CN103454091A - Testing device of flowing property characteristics of internal combustion engine tee air inlet-exhaust pipe - Google Patents
Testing device of flowing property characteristics of internal combustion engine tee air inlet-exhaust pipe Download PDFInfo
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Abstract
The invention discloses a testing device of flowing property characteristics of an internal combustion engine tee air inlet-exhaust pipe. The testing device comprises a testing part, pipelines, fans, variable-frequency motors, regulating valves, constant-flow flowmeters, sensors, constant-pressure barrels, transition pipes and a plurality of flexible pipes. Three end openings of the testing part are connected with three transition pipes which are connected with the three pipelines directly or through the flexible pipes selectively, and therefore switching of multiple tee pipeline connection methods is achieved. On and off of the regulating valves is selectively controlled to regulate air flow directions in the pipelines, two air flow types with the first end opening as a starting point or an ending point are achieved respectively, and therefore six flow types, comprising three branch flows and three integrated flows, of the tee air inlet-exhaust pipe are achieved, measurement of the flowing characteristics of the six flow types is achieved, the structure is simple, operation is flexible, and high universality is achieved.
Description
Technical field
The present invention relates to the test unit of internal combustion engine, relate in particular to the flowing property token test device of internal combustion engine threeway air inlet-outlet pipe.
Background technology
The intake and exhaust pipeline of internal combustion engine is as the important component part of pressure charging system, and its flowing property feature directly has influence on the performance level of diesel engine.Crucial pipeline and the test of valve member negotiability are the only way which must be passed that the engine breathing circuit design is optimized, and are also important rings of engine performance exploitation.At present, most of research concentrates on inlet manifold and the cylinder cap entering and exhaust channel of vehicular engine, formed the product of a collection of maturation, the air flue blowing testing table of developing as internal combustion engine National Key Laboratory of University Of Tianjin is a kind of ripe platform (Chinese patent 02128945.X) of widespread use.
But the requirement of intake and exhaust pipeline and air flue blowing test exists difference.From structure, the topological structure of intake and exhaust pipeline is more complicated, generally can regard a plurality of threeways unit as and form; And the complex-shaped but topological structure of air flue simple (single-pass structure) relatively.From research contents, the negotiability of air flue blowing experimental study air flue with and organize the ability of gas in the jar eddy current, and the intake and exhaust pipeline is mainly paid close attention to the negotiability of pipeline, especially influencing each other between air-flow when polymerization and diverted flow, this point can't be launched research on air flue test stand.
For the threeway unit of air inlet-outlet pipe, its flow pattern can be divided into six kinds, as shown in Fig. 1-Fig. 6, has provided respectively six kinds of flow pattern schematic diagram of air inlet-outlet pipe threeway unit, and arrow represents the flow direction of air-flow.Wherein, the flow pattern that Fig. 1-Fig. 3 shows is affluent-dividing, and the flow pattern that Fig. 4-Fig. 6 shows is aggregated flow.Circulation pattern measurement for the six kinds of flow patterns in triplate line unit has been reported.As, British scholar Bassett etc. disclose a kind of flow table for marine diesel in document " Modeling Engines with Pulse Converted Exhaust Manifolds Using One-Dimensional Techniques ", can carry out the flow performance of the triplate lines such as pulse converter, MPC gas outlet and measure.The Zhang little Mao of the China Central China University of Science and Technology etc. also discloses a kind of Test-bed Design scheme of diesel engine air inlet-outlet pipe drive test amount in document " design of engine intake and exhaust system constant current testing device and development ".But this testing table is the specialized designs for a certain special interface testpieces, and for three-way pipe, not only to consider the variation of interface diameter, also will consider the variation of threeway space structure, therefore the testing table of this structure exist interface dumb, do not there is the shortcoming such as versatility.
At present, there is following problem in existing flow measurement testing table:
1, the cylinder cap current stabilization of technology maturation blowing testing table, can only carry out the flow performance of single-pass (mobile polymerization and Bifurcation Phenomenon, do not appear in import one outlet) pipeline simultaneously and measure.
2, for the flow measurement testing table of threeway class pipeline exploitation, General System is huge, and the piping complexity can not directly be carried out the three-way pipe flow performance of different-diameter or distinct interface locus and be measured.
