CN109084868B - System and method for calibrating automobile fuel consumption detector by carbon balance method - Google Patents
System and method for calibrating automobile fuel consumption detector by carbon balance method Download PDFInfo
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- CN109084868B CN109084868B CN201810786915.8A CN201810786915A CN109084868B CN 109084868 B CN109084868 B CN 109084868B CN 201810786915 A CN201810786915 A CN 201810786915A CN 109084868 B CN109084868 B CN 109084868B
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- 239000000446 fuel Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 94
- 238000005303 weighing Methods 0.000 claims abstract description 53
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 39
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000007689 inspection Methods 0.000 claims abstract description 35
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 18
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 17
- 238000012795 verification Methods 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 2
- 210000000078 claw Anatomy 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
- G01F25/14—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using a weighing apparatus
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a verification system and a verification method for an automobile fuel consumption detector by a carbon balance method, wherein the verification system comprises a tank body placing frame, a calculation and weighing electronic balance arranged outside the tank body placing frame, a fuel consumption instrument which is arranged outside the tank body placing frame and is used for detection, and a gas tank arranged in the tank body placing frame; the gas tank comprises a first tank body storing first high-concentration calibration gas, a second tank body storing second medium-concentration inspection gas, a third tank body storing third low-concentration inspection gas, a fourth tank body storing fourth nitrogen gas and a fifth tank body storing fifth carbon dioxide; the concentrations of the first high-concentration calibration gas, the second medium-concentration inspection gas and the third low-concentration inspection gas are sequentially reduced. The invention has reasonable design, compact structure and convenient use.
Description
Technical Field
The invention relates to a system and a method for calibrating an automobile fuel consumption detector by a carbon balance method.
Background
The fuel consumption meter is an important tool for engine test development, is used for measuring the fuel consumption of an engine and a whole vehicle, is widely used at present, and can display the fuel consumption of the engine in real time, and the accuracy is reduced and recalibration is needed after the transient fuel consumption meter is used for a period of time.
In the prior art, the accuracy of the fuel consumption meter is calibrated mainly by using a comparison method, as shown in fig. 1, a stop valve 101 is opened, oil flows through a fuel consumption meter to be measured 102, flows into a standard fuel consumption meter 104 through a rectifier 103, and can be regulated by a flow regulating valve 105. And reading the fuel consumption meter 102 to be measured and the standard fuel consumption meter 104 to be measured respectively, and comparing and calibrating.
The calibration method of the fuel consumption meter in the prior art must ensure the accuracy of the standard fuel consumption meter 104, and is difficult to realize in practice due to factors such as long-term use loss, and the standard fuel consumption meter 104 needs to be calibrated regularly; and when the measurement results of the two oil consumption meters are inconsistent, the accuracy of which oil consumption meter is distorted cannot be determined, or the accuracy of the two oil consumption meters is distorted at the same time, so that the calibration result is inaccurate, and the use of the vehicle is finally affected.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a system and a method for calibrating an automobile fuel consumption detector by a carbon balance method; the technical problems to be solved in detail and the advantages to be achieved are described in detail below and in conjunction with the detailed description.
In order to solve the problems, the invention adopts the following technical scheme:
the verification system for the automobile fuel consumption detector by the carbon balance method comprises a tank body placing frame, a calculation and weighing electronic balance arranged on the outer side of the tank body placing frame, a fuel consumption instrument which is arranged on the outer side of the tank body placing frame and used for detection, and a gas tank arranged in the tank body placing frame;
the gas tank comprises a first tank body storing first high-concentration calibration gas, a second tank body storing second medium-concentration inspection gas, a third tank body storing third low-concentration inspection gas, a fourth tank body storing fourth nitrogen gas and a fifth tank body storing fifth carbon dioxide; the concentrations of the first high-concentration calibration gas, the second medium-concentration inspection gas and the third low-concentration inspection gas are sequentially reduced.
