CN203163790U - Measuring instrument for engine oil consumption in transient state - Google Patents
Measuring instrument for engine oil consumption in transient state Download PDFInfo
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- CN203163790U CN203163790U CN 201320172149 CN201320172149U CN203163790U CN 203163790 U CN203163790 U CN 203163790U CN 201320172149 CN201320172149 CN 201320172149 CN 201320172149 U CN201320172149 U CN 201320172149U CN 203163790 U CN203163790 U CN 203163790U
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Abstract
The utility model provides a measuring instrument for engine oil consumption in a transient state, which comprises a common rail type oil inlet pump group, an oil supply cooling heat exchanger, an oil supply pressure regulating valve, a Coriolis mass flowmeter, an oil inlet gas emitting tank, an engine oil return pressure regulating pressure maintaining valve, a dry-type heater, an engine oil supply pressure voltage stabilizer and an oil return pressure stabilizing device. The measuring instrument is novel in structure and reasonable in design, improves the temperature control precision of coolant liquid, fully eliminates bubbles, avoids the production of the bubbles, can be flexibly matched with engines with various types and requirements, has the characteristics of quick response and accurate temperature control, and is suitable for the requirement of high-end experiment of the engine.
Description
Technical field
The utility model relates to the engine consumption fields of measurement, specifically is a kind of engine transient fuel consumption indicator.
Background technology
Measure about engine consumption in the engine rig test at present and require more and more accurately, the consumer is more and more higher for purchasing before the car degree of seeking knowledge of true oil consumption; Car enterprise is also more and more harsher to requirement, the data of the fuel consumption measurement standard in new car, the engine development, authenticity, and has adopted multiple engine design, development tool to carry out oil consumption control; The means of corresponding fuel consumption measurement, the requirement of precision are also more and more higher.
The external instantaneous fuel consumption measurement method that generally adopts, and not only be confined in the engine rig test, add the fuel consumption measurement test to vehicle complete vehicle and change in the hub test.In order to occupy market fast, produce the apparatus system that accurately to measure engine consumption and seem particularly urgent.
Summary of the invention
The utility model provides a kind of engine transient fuel consumption indicator, can satisfy the requirement to pressure and flow of coriolis mass flowmeters, reduces measuring error; Guarantee the transient response of the temperature of system, guarantee the requirement of transient state test, improved precision.
A kind of engine transient fuel consumption indicator, comprise joint-track type fuel oil oil-feed pump group, the fuel feeding cooling heat exchanger, the charge oil pressure variable valve, coriolis mass flowmeters, the oil-feed jar of cooling down, engine return pressure voltage-regulation voltage-stabilization valve, block heater, engine oil pressure stable-pressure device and return pressure stabilising arrangement, on described joint-track type fuel oil oil-feed pump group and the oily rail that the front end of coriolis mass flowmeters is connected the charge oil pressure variable valve that is connected with fuel feeding cooling heat exchanger entrance point is set, the endpiece of cooling heat exchanger and joint-track type fuel oil oil-feed pump group UNICOM, the rear end of coriolis mass flowmeters and the oil-feed jar of cooling down, engine return pressure voltage-regulation voltage-stabilization valve, the entrance point of block heater connects successively, and the endpiece of block heater is connected with the fuel oil oil-out by engine oil pressure stable-pressure device; Described return pressure stabilising arrangement is connected between return flow oil mouth and the block heater.
Aforesaid engine transient fuel consumption indicator, described engine oil pressure stable-pressure device comprises that fuel oil goes out oil pump and engine input pressure voltage-regulation voltage-stabilization valve, fuel oil goes out oil pump one end and is connected with the endpiece of block heater, and the other end is connected with the fuel oil oil-out by engine input pressure voltage-regulation voltage-stabilization valve.
Aforesaid engine transient fuel consumption indicator, described return pressure stabilising arrangement comprises oil return cool down jar, oil return cooling heat exchanger, engine return pressure voltage regulation of voltage regulation valve, the oil inlet end of oil return cooling heat exchanger is connected by oily rail with the return flow oil mouth, engine return pressure voltage regulation of voltage regulation valve is set on the described oily rail, the oil outlet end of oil return cooling heat exchanger and the oil return jar middle ends UNICOM that cools down, the cool down oil-in UNICOM of jar lower end and engine return pressure voltage-regulation voltage-stabilization valve, block heater of oil return.