3,, under a certain flow pattern, can not realize the flow measurement under branch road different flow ratio.
Therefore, those skilled in the art is devoted to develop a kind of simple in structure, flexible operation, can directly carry out the test unit of the three-way pipe flow performance research of different-diameter or distinct interface locus.
Summary of the invention
Because the above-mentioned defect of prior art, technical matters to be solved by this invention is to provide a kind of flowing property token test device of internal combustion engine threeway air inlet-outlet pipe of simple in structure, flexible operation, can realize the tee pipe fitting measurement of the flow performance under six kinds of flow patterns respectively of different latus rectums, difformity, different spaces angle, and, under single kind of flow pattern, can realize two flow performances measurements under branch road different flow ratio.
For achieving the above object, the invention provides a kind of flowing property token test device of internal combustion engine threeway air inlet-outlet pipe, it comprises testpieces, supervisor system, motor and transition conduit; Testpieces has the first port, the second port and the 3rd port; Supervisor system comprises the first pipeline, the second pipeline and the 3rd pipeline; Transition conduit comprises First Transition pipe, the second transition conduit and the 3rd transition conduit.Be provided with the first Steady-flow flowmeter, the first voltage stabilizing bucket, blower fan, the second voltage stabilizing bucket and the second Steady-flow flowmeter that connect successively on the first pipeline, form closed circuit; The first voltage stabilizing bucket is provided with the bypass of leading to external environment by the first variable valve, and the second voltage stabilizing bucket is provided with the bypass of leading to external environment by the second variable valve.The second pipeline comprises the first tributary and the second tributary, is provided with the 3rd variable valve and the 3rd Steady-flow flowmeter that connect successively on the first tributary, the 3rd Steady-flow flowmeter and external environment connect; Be provided with the 4th variable valve and the 4th Steady-flow flowmeter that connect successively on the second tributary, the 4th Steady-flow flowmeter and external environment connect.Be provided with the 5th variable valve on the 3rd pipeline, and and external environment connect.Blower fan is electrically connected to variable-frequency motor, and blower fan is realized driving by variable-frequency motor, for maintaining the gas flow in test unit; The first port of testpieces, the second port and the 3rd port optionally are connected with the first pipeline, the second pipeline and the 3rd pipeline in twos by First Transition pipe, the second transition conduit and the 3rd transition conduit respectively, thereby realize the switching of multiple connected mode.
Further, described test unit also comprises TT&C system, and the first port of testpieces also is provided with first sensor, and the second port also is provided with the second sensor, and the 3rd port also is provided with the 3rd sensor; The first voltage stabilizing bucket also is connected with four-sensor, the second voltage stabilizing bucket also is connected with the 5th sensor, TT&C system is connected with the 5th variable valve with first sensor, the second sensor, the 3rd sensor, four-sensor, the 5th sensor, the first variable valve, the second variable valve, the 3rd variable valve, the 4th variable valve, and, according to the sensing signal of first sensor, the second sensor, the 3rd sensor, four-sensor and the 5th sensor, control the first variable valve, the second variable valve, the 3rd variable valve, the 4th variable valve and the 5th variable valve.The sensor comprises temperature sensor, pressure transducer etc., for signals such as monitor temperature, pressure, pressure reduction.
Preferably, variable valve comprises hand valve and motorized valve; The first variable valve, the second variable valve are hand valve; The 3rd variable valve, the 4th variable valve, the 5th variable valve are motorized valve.
Alternatively, described test unit also comprises flexible pipe, and the first port of testpieces is connected to the first pipeline by the First Transition pipe; The second port is connected to the second pipeline by the second transition conduit, flexible pipe successively; The 3rd port is connected to the 3rd pipeline by the 3rd transition conduit, flexible pipe successively.
Alternatively, testpieces the first port is connected to the 3rd pipeline by First Transition pipe and flexible pipe successively; The second port is connected to the second pipeline by the second transition conduit and flexible pipe successively; The 3rd port is connected to the first pipeline by the 3rd transition conduit.
Alternatively, the first port of testpieces is connected to the second pipeline by First Transition pipe and flexible pipe successively; The second port is connected to the first pipeline by the second transition conduit; The 3rd port is connected to the 3rd pipeline by the 3rd transition conduit and flexible pipe successively.
