CN101975663B - Fuel consumption assessment device for fuel cell vehicle - Google Patents
Fuel consumption assessment device for fuel cell vehicle Download PDFInfo
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- CN101975663B CN101975663B CN2010105207611A CN201010520761A CN101975663B CN 101975663 B CN101975663 B CN 101975663B CN 2010105207611 A CN2010105207611 A CN 2010105207611A CN 201010520761 A CN201010520761 A CN 201010520761A CN 101975663 B CN101975663 B CN 101975663B
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- 239000000446 fuel Substances 0.000 title claims abstract description 89
- 238000005303 weighing Methods 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 145
- 239000001257 hydrogen Substances 0.000 claims description 72
- 229910052739 hydrogen Inorganic materials 0.000 claims description 72
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 69
- 238000012360 testing method Methods 0.000 claims description 24
- 238000003860 storage Methods 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000010926 purge Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000011056 performance test Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000011160 research Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a fuel consumption assessment device for a fuel cell vehicle, belonging to the technical field of new energy vehicle performance test and assessment. The fuel consumption assessment device is used for assessing the fuel consumption and economical efficiency of the fuel cell vehicle, and comprises a gas source bottle rack and a pipeline system connected with the gas source bottle rack, wherein the pipeline system is connected with the fuel cell vehicle; the gas source bottle rack comprises a gas bottle bracket, a temperature sensor and a pressure sensor; the gas bottle bracket is used for accommodating gas bottles, and the temperature sensor and the pressure sensor are used for measuring the gas in the gas bottles, and the fuel consumption is calculated based on the measuring results of the temperature sensor and the pressure sensor; the fuel consumption assessment device also comprises a weighing device; and the weighing device comprises a windproof and shockproof tank body, a precision balance and a balance weighing auxiliary device, and is used for carrying out fine measurement on the fuel consumption. The fuel consumption assessment device can realize measuring the fuel consumption of heavy type fuel cell vehicles and assessing the fuel economy of the heavy type fuel cell vehicles.
Description
Technical field
The invention belongs to new-energy automobile testing property and assessment technique field, relate in particular to a kind of fuel consumption assessment device of fuel cell car.
Background technique
Along with domestic fuel cell car research work deeply, carrying out of using of the continuous expansion of demonstration range of operation and lease, the evaluating method of fuel cell car performance has been proposed more and more urgent requirement.And the accurate measurement of fuel consumption and Economy evaluation are in crucial status in fuel cell car performance evaluation.Because the particularity of hydrogen fuel, fuel consumption measuring method that the traditional combustion engine automobile adopted such as carbon balance method etc. also are not suitable for hydrogen fuel, therefore are necessary to study the fuel consumption quantity measuring method that is applicable to hydrogen.The U.S., Japan and each European big automobile manufacturing company, relevant government department launch research work to the method that the hydrogen consumption is measured, and have obtained some interim achievements, and China has also carried out a lot of researchs in this respect.Clearly fuel-cell vehicle has been classified as the emphasis of China's electric vehicle development in country's " 863 Program ".
At present, still under test to the method that the fuel cell car Economy is estimated, in this research field, the test method that gains universal acceptance comprises quality weight method, temperature, pressure method and flowmeter method.
PRD among the present invention is a pressure releasing means; When cause the gas cylinder internal pressure to rise owing to reasons such as gas cylinder are heated, in order to protect the safety of gas cylinder, the rupture disk of PRD can be when pressure reaches certain numerical value; Automatically explosion; Release pressure is because hydrogen is inflammable gas, so the hydrogen that discharges needs rationally to collect, handle.
Summary of the invention
The objective of the invention is to,, be used for the fuel consumption and the Economy of estimating fuel battery automobile for being that the battery car of fuel provides a kind of fuel consumption assessment device with hydrogen.