Aforesaid engine transient fuel consumption indicator, be separately installed with oil return jar air release, oil-feed jar air release on oil return is cooled down jar and oil-feed the is cooled down jar, one end of oil return jar air release, oil-feed jar air release is cooled down jar with oil return respectively and oil-feed is cooled down a jar upper end UNICOM, the other end and atmosphere UNICOM.
Aforesaid engine transient fuel consumption indicator, jar comprises respectively venting that oil return is cooled down jar and oil-feed is cooled down layer and float, the venting layer is divided into the upper, middle and lower layer, float is arranged on the upper strata, the float on upper strata is in down and can contacts with the power supply touching switch of oil return jar air release, oil-feed jar air release in limited time in placing the jar of cooling down, oil-feed jar air release, oil return jar air release are opened, and carry out exhaust.
Aforesaid engine transient fuel consumption indicator, chilled water import and export in the described oil return cooling heat exchanger is provided with the cooling proportioning valve of regulating by PID respectively by water filter and ball valve and recirculated water entery and delivery port UNICOM in oil return cooling heat exchanger external circulating system.
Aforesaid engine transient fuel consumption indicator also comprises by-pass valve, and by-pass valve one end goes out oil pump with engine input pressure voltage-regulation voltage-stabilization valve with fuel oil and is connected, and the other end is connected with the engine oil return circuit.
The utility model has not only satisfied the requirement to pressure and flow of coriolis mass flowmeters by the parallel design of rail fuel oil oil-feed pump group altogether, reduce measuring error, and the equipment continuity used guarantee is provided, prevent because the test that the infringement of pump brings is interrupted, for the continuity of testing provides safeguard.The utility model novel structure, reasonable in design, improve the coolant temperature control accuracy, fully eliminated bubble, avoided bubble to produce, can flexible adaptive all kinds, the engine of demand, have quick response, the accurate characteristics of temperature control, be applicable to the demand of the high-end test of engine.
Description of drawings
Fig. 1 is perspective view of the present utility model;
Fig. 2 is side view of the present utility model;
Fig. 3 is systematic schematic diagram of the present utility model.
Among the figure: 1-fuel oil oil-feed pump group, 2-fuel feeding cooling water control valve, 3-fuel feeding cooling heat exchanger, 4-charge oil pressure variable valve, the 5-fuel oil goes out oil pump, 6-block heater, 7-coriolis mass flowmeters, 8-oil return jar air release, 9-oil-feed jar air release, the 10-oil-feed jar of cooling down, 11-engine oil return voltage regulation of voltage regulation valve, the 12-oil return jar of cooling down, 13-cools off proportioning valve, 14-oil return cooling heat exchanger, 15-by-pass valve, 16-engine oil pressure voltage-regulation voltage-stabilization valve, 17-engine return pressure voltage regulation of voltage regulation valve, the 18-cooling water outlet, 19-cooling water intake, 20-return flow oil mouth, 21-fuel oil oil-out, 22-fuel oil oil-in.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is clearly and completely described.
Please refer to Fig. 1-3, the utility model engine transient fuel consumption indicator is installed between engine fuel oil-in and the engine fuel oil return opening, the engine transient fuel consumption indicator obtains fuel oil by fuel oil oil-in 22 from fuel supply device, through joint-track type fuel oil oil-feed pump group 1 pressurization in parallel, then by 4 voltage stabilizings of charge oil pressure variable valve, make a part of fuel oil enter coriolis mass flowmeters 7, another part comes back to joint-track type fuel oil oil-feed pump group 1 in parallel by fuel feeding cooling heat exchanger 3.Coriolis mass flowmeters 7 oil-outs tap into oil and cool down jars 10, cool down jar 10 lower ends of engine return pressure voltage-regulation voltage-stabilization valve 11 1 termination oil-feeds, another termination block heater 6 oil-ins, fuel oil goes out oil pump 5 one termination block heater 6 oil-outs, other end sending and receiving motivation input pressure voltage-regulation voltage-stabilization valve 16.The fuel oil that comes out from engine input pressure voltage-regulation voltage-stabilization valve 16 by fuel oil oil-out 21 sending and receiving motivation fuel oil oil-ins so that fuel oil is inserted engine.