Further, flexible pipe is corrugated tube or PVC steel wire tube.
Further, motorized valve and hand valve be break-make optionally, for regulating the airflow direction in pipeline; Motorized valve can also optionally be regulated aperture, for regulating the air-flow size in pipeline.
Further, testpieces is MPC gas outlet or pulse converter.
MPC(Modular Pulse Converter) refer to the module type pulse converter.
In better embodiment of the present invention, a kind of flowing property token test device of internal combustion engine threeway air inlet-outlet pipe, comprise the testpieces with three ports, three pipelines, blower fan, the variable-frequency motor be electrically connected to blower fan, five variable valve, four Steady-flow flowmeters, five sensors, two voltage stabilizing buckets, three transition conduit and some flexible pipes; The first port of testpieces is connected with an end of the first pipeline, and the first pipeline also is provided with the first Steady-flow flowmeter, the first voltage stabilizing bucket, blower fan, the second voltage stabilizing bucket, the second Steady-flow flowmeter connected successively, forms closed circuit; The first voltage stabilizing bucket, the second voltage stabilizing bucket are respectively arranged with the bypass of leading to external environment by hand valve.The second port of testpieces is connected with an end of the second pipeline, and the other end of the second pipeline is divided into two tributaries, and the first tributary connects external environment by motorized valve, Steady-flow flowmeter successively; The second tributary connects external environment by motorized valve, Steady-flow flowmeter successively.The 3rd port of testpieces is connected with an end of the 3rd pipeline, and the other end of the 3rd pipeline is connected with external environment by motorized valve; Three ports of voltage stabilizing bucket and testpieces also are respectively arranged with the sensor for monitor temperature, pressure, pressure reduction.Also be provided with transition conduit between the port of testpieces and pipeline, transition conduit optionally by flexible pipe or directly and three pipelines interconnect in twos respectively, realize the switching of the connected mode of three kinds of triplate lines.Hand valve is break-make or motorized valve break-make or regulate aperture optionally optionally, for regulating airflow direction and the air-flow size in pipeline.
As can be seen here, the present invention has following beneficial effect:
1, pass through the optionally break-make of regulating and controlling valve, regulate the airflow direction in pipeline, realize respectively take the gas flow pattern of two kinds of forms that the first port is beginning or end, above-mentioned three kinds of connected modes in conjunction with triplate line, realize whole six kinds of flow patterns of threeway air inlet-outlet pipe, comprise three kinds of affluent-dividings and three kinds of aggregated flows, and the flow performance of six kinds of flow patterns is measured.
2, by the apolegamy of transition conduit, can solve port interface size, the unmatched problem of shape of pipeline latus rectum and the testpieces of pipeline, and then realize that different latus rectums, difform tee pipe fitting are respectively at six kinds of flow pattern current downflow pattern measurements, simple in structure, flexible operation, have higher versatility.
3,, by the employing of flexible pipe, can solve the space angle temperature that the pipeline of different flow pattern lower pipelines is connected with testpieces; Adopt the flexible pipe of special substance, comprise corrugated tube and PVC steel wire tube etc., can bear high pressure and the condition of high vacuum degree of test.
4, the present invention's aperture of regulating and controlling valve optionally, regulate the uninterrupted of the second pipeline, the 3rd pipeline in triplate line, realizes that the flow performance under different flow patterns in triplate line, different flow ratio is measured.
5, testpieces of the present invention is the air inlet-outlet pipes such as MPC gas outlet or pulse converter, is applicable to the measurement of Marine High-power Diesel Engine triplate line flowing property feature.
Technique effect below with reference to accompanying drawing to design of the present invention, concrete structure and generation is described further, to understand fully purpose of the present invention, feature and effect.
The accompanying drawing explanation
Fig. 1, Fig. 2 and Fig. 3 are the flow pattern schematic diagram of the affluent-dividing of typical air inlet-outlet pipe threeway unit;
Fig. 4, Fig. 5 and Fig. 6 are the flow pattern schematic diagram of the aggregated flow of typical air inlet-outlet pipe threeway unit;
Fig. 7 is the structural representation of the flowing property token test device of the internal combustion engine threeway air inlet-outlet pipe in preferred embodiment of the present invention;
Fig. 8, Fig. 9 and Figure 10 are the connected mode schematic diagram of testpieces of the present invention while being the MPC gas outlet;
Figure 11 and Figure 12 are the connected mode schematic diagram of testpieces of the present invention while being pulse converter.
