CN202614300U - Tester for light vehicle fuel economy experiment - Google Patents
Tester for light vehicle fuel economy experiment Download PDFInfo
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- CN202614300U CN202614300U CN 201220148628 CN201220148628U CN202614300U CN 202614300 U CN202614300 U CN 202614300U CN 201220148628 CN201220148628 CN 201220148628 CN 201220148628 U CN201220148628 U CN 201220148628U CN 202614300 U CN202614300 U CN 202614300U
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- 239000000446 fuel Substances 0.000 title claims abstract description 57
- 238000002474 experimental method Methods 0.000 title claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 11
- 230000005622 photoelectricity Effects 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 abstract description 9
- 238000012360 testing method Methods 0.000 abstract description 7
- 125000004122 cyclic group Chemical group 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 238000001228 spectrum Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 34
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model relates to a tester for a light vehicle fuel economy experiment and aims to solve the problems that an existing fuel tester can only measure instantaneous fuel consumption or fuel consumption per hundred kilometers, a real car economy test on a road according to requirements of laws and regulations can not be achieved, and a car can only be disposed in a simulate chassis rotary drum dynamometer to be tested. The tester for the light vehicle fuel economy experiment comprises a fuel consumption instrument, a single chip microcomputer (SCM), an interface chip, a control panel, a display, a car speed sensor, a main flow sensor, a subsidiary flow sensor, a sensor for forward each gear, an analog to digital A/D converter, a circuit and the like. The fuel consumption test can be carried out according to a state of cyclic operation road spectrum diagram pre-stored in the SCM or a speed uniform requirement, real road condition and real car economy condition can be reflected, and present instantaneous fuel consumption, the fuel consumption per hundred kilometers and measuring of the fuel consumption according to work conditions can be displayed and outputted, so that the tester has the advantages that data can not be lost after power turn-off, and the data can be postponed and accumulated after power turn-on; installation, vehicle mounted testing, and carrying are convenient, and the tester is safe and reliable.
Description
Technical field
The utility model relates to a kind of light-duty vehicle fuel economy experiment and uses tester.
Background technology
At present; Measure on the main chassis dynamometer that places simulated condition with the Train-borne recorder of car or tested automobile for automobile fuel ecomomy and to measure; Existing Train-borne recorder with car can not carry out the measurement of the state of cyclic operation and the constant-speed fuel economy of fuel economy by the national standard requirement; National standard " light-duty vehicle consumption trial method " (GB/T19233-2008) with " light-duty vehicle pollutant emission limit and measuring method " (GB/T18352.3-2005) regulation state of cyclic operation fuel economy mainly comprise hundred kilometers fuel consumes of three kinds of state of cyclic operations such as city proper operating mode UDC, suburbs, city operating mode EUDC, the comprehensive operating mode NEDC in city suburbs, the loading mass of automobile is for fully loaded or unloaded; The constant-speed fuel economy fuel economy is mainly measured hundred kilometers fuel consumes of six kinds of cruising modes such as 2 retaining 20km/h, 3 retaining 40km/h, 4 retaining 50km/h, 5 retaining 60km/h, 5 retaining 90km/h, 5 retaining 120km/h; Fuel economy and the constant-speed fuel economy that promptly enables to survey state of cyclic operation also is to place tested automobile on the chassis dynamometer of simulated condition to measure; Can accurately not reflect on true road conditions the oil consumption with actual vehicle condition, the data of the fuel economy of gathering and reality still have certain discrepancy, are not used in research and development and the management and the use of automobile; And adopt chassis special rotary drum dynamometer machine and dedicated microcomputer and software to measure down; Cost an arm and a leg, cost is too high, can not measure with car.