Joint-track type fuel oil oil-feed pump group 1 in parallel is obtained fuel oil and pressurization from fueller, needed fuel delivery and charge oil pressure when the various operating modes of assurance engine turn round.The fuel oil that the oil-feed pump group is provided of charge oil pressure variable valve 4 carries out lowering and stabilizing blood pressure; fuel oil part supply engine after mass flowmeter 6 is measured after the voltage stabilizing; another part is because the cooling of process fuel feeding cooling heat exchanger 3; come back to the oil-feed pump group; avoid fuel oil oil-feed pump group 1 temperature too high, with protection oil-feed pump group.Fuel oil oil-feed pump group 1 and charge oil pressure pressure regulator valve 4 unite use, both eliminated the influence of fuel oil input pressure fluctuation to measuring, guarantee enough fuel feed amounts again, guaranteed stability, the reliability of experiment.
Coriolis mass flowmeters 7 front ends connect charge oil pressure variable valve 4 guaranteeing charge oil pressure, and the rear end connects oil-feed and cools down jars 10; Oil-feed is cooled down and jars 10 is provided with oil-feed jar air release 9, oil-feed is cooled down and jars 10 is comprised venting layer and float, and the venting layer is divided into the upper, middle and lower layer, and float is arranged on the upper strata, oil level is lower than float can report to the police after 5 seconds, and cool down jars 10 lower end of oil-feed is connected with engine return pressure voltage-regulation voltage-stabilization valve 11.Fuel oil after coriolis mass flowmeters 7 is measured is cooled down by oil-feed behind the jar 10, through entering block heater 6 behind engine return pressure voltage-regulation voltage-stabilization valve 11 lowering and stabilizing blood pressures, the influence of return pressure fluctuation to mass flow meter measurement at first avoided in this design, next reduced fuel oil in heating process temperature to the measurement influence of mass flowmeter, thereby guaranteed the precision of measuring.
The endpiece of block heater 6 is connected with fuel oil oil-out 21 by engine oil pressure stable-pressure device, described engine oil pressure stable-pressure device comprises that fuel oil goes out oil pump 5 and engine input pressure voltage-regulation voltage-stabilization valve 16, through being connected with the fuel oil oil-in of engine by fuel oil oil-out 21 after the voltage stabilizing again.Fuel oil comes out from block heater 6, by fuel oil go out oil pump 5 pressurization back, through 16 voltage stabilizings of engine input pressure voltage-regulation voltage-stabilization valve, make engine obtain the pressure stability temperature constant and bubble-free fuel oil carries out work.
By-pass valve 15 1 ends go out oil pump 5 with engine input pressure voltage-regulation voltage-stabilization valve 16 with fuel oil and are connected, and the other end is connected with the engine oil return circuit.By the adjusting of by-pass valve 15, the inner loop pipeline of a trace can be provided for engine, guarantee the stable of engine fuel inlet oil temperature and pressure.
Described return pressure stabilising arrangement comprises that oil return cools down jars 12, oil return cooling heat exchanger 14, engine return pressure voltage regulation of voltage regulation valve 17, the engine fuel oil return comes back to the transient state fuel consumption meter from return flow oil mouth 20, through 14 coolings of oil return cooling heat exchanger, the engine oil return enters oil return and cools down jars 12, the cool down oil-in UNICOM of jar 12 lower ends and engine return pressure voltage-regulation voltage-stabilization valve 11, block heater 6 of oil return has so just reached into the whole circulation oil circuit.Oil return is cooled down and jars 12 is comprised venting layer and float, the venting layer is divided into the upper, middle and lower layer, float is arranged on the upper strata, cool down jar 12 middle ends UNICOMs of the oil outlet end of oil return cooling heat exchanger 14 and oil return, cool down jar 12 upper end UNICOMs of one end of oil return jar air release 8 and oil return, the other end and atmosphere UNICOM, place the oil return float on upper stratas of cooling down in jars 12 to be in down and can contact with the power supply touching switch of oil return jar air release 8 in limited time, oil return jar 12 bottom fuel outlet ends go out oil pump 5 by block heater 6 and fuel oil the oily rail UNICOM that cools down.The gas that exists in the fuel oil is upwards floating by jar interior interlayer of cooling down; the float on upper strata is in the oil-feed jar air release 9 of prescribing a time limit down in placing the jar of cooling down, oil return jar air release 8 is opened; carry out exhaust; in 5 seconds if float still in lower limit; then service system goes out oil pump 5 to fuel oil and carries out power-off protection, and output oil starvation alerting signal.