Embodiment
As shown in Figure 7, the flowing property token test device of a kind of internal combustion engine threeway air inlet-outlet pipe in preferred embodiment of the present invention, it comprises testpieces 701, blower fan 702, motor 703, piping, variable valve, Steady-flow flowmeter, sensor, voltage stabilizing bucket, transition conduit and flexible pipe flow.Wherein, testpieces 701 is three-way pipe, has three ports, is respectively the first port 704, the second port 705 and the 3rd port 706; Mobile piping comprises three pipelines, is respectively the first pipeline 707, the second pipeline 714 and the 3rd pipeline 721, and these three pipelines coordinate with three ports of testpieces 701 respectively.
Particularly, the first port 704 of testpieces 701 is connected with an end of the first pipeline 707, the first pipeline 707 is comprised of total pipeline and branch line, be provided with the first Steady-flow flowmeter 708, the first voltage stabilizing bucket 709, blower fan 702, the second voltage stabilizing bucket 710 and the second Steady-flow flowmeter 711 that connect successively on branch line, formed a closed circuit.Total pipeline is connected between the first Steady-flow flowmeter 708 and the second Steady-flow flowmeter 711, and the first port 704 of testpieces 701 is by being connected and being connected with the first pipeline 707 with total pipeline.The first voltage stabilizing bucket 709 is provided with the bypass of leading to external environment by the first variable valve 712, and the second voltage stabilizing bucket 710 is provided with the bypass of leading to external environment by the second variable valve 713.
The second port 705 of testpieces 701 is connected with an end of the second pipeline 714, and the second pipeline 714 comprises the first tributary pipeline 715 and the second tributary pipeline 718.Be provided with the 3rd variable valve 716 and the 3rd Steady-flow flowmeter 717, the three variable valve 716 that connect successively on the first tributary pipeline 715 and be connected with the second port 705 of testpieces 701, the 3rd Steady-flow flowmeter 717 is connected with external environment; Be provided with the 4th variable valve 719 and the 4th Steady-flow flowmeter 720, the four variable valve 719 that connect successively on the second tributary 718 and be connected with the second port 705 of testpieces 701, the 4th Steady-flow flowmeter 720 is connected with external environment.
The 3rd port 706 of testpieces 701 is connected with an end of the 3rd pipeline 721, is provided with the 5th variable valve 722 on the 3rd pipeline 721, and is connected with external environment by the 5th variable valve 722.
Above-mentioned external environment all refers to atmospheric environment.
Blower fan 702 is electrically connected to motor 703, and the inlet scoop of blower fan 702 connects the outlet of the first voltage stabilizing bucket 709, and the blowing mouth of blower fan 702 connects the entrance of the second voltage stabilizing bucket 710, and blower fan 702 is realized driving by motor 703, for maintaining the gas flow in piping.
Preferably, motor 703 is variable-frequency motor.
In addition, the first port 704 of testpieces 701 also is provided with first sensor 723, the second ports 705 and also is provided with the second sensor 724, the three ports 706 and also is provided with the 3rd sensor 725; The first voltage stabilizing bucket 709 also is connected with four-sensor 726, the second voltage stabilizing buckets 710 and also is connected with the 5th sensor 727.The sensor comprises temperature sensor or pressure transducer differential pressure sensor, can be for the temperature of measuring testpieces port or air blowing voltage stabilizing bucket, pressure, pressure reduction etc.
Also be provided with transition conduit between three ports of testpieces and three pipelines, correspond to respectively First Transition pipe 728, the second transition conduit 729 and the 3rd transition conduit 730.One end of transition conduit is connected with the corresponding port of testpieces, the other end of transition conduit can be optionally by flexible pipe or directly and three pipelines interconnect in twos respectively, realize the switching of the connected mode of multiple triplate line.
In the internal combustion engine air-exhausting air-entering pipeline the present invention relates to, testpieces can be managed for MPC, can be pulse converter, but be not limited to this.