Technological scheme is, a kind of fuel consumption assessment device of fuel cell car is characterized in that said assessment device comprises source of the gas bottle stand 1 and the pipe-line system 2 that links to each other with said source of the gas bottle stand, and said pipe-line system 2 links to each other with fuel cell car 3;
Said source of the gas bottle stand 1 comprises the gas cylinder support 4 of placing gas cylinder, first collecting pipe 5, second collecting pipe 6 and the 3rd pressurized gas flexible pipe 9, and said gas cylinder support 4 comprises the first pressurized gas flexible pipe 7, the second pressurized gas flexible pipe 8, pressure releasing means PRD 10, the first gas cylinder temperature transducer 14, the first storage pressure sensor 15, the second gas cylinder temperature transducer 16 and the second storage pressure sensor 17;
Said pipe-line system 3 comprises the valve 22, first-class to selecting valve 23, first reduction valve 24, safety valve 25, on-off valve 30, second to flow to and select valve 31, second reduction valve the 32, the 3rd to flow to and select valve 35 and hydrogen filter 36 of air source inlet 18, first gas stream outlet 19, second gas stream outlet 20, gas purging outlet 21, band pneumatic actuator;
The said first pressurized gas flexible pipe, 7 one ends link to each other with first collecting pipe 5, and the other end links to each other with preceding stifled 12 of gas cylinder 11; The second pressurized gas flexible pipe, 8 one ends link to each other with pressure releasing means PRD 10, and the other end links to each other with back stifled 13 of gas cylinder 11; One end of the 3rd pressurized gas flexible pipe 9 links to each other with first collecting pipe 5, and the other end links to each other with the air source inlet 18 of pipe-line system 3; Pressure releasing means PRD 10 also links to each other with second collecting pipe 8; Second collecting pipe 8 links to each other with the air channel of test room;
The said first gas cylinder temperature transducer 14 and the first storage pressure sensor 15 are installed in the preceding of gas cylinder 11 and block up on 12;
The said second gas cylinder temperature transducer 16 and the second storage pressure sensor 17 are installed in the back of gas cylinder 11 and block up on 13;
Said air source inlet 18 links to each other with hydrogen filter 36 with the 3rd pressurized gas flexible pipe 9 respectively;
Said hydrogen filter 36 links to each other with the valve 22 of air source inlet 18 with the band pneumatic actuator respectively;
The valve 22 of said band pneumatic actuator hydrogen filter 36 respectively links to each other to selection valve 23 with first-class;
Said first-classly a road link to each other with first reduction valve 24 to what select valve 23, another road links to each other with safety valve first port 26;
Said first reduction valve 24 links to each other with safety valve second port 27;
Said safety valve second port 27 links to each other with on-off valve second port 29;
Said on-off valve second port 29 and second flows to selects valve 31 to link to each other;
Said on-off valve first port 28 links to each other with gas purging outlet 21 with safety valve first port 26 respectively;
Said second flow to select a road of valve 31 to link to each other with second reduction valve, first port 33, and another road links to each other with second reduction valve, second port 34;
Said second reduction valve, second port 34 and the 3rd flows to selects valve 35 to link to each other;
A road of said the 3rd flow direction selection valve 35 exports 19 with first gas stream and links to each other, and another road links to each other with second gas stream outlet 20;
Said first gas stream outlet 19 links to each other with fuel cell car aerating inlet;
Said second gas stream outlet 20 links to each other with mass flowmenter 37;
Between the valve 22 of said hydrogen filter 36 and band pneumatic actuator, between first reduction valve 24 and safety valve second port 27, between second reduction valve, second port 34 and the 3rd flow direction selection valve 35 the first mechanical compression table 38, the second mechanical compression table 39 and the 3rd mechanical compression table 40 are installed respectively;
Said first-class to selecting the 24 installation first pipeline temperature transducer 41 and first line-pressure sensor 42 between the valve 23 and first reduction valve;
Said on-off valve second port 29 and second flows to selects to install between the valve 31 the second pipeline temperature transducer 43 and second line-pressure sensor 44.
