CN102937527B - Calibrator used for detecting measurement accuracy of fuel consumption of engine pedestal - Google Patents
Calibrator used for detecting measurement accuracy of fuel consumption of engine pedestal Download PDFInfo
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- CN102937527B CN102937527B CN201210401491.1A CN201210401491A CN102937527B CN 102937527 B CN102937527 B CN 102937527B CN 201210401491 A CN201210401491 A CN 201210401491A CN 102937527 B CN102937527 B CN 102937527B
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- fuel
- engine pedestal
- fuel consumption
- engine
- rotating speed
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- 239000000446 fuel Substances 0.000 title claims abstract description 42
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000005259 measurement Methods 0.000 title claims abstract description 16
- 230000005484 gravity Effects 0.000 claims abstract description 13
- 238000005303 weighing Methods 0.000 claims abstract description 9
- 239000003921 oil Substances 0.000 claims description 28
- 239000000295 fuel oil Substances 0.000 claims description 20
- 230000009471 action Effects 0.000 claims description 4
- 230000001052 transient effect Effects 0.000 claims description 4
- 239000010761 intermediate fuel oil Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 10
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Testing Of Engines (AREA)
Abstract
The invention discloses a calibrator used for detecting measurement accuracy of fuel consumption of an engine pedestal, comprising a power output system, a fuel weighing system and a human-computer interface, wherein an output shaft of the power output system is connected with an input shaft of a dynamometer in the engine pedestal, the power output system is provided with a rotating speed and torque meter; the fuel weighing system comprises a fuel storage bottle and a gravity sensor arranged below the fuel storage bottle, the fuel storage bottle is provided with a fuel inlet pipe and a fuel outlet pipe, and the fuel inlet pipe is connected with a fuel pipeline in the engine pedestal; and the human-computer interface and the rotating speed and torque meter are electrically connected to display rotating speed and torque data, the human-computer interface is electrically connected with the gravity sensor to display fuel variation, and start and stop buttons are arranged on the human-computer interface. The calibrator disclosed by the invention is standard equipment which simulates an engine, standard fuel consumption is tested, and the tested standard fuel consumption is compared with a corresponding test result of the engine pedestal, so that the measurement accuracy of the engine pedestal is checked and calibrated.
Description
Technical field
The present invention relates to engine rig test technical field of measurement and test, especially relating to a kind of marking apparatus for detecting measurement accuracy of fuel consumption of engine pedestal.
Background technology
In the performance test process of engine, fuel consumption is important performance index, and it directly reflects the fuel economy of engine under a certain operating mode, and then can be analyzed the effective thermal efficiency of engine by this numerical value.
The test of engine fuel consumption rate is tested by engine rig test, and the measuring accuracy of engine rig test fuel consumption affects the accuracy of engine calibration, and then affects engine performance index.
The measuring accuracy of engine rig test fuel consumption, is not only limited by the measuring accuracy of fuel consumption meter, is also limited by the measuring accuracy of dynamometer machine, comprises rotating speed and the moment of torsion of dynamometer machine, and three variablees all have an impact to the measuring accuracy of fuel consumption.Engine pedestal is along with climatic environment, service condition change, and measuring accuracy can change, and affects the accurate calibration of engine fuel consumption rate.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of marking apparatus for detecting measurement accuracy of fuel consumption of engine pedestal, and it can accurately reflect measurement accuracy of fuel consumption of engine pedestal, the fuel consumption of verification, demarcation engine pedestal.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of marking apparatus for detecting measurement accuracy of fuel consumption of engine pedestal, and described marking apparatus comprises:
Power output system, the output shaft of power output system is connected with the input shaft of the dynamometer machine in engine pedestal, and power output system is provided with rotating speed and torductor;
Fuel oil weighing system, described fuel oil weighing system comprises oil storage bottle and is located at the gravity sensor below oil storage bottle, and oil storage bottle is provided with oil inlet pipe and flowline, and described oil inlet pipe is connected with engine pedestal intermediate fuel oil pipeline;
Man-machine interface, described man-machine interface is electrically connected with described rotating speed and torductor and shows rotating speed and torque data, and man-machine interface is electrically connected with gravity sensor and shows fuel oil variable quantity, and man-machine interface is provided with action button.
Power-equipment in described power output system is motor.
Described motor is provided with the power meter measuring motor input power.
Described oil inlet pipe is provided with the flow instrument measuring fuel oil transient flow.
Described oil inlet pipe is provided with normal stream gauge before flow instrument.
Described rotating speed and the measuring accuracy of torductor are higher than the measuring accuracy of the dynamometer machine in engine pedestal.
The present invention compared with prior art, have the following advantages: this marking apparatus is the standard device imitating engine, by the rotating speed in power system and torductor, accurately measure rotating speed and moment of torsion, thus calculate output power size accurately, the variable quantity in certain hour in oil storage bottle before and after fuel oil is measured again by gravity sensor, calculate the fuel consumption of standard, contrast with corresponding engine rig test result, thus School Affairs demarcation is carried out to the measuring accuracy of engine pedestal equipment.