When testpieces is the MPC pipe, Fig. 8 has provided the schematic diagram of the connected mode of the first air inlet-outlet pipe, three ports of MPC pipe 801 connect respectively First Transition pipe 728, the second transition conduit 729, the 3rd transition conduit 730, the first ports 802 and are connected to the first pipeline 707 by First Transition pipe 728; The second port 803 is connected to the second pipeline 714 by the second transition conduit 729, the first flexible pipe 804 successively; The 3rd port 805 is connected to the 3rd pipeline 721 by the 3rd transition conduit 730, the second flexible pipe 806 successively.Wherein, the first flexible pipe 804 be connected between the second transition conduit 729 and the second pipeline 714 is the PVC steel wire tube; The second flexible pipe 806 be connected between the 3rd transition conduit 730 and the 3rd pipeline 721 is corrugated tube.
Fig. 9 has provided the schematic diagram of connected mode of the testpieces of the second MPC air inlet-outlet pipe, three ports of MPC pipe 801 connect respectively First Transition pipe 728, the second transition conduit 729, the 3rd transition conduit 730, the first ports 802 and are connected to the 3rd pipeline 721 by First Transition pipe 728, the 3rd flexible pipe 901 successively; The second port 803 is connected to the second pipeline 714 by the second transition conduit 729, the 4th flexible pipe 902 successively; The 3rd port 805 is connected to the first pipeline 707 by the 3rd transition conduit 730.Wherein, the 3rd flexible pipe 901 be connected between First Transition pipe 728 and the 3rd pipeline 721 is the PVC steel wire tube; The second transition conduit 729 is corrugated tube with 714 the 4th flexible pipes 902 that are connected of the second pipeline.
Figure 10 has provided the schematic diagram of connected mode of the testpieces of the third MPC air inlet-outlet pipe, three ports of MPC pipe 801 connect respectively First Transition pipe 728, the second transition conduit 729, the 3rd transition conduit 730, the first ports 802 and are connected to the second pipeline 714 by First Transition pipe 728, the 5th flexible pipe 101 successively; The second port 803 is connected to the first pipeline 707 by the second transition conduit 729; The 3rd port 805 is connected to the 3rd pipeline 721 by the 3rd transition conduit 730, the 6th flexible pipe 102 successively.Wherein, the 5th flexible pipe 101 be connected between First Transition pipe 728 and the second pipeline 714 is the PVC steel wire tube; The 6th flexible pipe 102 be connected between the 3rd transition conduit 730 and the 3rd pipeline 721 is the PVC steel wire tube.
Certainly, above-mentioned flexible pipe can be PVC steel wire tube or other, at this, no longer limits, as long as meet the real space angle and distance, connects needs.
Connected mode for the testpieces of above-mentioned three kinds of MPC air inlet-outlet pipes, by the break-make of regulating and controlling valve optionally, airflow direction in adjustable pipe road system, realize respectively take the first port as starting point, the second port and the 3rd port as terminal or take the flow performance of two types that the second port and the 3rd port be terminal as starting point, first port of take measuring.
The connected mode of testpieces of MPC air inlet-outlet pipe of Fig. 8 of below take is example, and in conjunction with Fig. 7, its specific works process is as follows:
When measuring while take mobile that the first port is starting point, the variable valve control strategy is: the first variable valve 712 is opened, the 3rd variable valve 716 and the 5th variable valve 722 are opened, and the second variable valve 713 and the 4th variable valve 719 are closed.Under the effect of the fan 702, the air flow direction as follows: the external environment - the first regulating valve 712 - the first regulator barrel 709 - Fan 702 - tub second voltage regulator 710 - blow pipe - CAP two steady flow meter 711 - blow pipe - a total of 707 first pipeline pipeline - the first port 704 - branch of a (second port 705 - the second conduit 714 - blow pipe - - The third control valve 716 - blow pipe - third steady flow meter 717 - blow pipe) / branch two (the third port 706 - the third pipe 721 - fifth valve 722 - blow pipe) - the external environment, in order to achieve the branch in Figure 2 flow.