Said assessment device also comprises the quality load cell, and said quality load cell comprises windproof shockproof casing 45, precision balance 46, the balance auxiliary device 47 of weighing.
Weigh auxiliary device 47 of said balance adopts worm and gear-cam-push rod structure.
The said first gas cylinder temperature transducer 14 links to each other with computer respectively with the first storage pressure sensor 15, and the said second gas cylinder temperature transducer 16 links to each other with computer respectively with the second storage pressure sensor 17.
Said gas cylinder 11 adopts the aluminum alloy inner bag and twines coating with graphite fiber.
Effect of the present invention is; Utilize the fuel consumption assessment device of fuel cell car provided by the invention; Cooperate heavy fuel battery car roler bench; Can accomplish for the measurement of heavy fuel battery car fuel consumption and the appraisal of fuel economy, for the fuel cell car technical research provides safeguard with popularizing.
Description of drawings
Fig. 1 is the fuel consumption assessment device structural representation of fuel cell car;
Fig. 2 is that the source of the gas bottle stand is connected schematic representation with gas cylinder;
Fig. 3 is the pipe-line system structural drawing;
Fig. 4 is a quality load cell structural representation;
Fig. 5 is the number of element types tabulation that the fuel consumption assessment device of fuel cell car uses;
Label among the figure:
1-source of the gas bottle stand, 2-pipe-line system, 3-fuel cell car, 4-gas cylinder support, 5-first collecting pipe, 6-second collecting pipe; The 7-first pressurized gas flexible pipe, the 8-second pressurized gas flexible pipe, 9-the 3rd pressurized gas flexible pipe, 10-pressure releasing means PRD, stifled before the 11-gas cylinder, 12-; Stifled behind the 13-, the 14-first gas cylinder temperature transducer, the 15-first storage pressure sensor, the 16-second gas cylinder temperature transducer, the 17-second storage pressure sensor; The 18-air source inlet, the outlet of 19-first gas stream, the outlet of 20-second gas stream, the outlet of 21-gas purging, the valve of 22-band pneumatic actuator; 23-is first-class to selecting valve, 24-first reduction valve, 25-safety valve, 26-safety valve first port, 27-safety valve second port; 28-on-off valve first port, 29-on-off valve second port, 30-on-off valve, 31-second flow to selects valve, 32-second reduction valve; 33-second reduction valve first port, 34-second reduction valve second port, 35-the 3rd flow to selects valve, 36-hydrogen filter, 37-mass flowmenter; The 38-first mechanical compression table, the 39-second mechanical compression table, 40-the 3rd mechanical compression table, the 41-first pipeline temperature transducer, 42-first line-pressure sensor; The 43-second pipeline temperature transducer, 44-second line-pressure sensor, the windproof shockproof casing of 45-, 46-precision balance, the 47-balance auxiliary device of weighing.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment is elaborated.Should be emphasized that following explanation only is exemplary, rather than in order to limit scope of the present invention and application thereof.
Embodiment
Fig. 1 is the fuel consumption assessment device structural representation of fuel cell car, and among Fig. 1, the fuel consumption assessment device of fuel cell car comprises source of the gas bottle stand 1 and the pipe-line system 2 that links to each other with the source of the gas bottle stand, and pipe-line system 2 links to each other with fuel cell car 3.Wherein, the source of the gas bottle stand 1 in the assessment device is removable with pipe-line system 2, and can distinguish independent use, has improved the flexibility of measurement and the compatibility of device.