As a further improvement of the above technical scheme:
a fifth heating and pressure reducing valve, a fifth electromagnetic valve, a fifth pressure sensor, a fifth flowmeter and a fifth injection joint are connected between the outlet of the fifth tank body and the multiway valve at the inlet of the fuel consumption meter sequentially through a fifth detection pipeline;
a fourth pressure reducing valve, a fourth electromagnetic valve and a fourth pressure sensor are connected between the outlet of the fourth tank body and the multiway valve at the inlet of the oil consumption instrument in sequence through pipelines;
the outlet of the third tank body is connected with a third pressure reducing valve which is connected with a third selection valve, and a mixing pressure sensor is arranged on the mixing intercommunication; the third selection valve is connected with a third outlet valve through mixed intercommunication, and the third outlet valve is connected with the multi-way valve;
the outlet of the second tank body is connected with a second pressure reducing valve, the second pressure reducing valve is connected with a second selecting valve, the second selecting valve is connected with a second outlet valve through mixing intercommunication, and the second outlet valve is connected with a multi-way valve;
a first pressure reducing valve, a first electromagnetic valve and a first pressure sensor are connected between an outlet of the first tank body and a multi-way valve at an inlet of the fuel consumption meter sequentially through pipelines.
The automatic weighing device comprises a tank body placing frame, a lifting guide column, a three-jaw chuck, a lifting push rod, a weighing electronic scale, a gas circuit fixing block, a conveying manipulator, a hook ring and a hook claw, wherein the lifting guide column is vertically arranged in the tank body placing frame, the three-jaw chuck is used for placing a single tank body, the lifting guide column is arranged on the lifting guide column, the lifting push rod is further arranged at the bottom of the tank body placing frame and used for lifting the three-jaw chuck upwards, the weighing electronic scale is arranged below the three-jaw chuck, the gas circuit fixing block is arranged on the tank body placing frame and used for connecting a hose joint, the conveying manipulator is arranged on one side of the tank body placing frame, the hook ring is arranged on the three-jaw chuck, and the hook claw used for hooking the hook ring is arranged on the conveying manipulator.
The control unit is also included; the control unit comprises a main socket connected with the mains supply, a control coil connected in parallel between an end A and an end N of the main socket, a charging controller, a switching power supply and an intermediate relay, a battery unit, a coulombmeter, a display screen and a power supply output end, wherein the input end of the battery unit is electrically connected with the output end of the charging controller;
a normally closed electric shock switch of the intermediate relay is arranged between the input end of the power output end and the output end of the battery pack unit, and a normally open electric shock switch of the intermediate relay is arranged between the input end of the power output end and the output end of the switching power supply;
the power output end is divided into three paths, the first path is connected with a weighing module for calculating the weighing electronic balance and/or the weighing electronic scale through a weighing boat type switch QA, and the weighing module is electrically connected with a weighing sensor; the second path is divided into three branches after passing through the main power switch; the first branch is electrically connected with a push rod cable access end and/or a lifting push rod of the computational weighing electronic balance through a push rod ship-shaped switch, the second branch is electrically connected with a touch screen, and the third branch is electrically connected with a flow controller of a fifth flowmeter;
the power supply output end is also electrically connected with a first editable controller and a second editable controller;
the first editable controller is led out of a MODBUS communication line through a D+ end and a D-end, and the MODBUS communication line is electrically connected with the weighing module and the flow controller respectively; .
The corresponding Y port of the first editable controller is respectively and electrically connected with control coils of the first electromagnetic valve, the second selection valve, the second outlet valve, the third selection valve, the fourth electromagnetic valve and the fifth electromagnetic valve through the DC voltage reduction modules;
the corresponding V port and I port of the second editable controller are respectively and electrically connected with the first pressure sensor, the mixed pressure sensor, the fourth pressure sensor and the fifth pressure sensor.