Accompanying drawing explanation
Below the content expressed by each width accompanying drawing of this instructions and the mark in figure are briefly described:
Fig. 1 is marking apparatus organigram of the present invention.
In figure: 1. support, 2. universal wheel, 3. motor, 4. rotary speed torque sensor, 5. framework, 6. oil storage bottle, 7. oil inlet pipe, 8. flow instrument, 9. normal stream gauge, 10. flowline, 11. gravity sensors, 12. man-machine interfaces.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, a kind of marking apparatus for detecting measurement accuracy of fuel consumption of engine pedestal, for imitating the standard device of engine, School Affairs demarcation is carried out to the measuring accuracy of engine pedestal equipment, improve the measuring accuracy of engine rig test fuel consumption, thus ensure that engine pedestal can accurately be demarcated engine fuel consumption rate.
This marking apparatus comprises support 1, power output system, fuel oil weighing system, man-machine interface 12.
Wherein, support 1 is the supporting body of this marking apparatus, and fixed and arranged power take-off system is unified fuel oil weighing system and man-machine interface 12, is provided with universal wheel 2, can moves freely below support 1, easy to use.
The output shaft of power output system is connected with the input shaft of the dynamometer machine in engine pedestal, and power output system is provided with rotating speed and torductor, can accurately measure rotating speed and the torque of motor output, thus the output power accurately calculated.Preferably, power-equipment in power output system is motor 3, motor 3 is fixedly installed on support 1, the rotary speed torque sensor 4 of rotating speed and torductor is located at the clutch end of motor 3, and on motor, be provided with the power meter measuring motor input power, output power, compared with power input, can be drawn the work efficiency of motor by output and power input, can prevent equipment failure from producing abnormal data with reference to these data.
For ensureing the accuracy of demarcating, the measuring accuracy of rotating speed and torductor is higher than the measuring accuracy of the dynamometer machine in engine pedestal, and the measuring accuracy of the flow instrument of measurement fuel oil instantaneous delivery in this marking apparatus is also higher than the measuring accuracy of flow instrument in engine pedestal.
Fuel oil weighing system, comprise oil storage bottle 6 and gravity sensor 11, gravity sensor 11 is located at below oil storage bottle 6, is provided with on the framework 5 on support 1 bottom gravity sensor 11, oil storage bottle 6 is provided with oil inlet pipe 7 and flowline 10, and oil inlet pipe 7 is connected with engine pedestal intermediate fuel oil pipeline.When the fuel oil in oil storage bottle is more, flowline can be opened and release utilization.Further, oil inlet pipe 7 is provided with the flow instrument 8 measuring fuel oil transient flow, measures fuel oil instantaneous delivery, further, oil inlet pipe 7 is provided with normal stream gauge 9 before flow instrument 8, throttling limited flow scope, the degree of accuracy of guaranteed flow instrument.And on oil inlet pipe and flowline, be provided with solenoid valve, the opening and closing of control oil pipe.
Man-machine interface 12, described man-machine interface is electrically connected with described rotating speed and torductor and shows rotating speed and torque data, and man-machine interface is electrically connected with gravity sensor and shows fuel oil variable quantity, and man-machine interface is provided with action button.The display of man-machine interface also can show input voltage, input current, the power input of motor, and the printer of man-machine interface can the data-printing measured out, be convenient to analyze contrast.
When marking apparatus is started working time, the motor operation of power output system is set in some operating modes by man-machine interface action button, the size of its rotating speed and moment of torsion is measured by rotating speed and torductor, calculates output power by formula Power=rotating speed * moment of torsion/9549.5.Measure fuel oil instantaneous delivery by flow instrument, measured the weight change amount of fuel oil in certain hour by gravity sensor.Wherein, fuel consumption instantaneous value calculates according to the output power of motor transient state and fuel oil instantaneous delivery, and fuel consumption steady-state value refers to that the weight change gauge before and after certain hour built-in motor output work and oil storage bottle calculates.Both data are combined with each other, thus contrast with the test result of engine pedestal, judge the precision that fuel consumption of engine pedestal is measured, realize demarcating engine pedestal School Affairs, except demarcating fuel consumption, also can rated engine speed and moment of torsion and fuel consumption, ensure the measuring accuracy of engine pedestal.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (5)
1. for detecting a marking apparatus for measurement accuracy of fuel consumption of engine pedestal, it is characterized in that: described marking apparatus comprises:
Power output system, the output shaft of power output system is connected with the input shaft of the dynamometer machine in engine pedestal, and power output system is provided with rotating speed and torductor;
Fuel oil weighing system, described fuel oil weighing system comprises oil storage bottle (6) and is located at the gravity sensor (11) below oil storage bottle, oil storage bottle (6) is provided with oil inlet pipe (7) and flowline (10), and described oil inlet pipe (7) is connected with engine pedestal intermediate fuel oil pipeline;
Man-machine interface, described man-machine interface (12) is electrically connected with described rotating speed and torductor and shows rotating speed and torque data, man-machine interface is electrically connected with gravity sensor (11) and shows fuel oil variable quantity, and man-machine interface is provided with action button;
Described oil inlet pipe (7) is provided with the flow instrument (8) measuring fuel oil transient flow.
2. as claimed in claim 1 for detecting the marking apparatus of measurement accuracy of fuel consumption of engine pedestal, it is characterized in that: the power-equipment in described power output system is motor (3).
3. as claimed in claim 2 for detecting the marking apparatus of measurement accuracy of fuel consumption of engine pedestal, it is characterized in that: described motor (3) is provided with the power meter measuring motor input power.
4. as claimed in claim 1 for detecting the marking apparatus of measurement accuracy of fuel consumption of engine pedestal, it is characterized in that: on described oil inlet pipe (7), flow instrument (8) is front is provided with normal stream gauge (9).
5. the marking apparatus for detecting measurement accuracy of fuel consumption of engine pedestal as described in any one of Claims 1-4, is characterized in that: described rotating speed and the measuring accuracy of torductor are higher than the measuring accuracy of the dynamometer machine in engine pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210401491.1A CN102937527B (en) | 2012-10-19 | 2012-10-19 | Calibrator used for detecting measurement accuracy of fuel consumption of engine pedestal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210401491.1A CN102937527B (en) | 2012-10-19 | 2012-10-19 | Calibrator used for detecting measurement accuracy of fuel consumption of engine pedestal |
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| Publication Number | Publication Date |
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| CN102937527A CN102937527A (en) | 2013-02-20 |
| CN102937527B true CN102937527B (en) | 2015-04-29 |
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| CN201210401491.1A Active CN102937527B (en) | 2012-10-19 | 2012-10-19 | Calibrator used for detecting measurement accuracy of fuel consumption of engine pedestal |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362680B (en) * | 2013-08-08 | 2016-12-28 | 安徽江淮汽车股份有限公司 | A kind of vehicle engine control unit basis caliberating device |
| CN103575437B (en) * | 2013-11-06 | 2017-02-08 | 中国第一汽车股份有限公司 | Method for real-time monitoring of torque state of calibration platform |
| CN103808455A (en) * | 2014-03-04 | 2014-05-21 | 广西玉柴机器股份有限公司 | Method for correcting parameters of test bench and assistant fixture |
| CN107907175B (en) * | 2017-11-07 | 2020-01-10 | 大连海事大学 | Marine diesel engine oil consumption comparison metering method and high-precision measuring system |
| CN114544181A (en) * | 2022-01-27 | 2022-05-27 | 南京航空航天大学 | Calibration system and control method for electronic control aviation two-stroke kerosene engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2053478A (en) * | 1979-05-31 | 1981-02-04 | Autoipari Kutato Intezet | A Process for Measuring Fuel Consumption by Periodical Weight Measurements Mainly for Testing Internal Combustion Engines |
| DE102007040106A1 (en) * | 2007-08-24 | 2009-02-26 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Mobile torque calibration device for e.g. engine dynamometer, has sensor subjected with reference torque sensor by calibration torque, where electric motor is arranged on frame of carriage |
| CN101441131A (en) * | 2008-12-08 | 2009-05-27 | 奇瑞汽车股份有限公司 | Engine oil consumption quantity measuring instrument |
| CN202119510U (en) * | 2011-07-13 | 2012-01-18 | 梁桂森 | Online calibration device of motor instant oil consumption instrument |
-
2012
- 2012-10-19 CN CN201210401491.1A patent/CN102937527B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2053478A (en) * | 1979-05-31 | 1981-02-04 | Autoipari Kutato Intezet | A Process for Measuring Fuel Consumption by Periodical Weight Measurements Mainly for Testing Internal Combustion Engines |
| DE102007040106A1 (en) * | 2007-08-24 | 2009-02-26 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Mobile torque calibration device for e.g. engine dynamometer, has sensor subjected with reference torque sensor by calibration torque, where electric motor is arranged on frame of carriage |
| CN101441131A (en) * | 2008-12-08 | 2009-05-27 | 奇瑞汽车股份有限公司 | Engine oil consumption quantity measuring instrument |
| CN202119510U (en) * | 2011-07-13 | 2012-01-18 | 梁桂森 | Online calibration device of motor instant oil consumption instrument |
Non-Patent Citations (1)
| Title |
|---|
| CTM型拖拉机综合测试仪油耗传感器的标定及校验方法;王志文;《计量技术》;19911231(第5期);第14-16页 * |
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| CN102937527A (en) | 2013-02-20 |
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