Fig. 2 is that the source of the gas bottle stand is connected schematic representation with gas cylinder.Among Fig. 2, source of the gas bottle stand 1 comprises gas cylinder support 4 (see figure 1)s of placing gas cylinder, first collecting pipe 5, second collecting pipe 6 and the 3rd pressurized gas flexible pipe 9.Source of the gas bottle stand 1 should have at least 2 the gas cylinder supports 4 that can place gas cylinder, and wherein 1 gas cylinder support is used to place hydrogen cylinder, and 1 is used to place nitrogen bottle.In the present embodiment, source of the gas bottle stand 1 comprises 6 gas cylinder supports 4, and wherein, 5 are used to place hydrogen cylinder, and 1 is used to place nitrogen bottle.5 gas cylinder numbers are according to the required hydrogen supply amount design of the maximum test loop of vehicle load in the world here.Different experimental setups can calculate required hydrogen quality according to the actual requirements to different vehicles to be tested, confirms required hydrogen cylinder number.In addition, because hydrogen is a kind of flammable explosive gas,, run into the danger that naked light just has blast if the density of hydrogen of in air, sneaking into reaches certain numerical value.For this reason, before test, need to use nitrogen will test the air emptying in the pipeline, thereby prevent hydrogen and air mixing, thus the safety of proof test process.
Among Fig. 2, every gas cylinder support 4 comprises the first pressurized gas flexible pipe 7, the second pressurized gas flexible pipe 8, pressure releasing means PRD10, the first gas cylinder temperature transducer 14, the first storage pressure sensor 15, the second gas cylinder temperature transducer 16 and the second storage pressure sensor 17.Gas cylinder 11 is connected specifically with gas cylinder support 4: the first pressurized gas flexible pipe, 7 one ends link to each other with first collecting pipe 5, and the other end links to each other with preceding stifled 12 of gas cylinder 11.One end of the 3rd pressurized gas flexible pipe 9 links to each other with first collecting pipe 5, and the other end links to each other with the air source inlet 18 of pipe-line system 2.Because 1 source of the gas bottle stand in the present embodiment can be placed 5 hydrogen cylinders; And in the process of the test; Possibly need 5 hydrogen cylinders for fuel cell car 3 fuel to be provided jointly,, make the hydrogen of each hydrogen cylinder get into pipe-line system 2 through first collecting pipe 5 so need to use first collecting pipe 5.
The second pressurized gas flexible pipe, 8 one ends link to each other with pressure releasing means PRD 10, and the other end links to each other with back stifled 13 of gas cylinder 11; Pressure releasing means PRD 10 also links to each other with second collecting pipe 6; Second collecting pipe 6 links to each other with the air channel of test room.The effect of pressure releasing means PRD 10 is, when the pressure in the gas cylinder 11 is excessive, can discharge pressure of the inside of a bottle through the mode of release hydrogen, avoids causing danger.But,, need safe disposal because hydrogen is inflammable gas.Therefore, need import the air channel of test room with the hydrogen that discharges through second collecting pipe 6, safety is discharged.
In the present embodiment, the first gas cylinder temperature transducer 14 and the first storage pressure sensor 15 are installed on the preceding of gas cylinder 11 respectively and block up 12, are used for the temperature and the pressure of hydrogen in the hydrogen cylinder of experiment with measuring front and back.The second gas cylinder temperature transducer 16 and the second storage pressure sensor 17 are installed on the back stifled 13 of gas cylinder 11 respectively, and whether the temperature and the pressure that are used to measure hydrogen in the hydrogen cylinder reach safe extreme value.In addition, the first gas cylinder temperature transducer 14 can link to each other with computer respectively with the first storage pressure sensor 15, and the second gas cylinder temperature transducer 16 also can link to each other with computer respectively with the second storage pressure sensor 17.During connection; Can adopt socket, connector, the fast socket, connector of multicore, multi-core connector seat or essential safety cable; The sensor is connected to computer; Thereby the temperature and pressure data of measuring are conveyed into computer, and, utilize the quality of hydrogen in the hydrogen cylinder of COMPUTER CALCULATION test front and back according to the temperature, pressure method.
Fig. 3 is the pipe-line system structural drawing; Among Fig. 3, pipe-line system 2 comprises the valve 22, first-class to selecting valve 23, first reduction valve 24, safety valve 25, on-off valve 30, second to flow to and select valve 31, second reduction valve the 32, the 3rd to flow to and select valve 35 and hydrogen filter 36 of air source inlet 18, first gas stream outlet 19, second gas stream outlet 20, gas purging outlet 21, band pneumatic actuator.