The verification method of the automobile fuel consumption detector by the carbon balance method specifically comprises the following steps of:
firstly, placing respective tanks of a first high-concentration calibration gas, a second medium-concentration inspection gas, a third low-concentration inspection gas and a fourth nitrogen gas into a tank placement frame through a conveying manipulator, and simultaneously placing a tank of fifth carbon dioxide onto a computational weighing electronic balance; then, connecting the pipelines of the first high-concentration calibration gas, the second medium-concentration inspection gas, the third low-concentration inspection gas and the fourth nitrogen to the interfaces corresponding to the gas path fixing blocks;
step two, firstly, starting fourth nitrogen, filling the fourth nitrogen as zero gas into a fuel consumption instrument to be detected, and resetting the index of the fuel consumption instrument; then, filling a first high-concentration calibration gas into the oil consumption instrument, and calibrating the oil consumption instrument; secondly, the second medium-concentration inspection gas and the third low-concentration inspection gas are introduced into the fuel consumption meter, and whether the calibration index of the fuel consumption meter is accurate is verified;
executing the third step when the index is accurate, and executing the second step again when the index is inaccurate;
step three, introducing fifth carbon dioxide into the oil consumption instrument;
and fourthly, manually calculating and outputting the carbon content in the carbon dioxide according to the weight difference of the calculated and weighed electronic balance, comparing the carbon content with an index of the oil consumption instrument, and judging whether the oil consumption instrument is accurate or not.
As a further improvement of the above technical scheme:
before the first step, the lifting push rod is lifted to drive the corresponding tank body to descend and fall on the weighing electronic scale periodically, and the gas quality in the tank body is detected.
The method adopts an electronic balance to weigh the CO2 gas tank, calculates the weight of injected gas, compares the weight with the measured data of the fuel consumption meter, manually calculates an error value, and manually controls a valve, calibrates and injects in the whole process.
1. The price is low; 2. the equipment failure rate is low; 3. the detection equipment of the existing fuel consumption meter manufacturer adopts the scheme, and the technology is mature.
1. Nitrogen connection: the nitrogen output port is connected with the pressure reducing valve and is connected to a zero gas port of the oil consumption instrument through a hose, and zero gas is introduced into the equipment to eliminate air interference;
2. high-concentration mixed gas connection: the high-concentration mixed gas output port is connected with a pressure reducing valve, is connected to a calibration gas interface of the fuel consumption meter through a hose, and is used for introducing calibration gas into equipment and calibrating the equipment;
3. and (3) connecting the medium-concentration and low-concentration mixed gas: the medium-concentration mixed gas output port and the low-concentration mixed gas output port are connected with a pressure reducing valve and are connected to a tee joint, are combined into an output port, are connected to a fuel consumption meter calibration gas interface through a hose, and are filled with inspection gas to check the measurement accuracy of equipment;
4. carbon dioxide connection; the high-purity carbon dioxide is arranged on the electronic balance, the gas output port is connected with the heating pressure reducing valve, the gas output port is connected with the rotameter in series through a hose and is connected with the input port of the injection joint, and the output of the injection joint is connected with the detection tube of the oil consumption meter.
5. Four bottles of gas, namely nitrogen, high-concentration mixed gas, medium-concentration mixed gas and low-concentration mixed gas, are placed in an aviation aluminum box, and are directly taken out for soft use when needed, and 5 bottles of gas can be placed in the aviation aluminum box, so that equipment accessories can be stored uniformly.
The beneficial effects of the present invention are not limited to this description, but are described in more detail in the detailed description section for better understanding.
Drawings
Fig. 1 is a schematic diagram of the hardware of the present invention.
Fig. 2 is a schematic structural view of the gas circuit of the present invention.
Fig. 3 is a schematic view of the structure of the power supply portion of the present invention.
Fig. 4 is a schematic diagram of the wiring structure of the present invention.
Fig. 5 is a schematic view of the structure of the PLC of the present invention.