The utility model content
The utility model technical matters to be solved is to existing fuel measurement appearance said above shortcoming and deficiency; A kind of assurance product quality is provided; And can guarantee not influence the fuel oil regular supply, and shockproof anti-interference, overcome the shortcoming that has fuel measurement appearance function singleness now; Simultaneously test result also can further be verified the automobile theory model and the correctness of simulation result that automotive performance analysis software such as CRUISE software etc. are set up, and for automobile enterprise develops certain reference is provided;
The purpose of the utility model provides a kind of light-duty vehicle fuel economy experiment and uses tester; Form by fuel consumption meter, single-chip microcomputer, interface chip, control panel, display, vehicle speed sensor, main flow sensor, secondary flow quantity sensor, standard communication interface USB, A/D converter, circuit etc.; Can carry out the oil consumption test by road spectrogram that pre-deposits the state of cyclic operation in the single-chip microcomputer or constant speed requirement; Can show and export current instantaneous oil consumption, by working condition measuring oil consumption and storage total amount oil consumption; Can measure with car; Reflection true road conditions and real vehicle situation are measured, and have outage back data and do not lose the postpone function of accumulative total of energising back data, have simple in structure, easy for installation, safe and reliable, suitable multi-vehicle-type, economic and practical, vehicle-mounted test is easy to carry.
The utility model solves the technical scheme that its technical matters adopted:
Tester is used in a kind of light-duty vehicle fuel economy experiment; Be made up of fuel consumption meter (1), single-chip microcomputer (2), interface chip (3), printer (4), control panel (5), display (6), non-contact type photoelectricity vehicle speed sensor (7), main flow sensor (8), secondary flow quantity sensor (9), each shift sensor (10) that advances, standard communication interface USB (11), power supply changeover device (22), A/D converter, 12V accumulator, circuit, housing, connection valve, oil pipe, it is characterized in that: said single-chip microcomputer (2) is made up of signals collecting and treatment circuit, signal output and treatment circuit, data-carrier store, program storage, central processing unit, clock setting circuit, 5V power supply, internal memory, reserve battery; Said fuel consumption meter (1) and two-way connection of single-chip microcomputer (2); Fuel consumption meter (1) adopts double-current quantity sensor interface; An interface connects main flow sensor (8); Another interface connects secondary flow quantity sensor (9), and main flow sensor (8) adopts connection valve, oil pipe, clip to be connected on the Light-Duty Gasoline Vehicle engine oil-feed oil circuit, and secondary flow quantity sensor (9) adopts connection valve, oil pipe, clip to be connected on the Light-Duty Gasoline Vehicle engine oil return circuit; Described printer (4) is through standard communication interface, interface chip (3) and two-way connection of single-chip microcomputer (2); Said control panel (5) is through interface chip (3) and two-way connection of single-chip microcomputer (2); Control panel (5) by clock, key, options button, reset key, start key, UDC operating mode key, EUDC operating mode key, NEDC operating mode key, 2 retaining 20km/h keys, 3 retaining 40km/h keys, 4 retaining 50km/h keys, 5 retaining 60km/h keys, 5 retaining 90km/h keys, 5 retaining 120km/h keys, circuit board are set, housing is formed, each key of control panel (5) passes through single-chip microcomputer (2) and is connected with display (6) signal; Said display (6) links through interface chip (3), A/D converter and standard communication interface and single-chip microcomputer (2); Said power supply changeover device (22) by+12V convert into+the 5V voltage conversion circuit ,+12V converts into ± the 8V voltage conversion circuit forms; Main flow sensor (8), secondary flow quantity sensor (9) and single-chip microcomputer (2) power supply all need+5V; Adopt positive voltage output element LM7808 realization+12V to convert into+the 5V voltage conversion circuit; And the power supply of contactless photoelectric vehicle speed sensors (7) is made up of lighting lamp power and signal generation power supply two parts; Lighting lamp power needs+the 12V of non-contact type photoelectricity vehicle speed sensor (7) provides power supply by the 12V accumulator; And power requirement ± 8V that the signal of contactless photoelectric vehicle speed sensors (7) takes place, the voltage transitions that adopts SR12D12/100 modular power source, positive voltage output element LM7808 and negative voltage output element LM7908 element to form stabilized voltage supply realization 12V is ± the 8V voltage conversion circuit.
Description of drawings
Fig. 1 is the composition structural representation of the utility model.