Air source inlet 18 links to each other with hydrogen filter 36 with the 3rd pressurized gas flexible pipe 9 respectively.The 3rd pressurized gas flexible pipe 9 can pass through quick inserting joint, is connected with air source inlet 18.Hydrogen in the hydrogen cylinder is sent into air source inlet 18 through the 3rd pressurized gas flexible pipe 9, and hydrogen gets into pipe-line system 2 thus.After hydrogen got into pipe-line system, hydrogen filter 36 filtered the impurity such as dust that exist in the hydrogen, avoids fuel cell car 3 is impacted.Hydrogen filter 36 also links to each other with the valve 22 of band pneumatic actuator.The valve 22 of band pneumatic actuator is realized the break-make control to the hydrogen supply main line under the control of the compressed air gas source in the external world.The valve 22 of band pneumatic actuator also links to each other to selection valve 23 with first-class.First-classly a road link to each other with first reduction valve 24 to what select valve 23, open in process of the test on this road.First-class another road to selection valve 23 links to each other with safety valve first port 26.Safety valve second port 27 links to each other with on-off valve second port 29; On-off valve second port 29 and second flows to selects valve 31 to link to each other.First port 28 of on-off valve links to each other with gas purging outlet 21 with first port 26 of safety valve respectively.At the trial, first-class to select valve 23 to open to link to each other with first reduction valve 24 a road, close link to each other with safety valve first port 26 a road.The effect of safety valve 25 is, in process of the test, it is too high to open one tunnel Hydrogen Vapor Pressure, in the time of possibly causing dangerous the generation, automatically the hydrogen in the pipeline is got rid of pipe-line systems through gas purging outlet 21.The effect of on-off valve 30 is that when safety valve 25 lost efficacy, manual unlocking on-off valve 30 was emitted the hydrogen of opening one tunnel from gas purging outlet 21.
Second flow to select a road of valve 31 to link to each other with second reduction valve, first port 33, and another road links to each other with second reduction valve, second port 34.Second reduction valve, second port 34 and the 3rd flows to selects valve 35 to link to each other.A road of the 3rd flow direction selection valve 35 exports 19 with first gas stream and links to each other, and another road links to each other with second gas stream outlet 20.First gas stream outlet 19 links to each other with fuel cell car aerating inlet, and second gas stream exports 20 and links to each other with mass flowmenter 37.Because the fuel cell car of actual production has two types, one type is the high pressure type fuel cell car, and another kind of is the low-pressure type fuel cell car, and both differences are to require different to the pressure of sources of hydrogen.Therefore; Pipe-line system of the present invention provides second to flow to selection valve 31; When the high pressure type fuel cell car is made an experiment; Through second flow to select valve 31 to open to link to each other with second reduction valve, first port 33 a road, close another road, thereby 32 pairs of high pressure hydrogens of second reduction valve reduced pressure.When the low-pressure type fuel cell car is made an experiment, through second flow to select valve 31 to open to link to each other with second reduction valve, second port 34 a road, close another road.In test,, then the 3rd flow to and select valve 35 to open and first gas stream outlet 19 links to each other a road, close another road if adopt fuel cell car to measure hydrogen gas consumption; When needs take the flowmeter method to measure the consumption of fuel cell car, then the 3rd flow to and select valve 35 to open and second gas stream outlet 20 links to each other a road, close another road.
Between the valve 22 of hydrogen filter 36 and band pneumatic actuator the first mechanical compression table 38 is installed, is used for the pressure between measurement of gas source inlet 18 and the valve 22 of being with pneumatic actuator.The second mechanical compression table 37 is installed between first reduction valve 24 and safety valve second port 27, is used to measure decompression loine pressure afterwards.Second reduction valve, second port 34 and the 3rd flows to be selected between the valve 35 the 3rd mechanical compression table 40 to be installed respectively, is used to measure the loine pressure to after the hydrogen decompression of high pressure type fuel cell car.
First-class to selecting that the first pipeline temperature transducer 41 and first line-pressure sensor 42 are installed between the valve 23 and first reduction valve 24.On-off valve second port 29 and second flows to selects to install between the valve 31 the second pipeline temperature transducer 43 and second line-pressure sensor 44.Above-mentioned two groups of pipeline temperature transducers and line-pressure sensor are respectively applied for the temperature and pressure of the hydrogen in the pipeline of measuring after 24 pressurizations of first reduction valve.
Assessment device provided by the invention can also comprise the quality load cell, and this quality weighing device is used for the quality of the hydrogen cylinder before and after the weighing test, through the quality acquisition hydrogen gas consumption of the hydrogen cylinder before and after the test.Fig. 4 is a quality load cell structural representation, and among Fig. 4, the quality load cell comprises windproof shockproof casing 45, precision balance 46, the balance auxiliary device 47 of weighing.Windproof shockproof casing 45 is the cast iron structure, realizes wind-shielding function through sealing, through four jiaos of shockproof wheels of adopting, realizes shockproof function.Weigh auxiliary device 47 of balance adopts worm and gear-cam-push rod structure, effectively protects precision balance 46 to exempt from the infringement that accidental operation causes.The precision of precision balance 46 is 0.1g, and maximum range is 64Kg, in order to weighing gas cylinder quality.Before and after the process of the test, should hydrogen cylinder be unloaded from source of the gas bottle stand 1, be placed on and carry out weighing on the precision balance 46.The quality load cell just can adopt when perhaps need verify the accuracy of temperature, pressure method when test accuracy is had relatively high expectations.
It is following to use assessment device of the present invention to measure the detailed process of Economy of fuel consumption and estimating fuel battery automobile of fuel cell car:
At first select each parts of using in the assessment device with reference to Fig. 5.Then, connect the pipeline on the source of the gas bottle stand with reference to Fig. 2.Next, nitrogen bottle is connected with the gas purging outlet 21 of pipe-line system 3, pipe-line system is purged deaeration.After treating the air emptying in the pipe-line system, be provided with first-class respectively to selecting valve 23, second to flow to the flow direction of selecting valve 31 and the 3rd to flow to selection valve 35.Open first-class to select that valve 23 links to each other with first reduction valve 24 a road, close another road.According to the employed fuel type of fuel cell car (high pressure type fuel or low-pressure type fuel) in the test, open second and flow to a road of selection valve 33, close another road.Open the 3rd flow to select the valve 35 and first gas stream export 19 be connected a road, close another road.At last, the outlet 19 of first gas stream is linked to each other with the aerating inlet of fuel cell car, again the 3rd pressurized gas flexible pipe 9 is linked to each other with air source inlet 18 through fast interface.Fuel cell car carries out " Chinese typical urban public transport circulation " test on breadboard roler bench.First reduction valve 24 is with the high pressure hydrogen of 15～20MPa in the hydrogen cylinder, the 3～5Mpa that reduces pressure; The first pipeline temperature transducer 41, first line-pressure sensor 42, the first pipeline temperature transducer 43, first line-pressure sensor 44 detect hydrogen temperature, the pressure state of first reduction valve, 24 front and back; Second reduction valve 32 inserts in the hydrogen supply main line under the control of second flow direction selection valve 31 according to the test needs, and 0.8～1.2MPa will reduce pressure through the hydrogen secondary of 3～5Mpa behind first reduction valve 24; Observe the pressure of hydrogen in the hydrogen supply main line through the 3rd mechanical compression table 40.Utilize the first gas cylinder temperature transducer of installing in the source of the gas bottle stand 14; The status parameter of the hydrogen cylinder internal hydrogen that the first storage pressure sensor 15 is gathered calculates the consumption of hydrogen in the process of the test, perhaps can the service property (quality) weighing means measures the consumption of hydrogen.In the test that present embodiment provides, fuel cell car is heavy fuel battery city carriage, and quality is 15500Kg; Base ratio is 6.83, and the retarder speed ratio is 2.56, and vehicle wheel roll radius is 0.51m; Wind-exposuring area is 8m2; Coefficient of air resistance is 0.75Ns2/m4, and the transmission system total efficiency is 0.88, and its hydrogen consumption quality is 1125.85g.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (5)
1. the fuel consumption assessment device of a fuel cell car is characterized in that said assessment device comprises source of the gas bottle stand (1) and the pipe-line system (2) that links to each other with said source of the gas bottle stand, and said pipe-line system (2) links to each other with fuel cell car (3);
Said source of the gas bottle stand (1) comprises gas cylinder support (4), first collecting pipe (5), second collecting pipe (6) and the 3rd pressurized gas flexible pipe (9) of placing gas cylinder, and said gas cylinder support (4) comprises the first pressurized gas flexible pipe (7), the second pressurized gas flexible pipe (8), pressure releasing means PRD (10), the first gas cylinder temperature transducer (14), the first storage pressure sensor (15), the second gas cylinder temperature transducer (16) and the second storage pressure sensor (17);
Said pipe-line system (2) comprises that air source inlet (18), first gas stream outlet (19), second gas stream outlet (20), gas purging export the valve (22) of (21), band pneumatic actuator, the first-class flow direction to selection valve (23), first reduction valve (24), safety valve (25), on-off valve (30), second selects valve (31), second reduction valve (32), the 3rd flow direction to select valve (35) and hydrogen filter (36);
The said first pressurized gas flexible pipe (7) one ends link to each other with first collecting pipe (5), and the other end links to each other with preceding stifled (12) of gas cylinder (11); The second pressurized gas flexible pipe (8) one ends link to each other with pressure releasing means PRD (10), and the other end links to each other with back stifled (13) of gas cylinder (11); One end of the 3rd pressurized gas flexible pipe (9) links to each other with first collecting pipe (5), and the other end links to each other with the air source inlet (18) of pipe-line system (2); Pressure releasing means PRD (10) also links to each other with second collecting pipe (8); Second collecting pipe (8) links to each other with the air channel of test room;
The said first gas cylinder temperature transducer (14) and the first storage pressure sensor (15) are installed on preceding stifled (12) of gas cylinder (11);
The said second gas cylinder temperature transducer (16) and the second storage pressure sensor (17) are installed on back stifled (13) of gas cylinder (11);
Said air source inlet (18) links to each other with hydrogen filter (36) with the 3rd pressurized gas flexible pipe (9) respectively;
Said hydrogen filter (36) links to each other with the valve (22) of air source inlet (18) with the band pneumatic actuator respectively;
The valve of said band pneumatic actuator (22) links to each other to selection valve (23) with first-class with hydrogen filter (36) respectively;
Said first-classly a road link to each other with first reduction valve (24) to what select valve (23), another road links to each other with safety valve first port (26);
Said first reduction valve (24) links to each other with safety valve second port (27);
Said safety valve second port (27) links to each other with on-off valve second port (29);
Said on-off valve second port (29) and second flows to selects valve (31) to link to each other;
Said on-off valve first port (28) links to each other with gas purging outlet (21) with safety valve first port (26) respectively;
Said second flow to select a road of valve (31) to link to each other with second reduction valve, first port (33), and another road links to each other with second reduction valve, second port (34);
Said second reduction valve, second port (34) and the 3rd flows to selects valve (35) to link to each other;
A road of said the 3rd flow direction selection valve (35) exports (19) with first gas stream and links to each other, and another road exports (20) with second gas stream and links to each other;
Said first gas stream outlet (19) links to each other with fuel cell car aerating inlet;
Said second gas stream outlet (20) links to each other with mass flowmenter (37);
Between the valve (22) of said hydrogen filter (36) and band pneumatic actuator, between first reduction valve (24) and safety valve second port (27), between second reduction valve, second port (34) and the 3rd flow direction selection valve (35) the first mechanical compression table (38), the second mechanical compression table (39) and the 3rd mechanical compression table (40) are installed respectively;
Said first-class to selecting that the first pipeline temperature transducer (41) and first line-pressure sensor (42) are installed between valve (23) and first reduction valve (24);
Said on-off valve second port (29) and second flows to selects to install between the valve (31) the second pipeline temperature transducer (43) and second line-pressure sensor (44).