Wherein: 1. a first high concentration calibration gas; 2. a second medium concentration inspection gas; 3. a third low concentration inspection gas; 4. a fourth nitrogen gas; 5. fifth carbon dioxide; 6. lifting the guide post; 7. lifting the push rod; 8. weighing an electronic scale; 9. calculating a weighing electronic balance; 10. a three-jaw chuck; 11. a fifth spray connection; 12. a fifth detection line; 13. an oil consumption meter; 14. a fifth heating and pressure reducing valve; 15. a fifth flowmeter; 16. a fifth electromagnetic valve; 17. a fifth pressure sensor; 18. a fourth pressure reducing valve; 19. a fourth electromagnetic valve; 20. a fourth pressure sensor; 21. a first pressure reducing valve; 22. a first electromagnetic valve; 23. a first pressure sensor; 24. a second pressure reducing valve; 25. a second selector valve; 26. a third pressure reducing valve; 27. a third selection valve; 28. mixing and communicating; 29. a second outlet valve; 30. a third outlet valve; 31. the air channel fixing block; 32. a conveying manipulator; 33. a hook claw; 34. a master socket; 35. a charge controller; 36. a battery unit; 37. an intermediate relay; 38. a switching power supply; 39. a coulombmeter; 40. a display screen; 41. a power supply output terminal; 42. a weighing boat type switch QA; 43. a weighing module; 44. a weighing sensor; 45. a main power switch; 46. a push rod boat type switch; 47. a push rod cable access end; 48. a touch screen; 49. a flow controller; 50. a first editable controller; 51. a second editable controller.
Detailed Description
As shown in fig. 1 to 5, the carbon balance method automobile fuel consumption detector verification system of the present embodiment includes a tank placement frame, a computational weighing electronic balance 9 provided outside the tank placement frame, a fuel consumption meter 13 provided outside the tank placement frame and used for detection, and a gas tank placed inside the tank placement frame;
the gas tank comprises a first tank body storing a first high-concentration calibration gas 1, a second tank body storing a second medium-concentration inspection gas 2, a third tank body storing a third low-concentration inspection gas 3, a fourth tank body storing a fourth nitrogen gas 4 and a fifth tank body storing fifth carbon dioxide 5; the concentrations of the first high-concentration calibration gas 1, the second medium-concentration inspection gas 2 and the third low-concentration inspection gas 3 are sequentially reduced.
A fifth heating and pressure reducing valve 14, a fifth electromagnetic valve 16, a fifth pressure sensor 17, a fifth flowmeter 15 and a fifth injection joint 11 are connected between the outlet of the fifth tank body and the multiway valve at the inlet of the fuel consumption meter 13 sequentially through a fifth detection pipeline 12;
a fourth pressure reducing valve 18, a fourth electromagnetic valve 19 and a fourth pressure sensor 20 are connected between the outlet of the fourth tank body and the multi-way valve at the inlet of the fuel consumption meter 13 in sequence through pipelines;
a third pressure reducing valve 26 is connected to the outlet of the third tank body, a third selecting valve 27 is connected to the third pressure reducing valve 26, and a mixing pressure sensor is arranged on the mixing intercommunication 28; the third selector valve 27 is connected with a third outlet valve 30 through a mixing intercommunication 28, and the third outlet valve 30 is connected with a multi-way valve;
the outlet of the second tank body is connected with a second pressure reducing valve 24, the second pressure reducing valve 24 is connected with a second selecting valve 25, the second selecting valve 25 is connected with a second outlet valve 29 through a mixing intercommunication 28, and the second outlet valve 29 is connected with a multi-way valve;
a first pressure reducing valve 21, a first electromagnetic valve 22 and a first pressure sensor 23 are connected between the outlet of the first tank body and the multiway valve at the inlet of the fuel consumption meter 13 in sequence through pipelines.