Fig. 2 be the utility model flow sensor the draw bail synoptic diagram (wherein; Fig. 2-the 1st, fuel pressure regulator are installed to the terminal structural representation that 2 kinds of flow sensors are installed of fuel distribution manifold, and the structural representation of a kind of main flow sensor is installed when Fig. 2-the 2nd, fuel pressure regulator are installed on the oil pump).
Fig. 3 is the circuit diagram (wherein, Fig. 3-the 1st ,+12V convert into+5V voltage conversion circuit synoptic diagram, and Fig. 3-the 2nd ,+12V convert into ± 8V voltage conversion circuit synoptic diagram) of the power supply changeover device (22) of the utility model.
The 1-fuel consumption meter; The 2-single-chip microcomputer; The 3-interface chip; The 4-printer; The 5-control panel; The 6-display; 7-non-contact type photoelectricity vehicle speed sensor; The 8-main flow sensor; 9-secondary flow quantity sensor; 10-each shift sensor that advances; 11-standard communication interface USB; The 12-petrol tank; The 13-petrol pump; The 14-filter cleaner; 15-fuel distribution manifold; The 16-fuel injector; The 17-engine; 18-connects the vacuum tube of engine; The 19-fuel pressure regulator; The 20-oil return circuit; 21-oil-feed oil circuit; 22-voltage changes the commentaries on classics device.
Embodiment
The present technique scheme can also realize and below in conjunction with accompanying drawing the utility model done further to describe through following technical measures:
Fig. 1 has provided the composition structural front view of the utility model; Mainly form by fuel consumption meter (1), single-chip microcomputer (2), interface chip (3), printer (4), control panel (5), display (6), non-contact type photoelectricity vehicle speed sensor (7), main flow sensor (8), secondary flow quantity sensor (9), each shift sensor (10) that advances, standard communication interface USB (11), power supply changeover device (22), A/D converter, input circuit, power supply, housing, connection valve, oil pipe; It is characterized in that: single-chip microcomputer (2) adopts 89C51 as master chip, is made up of signals collecting and treatment circuit, signal output and treatment circuit, data-carrier store, program storage, central processing unit, clock setting circuit, 5V power supply, internal memory, digital circuit voltage adjuster, mimic channel voltage adjuster; Fuel consumption meter (1) and two-way connection of single-chip microcomputer (2); Fuel consumption meter (1) adopts double-current quantity sensor interface; An interface connects main flow sensor (8); Another interface connects secondary flow quantity sensor (9); Total oil consumption equals the measured oil consumption of main flow sensor (8) and deducts the measured oil consumption of secondary flow quantity sensor (9), and main flow sensor (8) adopts connection valve, oil pipe, clip to be connected on the Light-Duty Gasoline Vehicle engine oil-feed oil circuit, and secondary flow quantity sensor (9) adopts connection valve, oil pipe, clip to be connected on the Light-Duty Gasoline Vehicle engine oil return circuit; Printer (4) is through standard communication interface, interface chip (3) and two-way connection of single-chip microcomputer (2); Control panel (5) is through interface chip (3) and two-way connection of single-chip microcomputer (2); Control panel (5) be provided with selection mechanism by clock, key, options button, reset key, start key, UDC operating mode key, EUDC operating mode key, NEDC operating mode key, 2 retaining 20km/h keys, 3 retaining 40km/h keys, 4 retaining 50km/h keys, 5 retaining 60km/h keys, 5 retaining 90km/h keys, 5 retaining 120km/h keys, circuit board are set, housing is formed, each key of control panel (5) passes through single-chip microcomputer (2) and is connected with display (6) signal; Described display (6) links through interface chip (3), A/D converter and standard communication interface and single-chip microcomputer (2); Adopt the road spectrogram of the blue line representation theory speed of a motor vehicle and timetable and show that the current gear that needs reaches the gear that will prepare gearshift in neutral; Point out to the driver; With the present actual vehicle speed of black line and timetable and current place gear, actual vehicle speed and theoretical speed of a motor vehicle error can not be greater than 5%; The scope that the tests the speed 0.5～250km/h of described non-contact type photoelectricity vehicle speed sensor (7), repeatable accuracy 0.1%, range observation error are superior to 0.3% and satisfy the vehicle speed measurement precision.