2. the fuel consumption assessment device of a kind of fuel cell car according to claim 1; It is characterized in that said assessment device also comprises the quality load cell, said quality load cell comprises windproof shockproof casing (45), precision balance (46) and the balance auxiliary device (47) of weighing.
3. the fuel consumption assessment device of a kind of fuel cell car according to claim 2 is characterized in that the said balance auxiliary device (47) of weighing adopts worm and gear-cam-push rod structure.
4. the fuel consumption assessment device of a kind of fuel cell car according to claim 1 and 2; It is characterized in that the said first gas cylinder temperature transducer (14) links to each other with computer respectively with the first storage pressure sensor (15), the said second gas cylinder temperature transducer (16) links to each other with computer respectively with the second storage pressure sensor (17).
5. the fuel consumption assessment device of a kind of fuel cell car according to claim 1 and 2 is characterized in that said gas cylinder (11) adopts the aluminum alloy inner bag and twines coating with graphite fiber.
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| CN2010105207611A CN101975663B (en) | 2010-10-20 | 2010-10-20 | Fuel consumption assessment device for fuel cell vehicle |
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| CN2010105207611A CN101975663B (en) | 2010-10-20 | 2010-10-20 | Fuel consumption assessment device for fuel cell vehicle |
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| CN101975663A CN101975663A (en) | 2011-02-16 |
| CN101975663B true CN101975663B (en) | 2012-07-25 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE202014006185U1 (en) | 2013-08-12 | 2014-11-26 | Horiba Ltd. | Fuel consumption calculation unit, fuel consumption calculation program, fuel consumption meter and exhaust gas meter |
| CN104677640B (en) * | 2013-11-29 | 2017-11-21 | 清华大学 | A kind of fuel cell hybrid car economic testing method |
| CN110887674B (en) * | 2019-12-03 | 2021-06-18 | 吉林大学 | Method for testing hydrogen consumption of fuel cell automobile |
| CN215952668U (en) | 2021-09-24 | 2022-03-04 | 宁德时代新能源科技股份有限公司 | Detection assembly and detection tool |
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|---|---|---|---|---|
| US5531105A (en) * | 1995-04-14 | 1996-07-02 | Ford Motor Company | Method and system for determining engine oil consumption |
| US5615657A (en) * | 1995-01-06 | 1997-04-01 | Unisia Jecs Corporation | Method and apparatus for estimating intake air pressure and method and apparatus for controlling fuel supply for an internal combustion engine |
| CN101220779A (en) * | 2006-10-16 | 2008-07-16 | 株式会社电装 | Intake quantity sensing device of internal combustion engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07269403A (en) * | 1994-03-31 | 1995-10-17 | Mazda Motor Corp | Engine control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5615657A (en) * | 1995-01-06 | 1997-04-01 | Unisia Jecs Corporation | Method and apparatus for estimating intake air pressure and method and apparatus for controlling fuel supply for an internal combustion engine |
| US5531105A (en) * | 1995-04-14 | 1996-07-02 | Ford Motor Company | Method and system for determining engine oil consumption |
| CN101220779A (en) * | 2006-10-16 | 2008-07-16 | 株式会社电装 | Intake quantity sensing device of internal combustion engine |
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| Title |
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| JP平7-269403A 1995.10.17 |
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