Oil-feed cools down jars 10, oil return is cooled down jars 12 has eliminated the influence of pipeline intermediate fuel oil bubble to mass flow meter measurement, thereby has guaranteed precision and the reliability measured.The float of advance, oil return being cooled down in jar (10,12) has been guaranteed security and the reliability in the equipment operation.
Chilled water import and export (19,18) in the described oil return cooling heat exchanger 14 is respectively by water filter and ball valve and recirculated water entery and delivery port UNICOM, in oil return cooling heat exchanger 14 external circulating systems, be provided with cooling proportioning valve 13, by the PID regulating action, can regulate the aperture size of cooling proportioning valve 13, enter the cool down temperature of oil return in jars 12 of oil return thereby can stablize, avoid the impact to engine fuel oil-feed loop temperature, reduce returning-oil temperature to the influence of mass flowmeter 6 measuring accuracy.
Joint-track type fuel oil oil-feed pump group 1 in parallel can arrange a plurality of circulating oil pumps.Oil return cooling heat exchanger 14, fuel feeding cooling heat exchanger 3 are connected with cooling water intake 19, cooling water outlet 18 by pipeline, and the inlet pipeline of fuel feeding cooling heat exchanger 3 is provided with fuel feeding cooling water control valve 2.
The utility model has merged the technical characterstic of engine fuel regulator and engine fuel attemperating unit, not only satisfied the requirement to pressure and flow of coriolis mass flowmeters by the parallel design of rail fuel oil oil-feed pump group altogether, reduce measuring error, and the equipment continuity used guarantee is provided, prevent because the test that the infringement of pump brings is interrupted, for the continuity of testing provides safeguard.
Claims (7)
1. engine transient fuel consumption indicator, it is characterized in that: comprise joint-track type fuel oil oil-feed pump group (1), fuel feeding cooling heat exchanger (3), charge oil pressure variable valve (4), coriolis mass flowmeters (7), oil-feed cool down jar (10), engine return pressure voltage-regulation voltage-stabilization valve (11), block heater (6), engine oil pressure stable-pressure device and return pressure stabilising arrangement, on described joint-track type fuel oil oil-feed pump group (1) and the oily rail that the front end of coriolis mass flowmeters (7) is connected the charge oil pressure variable valve (4) that is connected with fuel feeding cooling heat exchanger (3) entrance point is set, the endpiece of cooling heat exchanger (3) and joint-track type fuel oil oil-feed pump group (1) UNICOM, the rear end of coriolis mass flowmeters (7) and oil-feed cool down jar (10), engine return pressure voltage-regulation voltage-stabilization valve (11), the entrance point of block heater (6) connects successively, and the endpiece of block heater (6) is connected with fuel oil oil-out (21) by engine oil pressure stable-pressure device; Described return pressure stabilising arrangement is connected between return flow oil mouth (20) and the block heater (6).
2. engine transient fuel consumption indicator as claimed in claim 1, it is characterized in that: described engine oil pressure stable-pressure device comprises that fuel oil goes out oil pump (5) and engine input pressure voltage-regulation voltage-stabilization valve (16), fuel oil goes out oil pump (5) one ends and is connected with the endpiece of block heater (6), and the other end is connected with fuel oil oil-out (21) by engine input pressure voltage-regulation voltage-stabilization valve (16).