Fig. 2 be the utility model flow sensor the draw bail synoptic diagram (wherein; The fuel pressure regulator of Fig. 2-1 is installed to the terminal structural representation that 2 kinds of flow sensors are installed of fuel distribution manifold; The structural representation of a kind of main flow sensor when being installed on the oil pump, Fig. 2-the 2nd, fuel pressure regulator is installed); Mainly form by vacuum tube (18), fuel pressure regulator (19), oil return circuit (20), the oil-feed oil circuit (21) of main flow sensor (8), secondary flow quantity sensor (9), petrol tank (12), petrol pump (13), filter cleaner (14), fuel distribution manifold (15), fuel injector (16), engine (17), connection engine charge; When fuel pressure regulator is installed to fuel distribution manifold end 2 kinds of flow sensors need be installed; Go up an installation main flow sensor (8) at the oil-feed oil circuit (21) of oil supply system; At the oil return circuit (20) of oil supply system a secondary flow quantity sensor (9) is installed and is seen Fig. 2-1; Detect oil-feed flow and oil return flow; And give single-chip microcomputer (2) with signal and handle, get oil consumption to the end through the main flow sensor (8) of calculating oil-feed oil circuit (21) and both flow difference of secondary flow quantity sensor (9) of oil return circuit (20).When being installed on the oil pump, only adopts fuel pressure regulator a main flow sensor (8); Secondary flow quantity sensor (9) need not be installed; And main flow sensor (8) is installed on the oil-feed oil circuit (21) of oil supply system and sees Fig. 2-2; Detect the oil-feed flow, and give single-chip microcomputer (2) with signal and handle, the oil-feed flow promptly is last oil consumption.
Fig. 3 be the utility model power supply changeover device (22) circuit diagram (wherein; Fig. 3-the 1st ,+12V convert into+5V voltage conversion circuit synoptic diagram; Fig. 3-the 2nd ,+12V convert into ± 8V voltage conversion circuit synoptic diagram); Mainly by+12V convert into+the 5V voltage conversion circuit ,+12V converts into ± 8V voltage conversion circuit, 12V accumulator form; Because the automobile storage battery continued power is+12V; And main flow sensor (8), secondary flow quantity sensor (9) and single-chip microcomputer (2) power supply all need+5V, with positive voltage output element LM7808 realized+12V converts into+circuit of 5V voltage transitions, and the power supply of contactless photoelectric vehicle speed sensors (7) is made up of lighting lamp power and signal generation power supply two parts; Lighting lamp power needs+12V can use the automobile storage battery continued power; And Fig. 3-1 is seen in the input of signal generation power requirement ± 8V, use main element SR12D12/100 modular power source general+12V voltage transitions be ± 12V after, again input end, three exits of output terminal and common port through positive voltage output element LM7808 and negative voltage output element LM7908 integrated regulated power supply composition with driving voltage be ± the 12V voltage transitions becomes ± 8V voltage sees Fig. 3-2.
Claims (3)
1. tester is used in a light-duty vehicle fuel economy experiment; Be made up of fuel consumption meter (1), single-chip microcomputer (2), interface chip (3), printer (4), control panel (5), display (6), non-contact type photoelectricity vehicle speed sensor (7), main flow sensor (8), secondary flow quantity sensor (9), each shift sensor (10) that advances, standard communication interface USB (11), power supply changeover device (22), A/D converter, 12V accumulator, circuit, housing, connection valve, oil pipe, it is characterized in that: said single-chip microcomputer (2) is made up of signals collecting and treatment circuit, signal output and treatment circuit, data-carrier store, program storage, central processing unit, clock setting circuit, 5V power supply, internal memory, reserve battery; Said fuel consumption meter (1) and two-way connection of single-chip microcomputer (2); Fuel consumption meter (1) adopts double-current quantity sensor interface; An interface connects main flow sensor (8); Another interface connects secondary flow quantity sensor (9), and main flow sensor (8) adopts connection valve, oil pipe, clip to be connected on the automobile engine of light car oil-feed oil circuit, and secondary flow quantity sensor (9) adopts connection valve, oil pipe, clip to be connected on the automobile engine of light car oil return circuit; Said printer (4) is through standard communication interface, interface chip (3) and two-way connection of single-chip microcomputer (2); Said control panel (5) is through interface chip (3) and two-way connection of single-chip microcomputer (2); Said display (6) links through interface chip (3), A/D converter and standard communication interface and single-chip microcomputer (2).
2. tester is used in light-duty vehicle fuel economy experiment according to claim 1; It is characterized in that: said control panel (5) by clock, key, options button, reset key, start key, UDC operating mode key, EUDC operating mode key, NEDC operating mode key, 2 retaining 20km/h keys, 3 retaining 40km/h keys, 4 retaining 50km/h keys, 5 retaining 60km/h keys, 5 retaining 90km/h keys, 5 retaining 120km/h keys, circuit board are set, housing is formed, each key of control panel (5) passes through single-chip microcomputer (2) and is connected with display (6) signal.
3. tester is used in light-duty vehicle fuel economy experiment according to claim 1; It is characterized in that: said power supply changeover device (22) by+12V convert into+the 5V voltage conversion circuit ,+12V converts into ± the 8V voltage conversion circuit forms; Main flow sensor (8), secondary flow quantity sensor (9) and single-chip microcomputer (2) power supply all need+5V; Adopt positive voltage output element LM7808 realization+12V to convert into+the 5V voltage conversion circuit; And the power supply of contactless photoelectric vehicle speed sensors (7) is made up of lighting lamp power and signal generation power supply two parts; The lighting lamp power of non-contact type photoelectricity vehicle speed sensor (7) needs by the 12V accumulator power supply to be provided with+12V; And power requirement ± 8V that the signal of contactless photoelectric vehicle speed sensors (7) takes place, the voltage transitions that adopts SR12D12/100 modular power source, positive voltage output element LM7808 and negative voltage output element LM7908 element to form stabilized voltage supply realization 12V is ± the 8V voltage conversion circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220148628 CN202614300U (en) | 2012-04-11 | 2012-04-11 | Tester for light vehicle fuel economy experiment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220148628 CN202614300U (en) | 2012-04-11 | 2012-04-11 | Tester for light vehicle fuel economy experiment |
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| CN202614300U true CN202614300U (en) | 2012-12-19 |
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| CN 201220148628 Expired - Lifetime CN202614300U (en) | 2012-04-11 | 2012-04-11 | Tester for light vehicle fuel economy experiment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620788A (en) * | 2012-04-11 | 2012-08-01 | 张德生 | Tester for testing fuel economical efficiency of light-weight automobile |
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2012
- 2012-04-11 CN CN 201220148628 patent/CN202614300U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620788A (en) * | 2012-04-11 | 2012-08-01 | 张德生 | Tester for testing fuel economical efficiency of light-weight automobile |
| CN102620788B (en) * | 2012-04-11 | 2013-09-18 | 张德生 | Tester for testing fuel economical efficiency of light-weight automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HEILONGJIANG INSTITUTE OF TECHNOLOGY Free format text: FORMER OWNER: ZHANG DESHENG Effective date: 20130129 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 150080 HARBIN, HEILONGJIANG PROVINCE TO: 150050 HARBIN, HEILONGJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130129 Address after: 150050 Heilongjiang province Harbin Daowai District, Hongqi Street, No. 999 Patentee after: Heilongjiang Institute of Technology Address before: 150080, building 1, unit 1, 10 Lin Jia street, Nangang District, Harbin, Heilongjiang, 501 Patentee before: Zhang Desheng |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20121219 Effective date of abandoning: 20130918 |
|
| RGAV | Abandon patent right to avoid regrant |