The automatic weighing device comprises a tank body placing frame, a lifting guide column 6, a three-jaw chuck 10, a lifting push rod 7, a weighing electronic scale 8, a gas circuit fixing block 31, a conveying manipulator 32, a hook ring and a hook claw 33, wherein the lifting guide column 6 is vertically arranged in the tank body placing frame, the three-jaw chuck 10 is used for placing a single tank body, the lifting push rod 7 is further arranged at the bottom of the tank body placing frame and used for lifting the three-jaw chuck 10 upwards, the weighing electronic scale 8 is arranged below the three-jaw chuck 10, the gas circuit fixing block 31 is used for connecting a hose connector is arranged on the tank body placing frame, the conveying manipulator 32 is arranged on one side of the tank body placing frame, the hook ring is arranged on the three-jaw chuck 10, and the hook claw 33 used for hooking the hook ring is arranged on the conveying manipulator 32.
The control unit is also included; the control unit comprises a main socket 34 connected with the mains supply, a control coil connected in parallel between the end A and the end N of the main socket 34, a charging controller 35, a switching power supply 38 and an intermediate relay 37, a battery unit 36 with an input end electrically connected with the output end of the charging controller 35, a coulometer 39 electrically connected with the battery unit 36, a display screen 40 electrically connected with the coulometer 39 and a power supply output end 41;
a normally closed electric shock switch of the intermediate relay 37 is arranged between the input end of the power output end 41 and the output end of the battery pack unit 36, and a normally open electric shock switch of the intermediate relay 37 is arranged between the input end of the power output end 41 and the output end of the switching power supply 38;
the power output end 41 is divided into three paths, the first path is connected with a weighing module 43 for calculating and weighing the electronic balance 9 and/or the electronic weighing balance 8 through a weighing boat type switch QA42, and the weighing module 43 is electrically connected with a weighing sensor 44; the second path is divided into three branches after passing through the main power switch 45; the first branch is electrically connected with a push rod cable access end 47 and/or a lifting push rod 7 of the computational weighing electronic balance 9 through a push rod ship-shaped switch 46, the second branch is electrically connected with a touch screen 48, and the third branch is electrically connected with a flow controller 49 of the fifth flowmeter 15;
the power output end 41 is also electrically connected with a first editable controller 50 and a second editable controller 51;
the first editable controller 50 leads out a MODBUS communication line through the d+ end and the D-end, and the MODBUS communication line is electrically connected with the weighing module 43 and the flow controller 49 respectively; .
The corresponding Y port of the first editable controller 50 is electrically connected with the control coils of the first electromagnetic valve 22, the second selection valve 25, the second outlet valve 29, the third outlet valve 30, the third selection valve 27, the fourth electromagnetic valve 19 and the fifth electromagnetic valve 16 through the respective connection DC voltage reducing modules;
the corresponding V-port and I-port of the second editable controller 51 are electrically connected to the first pressure sensor 23, the hybrid pressure sensor, the fourth pressure sensor 20, and the fifth pressure sensor 17, respectively.
The verification method of the automobile fuel consumption detector by the carbon balance method of the embodiment specifically comprises the following steps:
firstly, placing respective tanks of a first high-concentration calibration gas 1, a second medium-concentration inspection gas 2, a third low-concentration inspection gas 3 and a fourth nitrogen gas 4 into a tank placement frame through a conveying manipulator 32, and simultaneously placing a tank of fifth carbon dioxide 5 onto a computational weighing electronic balance 9; then, connecting the pipelines of the first high-concentration calibration gas 1, the second medium-concentration inspection gas 2, the third low-concentration inspection gas 3 and the fourth nitrogen 4 to the interfaces corresponding to the gas path fixing blocks 31;
step two, firstly, starting fourth nitrogen 4, and filling the fourth nitrogen as zero gas into a fuel consumption instrument 13 to be detected, wherein the index of the fuel consumption instrument 13 is cleared; then, the first high-concentration calibration gas 1 is filled into the fuel consumption meter 13, and the fuel consumption meter 13 is calibrated; secondly, the second medium-concentration check gas 2 and the third low-concentration check gas 3 are introduced into the fuel consumption meter 13, and whether the calibration index of the fuel consumption meter 13 is accurate is verified;
executing the third step when the index is accurate, and executing the second step again when the index is inaccurate;
step three, introducing fifth carbon dioxide 5 into the fuel consumption meter 13;
and fourthly, manually calculating the carbon content in the output carbon dioxide according to the weight difference of the calculated and weighed electronic balance 9, comparing the carbon content with the index of the fuel consumption instrument 13, and judging whether the fuel consumption instrument 13 is accurate or not.