3. engine transient fuel consumption indicator as claimed in claim 1 or 2, it is characterized in that: described return pressure stabilising arrangement comprises oil return cool down jar (12), oil return cooling heat exchanger (14), engine return pressure voltage regulation of voltage regulation valve (17), the oil inlet end of oil return cooling heat exchanger (14) is connected by oily rail with return flow oil mouth (20), engine return pressure voltage regulation of voltage regulation valve (17) is set on the described oily rail, cool down jar (a 12) middle ends UNICOM of the oil outlet end of oil return cooling heat exchanger (14) and oil return, oil return cool down jar (12) lower end and engine return pressure voltage-regulation voltage-stabilization valve (11), the oil-in UNICOM of block heater (6).
4. engine transient fuel consumption indicator as claimed in claim 3, it is characterized in that: be separately installed with oil return jar air release (8), oil-feed jar air release (9) on oil return is cooled down jar (12) and oil-feed is cooled down jar (10), one end of oil return jar air release (8), oil-feed jar air release (9) is cooled down jar (12) with oil return respectively and oil-feed is cooled down jar (a 10) upper end UNICOM, the other end and atmosphere UNICOM.
5. engine transient fuel consumption indicator as claimed in claim 4, it is characterized in that: oil return is cooled down jar (12) and oil-feed is cooled down, and jar (10) comprise venting layer and float respectively, the venting layer is divided into the upper, middle and lower layer, float is arranged on the upper strata, the float on upper strata is in down and can contacts with the power supply touching switch of oil return jar air release (8), oil-feed jar air release (9) in limited time in placing the jar of cooling down, oil-feed jar air release (9), oil return jar air release (8) are opened, and carry out exhaust.
6. engine transient fuel consumption indicator as claimed in claim 3, it is characterized in that: the chilled water import and export (19,18) in the described oil return cooling heat exchanger (14) is provided with the cooling proportioning valve of regulating by PID (13) respectively by water filter and ball valve and recirculated water entery and delivery port UNICOM in oil return cooling heat exchanger (14) external circulating system.
7. engine transient fuel consumption indicator as claimed in claim 2, it is characterized in that: also comprise by-pass valve (15), by-pass valve (15) one ends go out oil pump (5) with engine input pressure voltage-regulation voltage-stabilization valve (16) and fuel oil and are connected, and the other end is connected with the engine oil return circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320172149 CN203163790U (en) | 2013-04-09 | 2013-04-09 | Measuring instrument for engine oil consumption in transient state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320172149 CN203163790U (en) | 2013-04-09 | 2013-04-09 | Measuring instrument for engine oil consumption in transient state |
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| Publication Number | Publication Date |
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| CN203163790U true CN203163790U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320172149 Expired - Fee Related CN203163790U (en) | 2013-04-09 | 2013-04-09 | Measuring instrument for engine oil consumption in transient state |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593029A (en) * | 2018-01-04 | 2018-09-28 | 无锡沃尔福汽车技术有限公司 | A kind of fuel consumption meter |
| CN108917867A (en) * | 2018-07-16 | 2018-11-30 | 南通常测机电设备有限公司 | A kind of fuel oil oil consumption dynamic detection system |
| CN110044630A (en) * | 2019-04-27 | 2019-07-23 | 武汉东测科技有限责任公司 | A kind of RDE standard analog detection rack system and its test method |
| CN114199576A (en) * | 2021-10-29 | 2022-03-18 | 东风商用车有限公司 | Oil inlet and return condition control system for engine test |
-
2013
- 2013-04-09 CN CN 201320172149 patent/CN203163790U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593029A (en) * | 2018-01-04 | 2018-09-28 | 无锡沃尔福汽车技术有限公司 | A kind of fuel consumption meter |
| CN108917867A (en) * | 2018-07-16 | 2018-11-30 | 南通常测机电设备有限公司 | A kind of fuel oil oil consumption dynamic detection system |
| CN108917867B (en) * | 2018-07-16 | 2020-05-29 | 南通常测机电设备有限公司 | Dynamic detection system for fuel oil consumption |
| CN110044630A (en) * | 2019-04-27 | 2019-07-23 | 武汉东测科技有限责任公司 | A kind of RDE standard analog detection rack system and its test method |
| CN114199576A (en) * | 2021-10-29 | 2022-03-18 | 东风商用车有限公司 | Oil inlet and return condition control system for engine test |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20180409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |