater water tank controls button (15-5), water cooling controls button (15-7), fluid cooling controls button (15-8) and water tank water pump control button (15-9) all connects with key circuit (15-10), described water-cooling apparatus, described water heater (1-19) and described oil liquid cooling device control by temperature controller (15-11), and described water pump (1-5) is controlled by primary controller (15-1).
2. according to flow detection formula electronic injection fuel consumption instrument according to claim 1, it is characterized in that: described housing one is cylindrical housings, and the internal diameter of described cylindrical housings is 2.5cm ~ 3.6cm.
3. according to flow detection formula electronic injection fuel consumption instrument according to claim 1, it is characterized in that: also comprise the fuel filter (4) be installed on described oil supply pipe; Be provided with the oil temperature sensor two (13-1) its inside oil temperature being carried out to detection in real time in described steady oily device (8), described oil temperature sensor two (13-1) connects with described Measurement and Control System.
4. according to flow detection formula electronic injection fuel consumption instrument according to claim 1, it is characterized in that: also comprise steady fuel tank (6), described steady fuel tank (6) comprises casing and is laid in the dividing plate in the middle part of described casing, described box house cavity is divided into upper and lower two cavitys by described dividing plate, described oil level evener (7) is arranged in the upper cavity of described casing, and steady oily device (8) is arranged in the lower chamber of described casing; The through hole passed for described fuel feed pump seven (16) is had in the middle part of described dividing plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310196515.9A CN103292852B (en) | 2013-05-23 | 2013-05-23 | Flow detection formula electronic injection fuel consumption instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310196515.9A CN103292852B (en) | 2013-05-23 | 2013-05-23 | Flow detection formula electronic injection fuel consumption instrument |
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| CN103292852A CN103292852A (en) | 2013-09-11 |
| CN103292852B true CN103292852B (en) | 2015-10-07 |
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| CN201310196515.9A Expired - Fee Related CN103292852B (en) | 2013-05-23 | 2013-05-23 | Flow detection formula electronic injection fuel consumption instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109506721B (en) * | 2018-12-09 | 2020-05-19 | 中国航发南方工业有限公司 | Microspore hole flow measuring method |
| CN109540228B (en) * | 2018-12-09 | 2020-05-19 | 中国航发南方工业有限公司 | Device for measuring microspur hole flow |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3831439A (en) * | 1972-06-30 | 1974-08-27 | Toyota Motor Co Ltd | Fuel consumption meter |
| CN201188015Y (en) * | 2008-04-15 | 2009-01-28 | 上海同圆发动机测试工程技术有限公司 | Instrument for measuring instantaneous oil consumption of engine |
| CN101900590A (en) * | 2010-06-29 | 2010-12-01 | 中国兵器装备集团摩托车检测技术研究所 | Volumetric rack electronic injection fuel consumption instrument |
| CN102620787A (en) * | 2012-04-07 | 2012-08-01 | 辽宁工业大学 | Method and device for testing on-automobile gasoline consumption of electric injection gasoline engine automobile |
| CN203274824U (en) * | 2013-05-23 | 2013-11-06 | 中国兵器装备集团摩托车检测技术研究所 | Flow-detection-type electronic injection fuel consumption meter |
-
2013
- 2013-05-23 CN CN201310196515.9A patent/CN103292852B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3831439A (en) * | 1972-06-30 | 1974-08-27 | Toyota Motor Co Ltd | Fuel consumption meter |
| CN201188015Y (en) * | 2008-04-15 | 2009-01-28 | 上海同圆发动机测试工程技术有限公司 | Instrument for measuring instantaneous oil consumption of engine |
| CN101900590A (en) * | 2010-06-29 | 2010-12-01 | 中国兵器装备集团摩托车检测技术研究所 | Volumetric rack electronic injection fuel consumption instrument |
| CN102620787A (en) * | 2012-04-07 | 2012-08-01 | 辽宁工业大学 | Method and device for testing on-automobile gasoline consumption of electric injection gasoline engine automobile |
| CN203274824U (en) * | 2013-05-23 | 2013-11-06 | 中国兵器装备集团摩托车检测技术研究所 | Flow-detection-type electronic injection fuel consumption meter |
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| CN103292852A (en) | 2013-09-11 |
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