Before the first step, the lifting push rod 7 is lifted to drive the corresponding tank body to descend and fall on the weighing electronic scale 8 periodically, and the gas quality in the tank body is detected.
When the method is used, the components and the contents of the first high-concentration calibration gas 1, the second medium-concentration inspection gas 2 and the third low-concentration inspection gas 3 are determined according to JTT1013-2015 carbon balance method automobile fuel consumption detector, the fourth nitrogen gas 4 has stable components and low cost, and the fifth carbon dioxide 5 has stable C element and low cost; the guiding is realized by lifting the guiding post 6. When the electronic weighing machine is normally used, the lifting push rod 7 enables the electronic weighing scale 8 to bear weight for a long time, the service life is prolonged, the electronic weighing scale 9 is calculated to be convenient for weighing weight change, the tank body is self-centering through the three-jaw chuck 10, the clamping seat is convenient and firm, quick connection is realized through the fifth spray joint 11, the fifth heating and pressure reducing valve 14 is heated to improve air flow pressure, the fifth flowmeter 15 is used for calibrating the weighing value, the secondary verification function is achieved, the fifth electromagnetic valve 16 is used for realizing electronic control, the second selector valve 25 and the second outlet valve 29 are used for realizing opening and closing control, and the mixed communication 28 is realized; the air circuit fixed block 31 ensures that the pipeline is orderly, the arrangement is orderly, the quick connection is convenient, the tank body is replaced through the conveying manipulator 32 and the hook claw 33, the labor is saved, the power and the mains supply are interlocked through the intermediate relay 37, the control of the electronic scale is realized through the weighing module 43, the push rod cable access end 47 is informed to control the lifting of the screw rod through the weighing sensor 44, and the dual-core processing is realized through the first editable controller 50 and the second editable controller 51.
The invention has reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, fund saving, compact structure and convenient use.
The present invention has been fully described for the purposes of clarity and understanding, and is not necessarily limited to the prior art.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; it is obvious to a person skilled in the art to combine several embodiments of the invention. Such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A carbon balance method automobile fuel consumption detector verification system is characterized in that: the gas tank comprises a tank body placing frame, a calculating and weighing electronic balance (9) arranged outside the tank body placing frame, a fuel consumption meter (13) which is arranged outside the tank body placing frame and is used for detection, and a gas tank which is placed in the tank body placing frame;
the gas tank comprises a first tank body storing a first high-concentration calibration gas (1), a second tank body storing a second medium-concentration inspection gas (2), a third tank body storing a third low-concentration inspection gas (3), a fourth tank body storing a fourth nitrogen gas (4) and a fifth tank body storing fifth carbon dioxide (5); the concentrations of the first high-concentration calibration gas (1), the second medium-concentration inspection gas (2) and the third low-concentration inspection gas (3) are sequentially reduced.
2. The calibration system for the automobile fuel consumption detector by the carbon balance method according to claim 1, wherein a fifth heating and pressure reducing valve (14), a fifth electromagnetic valve (16), a fifth pressure sensor (17), a fifth flowmeter (15) and a fifth injection joint (11) are connected between an outlet of the fifth tank body and a multi-way valve at an inlet of the oil consumption meter (13) sequentially through a fifth detection pipeline (12);
a fourth pressure reducing valve (18), a fourth electromagnetic valve (19) and a fourth pressure sensor (20) are connected between the outlet of the fourth tank body and the multiway valve at the inlet of the oil consumption instrument (13) through pipelines in sequence;
a third pressure reducing valve (26) is connected to the outlet of the third tank body, a third selecting valve (27) is connected to the third pressure reducing valve (26), and a mixing pressure sensor is arranged on the mixing intercommunication (28); the third selection valve (27) is connected with a third outlet valve (30) through a mixing intercommunication (28), and the third outlet valve (30) is connected with the multi-way valve;
the outlet of the second tank body is connected with a second pressure reducing valve (24), the second pressure reducing valve (24) is connected with a second selecting valve (25), the second selecting valve (25) is connected with a second outlet valve (29) through a mixing intercommunication (28), and the second outlet valve (29) is connected with a multi-way valve;
a first pressure reducing valve (21), a first electromagnetic valve (22) and a first pressure sensor (23) are connected between the outlet of the first tank body and the multiway valve at the inlet of the fuel consumption meter (13) sequentially through pipelines.
3. The verification system for fuel consumption detector of carbon balance method automobile according to claim 1, wherein a lifting guide column (6) is vertically arranged in the tank body placing frame, a three-jaw chuck (10) for placing a single tank body is arranged on the lifting guide column (6), a lifting push rod (7) for lifting the three-jaw chuck (10) upwards is further arranged at the bottom of the tank body placing frame, a weighing electronic scale (8) is arranged below the three-jaw chuck (10), an air path fixing block (31) for connecting a hose connector is arranged on the tank body placing frame, a conveying manipulator (32) is arranged on one side of the tank body placing frame, a hook ring is arranged on the three-jaw chuck (10), and a hook (for hooking the hook ring) is arranged on the conveying manipulator (32).
4. The carbon balance method automobile fuel consumption detector verification system according to claim 1, further comprising a control unit; the control unit comprises a main socket (34) connected with the mains supply, a control coil connected in parallel between an end A and an end N of the main socket (34) and a control coil of a switching power supply (38) and an intermediate relay (37), a battery pack unit (36) with an input end electrically connected with an output end of the charging controller (35), a coulombmeter (39) electrically connected with the battery pack unit (36), a display screen (40) electrically connected with the coulombmeter (39) and a power supply output end (41);
a normally closed electric shock switch of an intermediate relay (37) is arranged between the input end of the power output end (41) and the output end of the battery pack unit (36), and a normally open electric shock switch of the intermediate relay (37) is arranged between the input end of the power output end (41) and the output end of the switching power supply (38);
the power output end (41) is divided into three paths, the first path is connected with a weighing module (43) for calculating and weighing the electronic balance (9) and/or the electronic weighing balance (8) through a weighing ship type switch QA (42), and the weighing module (43) is electrically connected with a weighing sensor (44); the second path is divided into three branches after passing through a main power switch (45); the first branch is electrically connected with a push rod cable access end (47) of the computational weighing electronic balance (9) and/or a lifting push rod (7) through a push rod ship-shaped switch (46), the second branch is electrically connected with a touch screen (48), and the third branch is electrically connected with a flow controller (49) of a fifth flowmeter (15);
the power output end (41) is also electrically connected with a first editable controller (50) and a second editable controller (51);
the first editable controller (50) is led out of a MODBUS communication line through a D+ end and a D-end, and the MODBUS communication line is electrically connected with the weighing module (43) and the flow controller (49) respectively;
the corresponding Y port of the first editable controller (50) is respectively and electrically connected with control coils of the first electromagnetic valve (22), the second selection valve (25), the second outlet valve (29), the third outlet valve (30), the third selection valve (27), the fourth electromagnetic valve (19) and the fifth electromagnetic valve (16) through the respective connection DC voltage reduction modules;
the corresponding V port and I port of the second editable controller (51) are respectively and electrically connected with the first pressure sensor (23), the mixed pressure sensor, the fourth pressure sensor (20) and the fifth pressure sensor (17).
5. A method for calibrating an automobile fuel consumption detector by a carbon balance method is characterized in that the system is adopted; the method specifically comprises the following steps:
firstly, placing respective tank bodies of a first high-concentration calibration gas (1), a second medium-concentration inspection gas (2), a third low-concentration inspection gas (3) and a fourth nitrogen gas (4) into a tank body placing frame through a conveying manipulator (32), and simultaneously placing a tank body of fifth carbon dioxide (5) onto a computational weighing electronic balance (9); then, connecting the pipelines of the first high-concentration calibration gas (1), the second medium-concentration inspection gas (2), the third low-concentration inspection gas (3) and the fourth nitrogen (4) to the interfaces corresponding to the gas path fixing blocks (31);
step two, firstly, starting fourth nitrogen (4), filling the fourth nitrogen serving as zero gas into a fuel consumption instrument (13) to be detected, and resetting an index of the fuel consumption instrument (13); then, the first high-concentration calibration gas (1) is filled into the oil consumption instrument (13), and the oil consumption instrument (13) is calibrated; secondly, the second medium-concentration check gas (2) and the third low-concentration check gas (3) are introduced into the fuel consumption meter (13), and whether the calibration index of the fuel consumption meter (13) is accurate or not is verified;
executing the third step when the index is accurate, and executing the second step again when the index is inaccurate;
step three, introducing fifth carbon dioxide (5) into a fuel consumption meter (13);
and fourthly, manually calculating the carbon content in the output carbon dioxide according to the weight difference of the calculated and weighed electronic balance (9), comparing the carbon content with the index of the oil consumption instrument (13), and judging whether the oil consumption instrument (13) is accurate or not.
6. The method for calibrating an automotive fuel consumption detector according to claim 5, wherein the first step is preceded by periodically lifting the lifting push rod (7) to drive the corresponding tank to descend and fall on the weighing electronic scale (8), and detecting the gas quality in the tank.
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| JP2005134138A (en) * | 2003-10-28 | 2005-05-26 | National Institute Of Advanced Industrial & Technology | High precision flowrate measurement method and measurement system |
| CN101470020A (en) * | 2007-12-25 | 2009-07-01 | 清华大学 | Detection system and method for mesomeric state hydrogen gas consumption |
| CN103196506A (en) * | 2013-03-27 | 2013-07-10 | 昆山市佰奥自动化设备科技有限公司 | Automobile fuel consumption tester employing carbon balance method |
| CN103257120A (en) * | 2013-05-20 | 2013-08-21 | 昆山市佰奥自动化设备科技有限公司 | Analysis module of carbon gas compositions for vehicle fuel consumption tester adopting carbon balancing method |
| CN206683703U (en) * | 2017-03-16 | 2017-11-28 | 长安大学 | A kind of diesel vehicle carbon balanced method oil consumption detecting system |
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|---|---|---|---|---|
| JP2005134138A (en) * | 2003-10-28 | 2005-05-26 | National Institute Of Advanced Industrial & Technology | High precision flowrate measurement method and measurement system |
| CN101470020A (en) * | 2007-12-25 | 2009-07-01 | 清华大学 | Detection system and method for mesomeric state hydrogen gas consumption |
| CN103196506A (en) * | 2013-03-27 | 2013-07-10 | 昆山市佰奥自动化设备科技有限公司 | Automobile fuel consumption tester employing carbon balance method |
| CN103257120A (en) * | 2013-05-20 | 2013-08-21 | 昆山市佰奥自动化设备科技有限公司 | Analysis module of carbon gas compositions for vehicle fuel consumption tester adopting carbon balancing method |
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