When measuring while take mobile that the first port is terminal, the variable valve control strategy is: the first variable valve 712 and the 3rd variable valve 716 are closed, and the second variable valve 713, the 4th variable valve 719 and the 5th variable valve 722 are opened.Under the effect of blower fan, the air current flow direction is: external environment---branch one (suction line---the 4th Steady-flow flowmeter 720---suction line---the 4th variable valve 719---suction line---the second pipeline 714---the second port 705)/branch two (suction line---the 5th variable valve 722---the 3rd pipeline 721---the 3rd port 706)---the first port 704---the first pipeline 707---suction line---the first Steady-flow flowmeter 708---suction line---the first voltage stabilizing bucket 709---blower fan 702---the second voltage stabilizing bucket 710---second variable valve 713---external environment, thus realize the aggregated flow flow pattern in Fig. 5.
Similarly, Fig. 7 is in conjunction with the connected mode of the testpieces of the MPC air inlet-outlet pipe of Fig. 9, can realize affluent-dividing flow pattern in Fig. 3 and the aggregated flow flow pattern in Fig. 6; Fig. 7 is in conjunction with the connected mode of the testpieces of the MPC air inlet-outlet pipe of Figure 10, can realize affluent-dividing flow pattern in Fig. 1 and the aggregated flow flow pattern in Fig. 4.
Preferably, the first variable valve and the second variable valve are hand valve, optionally realize break-make, for regulating the airflow direction in the first pipeline.The 3rd variable valve, the 4th variable valve and the 5th variable valve are motorized valve, optionally realize break-make or regulate aperture, for regulating airflow direction and the air-flow size in the second pipeline and the 3rd pipeline.By controlling the break-make of hand valve and motorized valve, the gas flow pattern of two kinds of forms that the first port is beginning or end is take in generation, in conjunction with three kinds of connected modes of triplate line, realize whole six kinds of flow patterns of threeway air inlet-outlet pipe, comprise three kinds of affluent-dividings and three kinds of aggregated flows.Further, by regulating the aperture of motorized valve, in conjunction with the data acquisition with Steady-flow flowmeter, can realize that the flow performance of the different flow of above-mentioned six kinds of flow patterns is measured, be applicable to the measurement of Marine High-power Diesel Engine triplate line flowing property feature.
Preferably, the present invention has taked the feedback semiautomatic control to measure for the flow performance under two branch road different flow ratios that realize triplate line, control principle is as follows: TT&C system is connected with motorized valve with each flowmeter, and gather the flow of two-way branch and automatically calculate flow proportional as feedback by flowmeter, by the adjustable section electric valve in TT&C system interface, until make the flow proportional of two-way branch meet test request, after confirming, TT&C system can be carried out automatic record.In addition, system also has the minimum flow that the flow that guarantees the less Na of flow mono-tunnel can be greater than the measuring accuracy requirement all the time.TT&C software also has automatic identification design, and software can be according to the position of manually-operated gate and testpieces, the current test flow pattern of automatic discrimination, and select corresponding electrically-controlled valve to regulate with flow parameter and calculate.
In addition, the present invention is by the apolegamy of transition conduit, can solve port interface size, the unmatched problem of shape of pipeline latus rectum and the testpieces of pipeline, and then realize that different latus rectums, difform tee pipe fitting are respectively at six kinds of flow pattern current downflow pattern measurements, simple in structure, flexible operation, have higher versatility.By the employing of flexible pipe, can solve the space angle temperature that the pipeline of different flow pattern lower pipelines is connected with testpieces; Adopt the flexible pipe of special substance, comprise corrugated tube and PVC steel wire tube, can bear high pressure and the condition of high vacuum degree of actual experiment.
As shown in figure 11, provided the schematic diagram of connected mode that the MPC air inlet-outlet pipe in Fig. 8 is replaced with to the testpieces of pulse converter 111.Pulse converter 111 has three ports, is respectively the first port 112, the second port one 13, the 3rd port one 14.The method of attachment that is similar to MPC air inlet-outlet pipe in Fig. 8 that is connected of these three ports and pipeline of the present invention system, do not repeat them here, for realizing the liquid form of two kinds of triplate lines.
Figure 12 has provided the schematic diagram of connected mode that the MPC air inlet-outlet pipe in Figure 10 is replaced with to the testpieces of pulse converter 121.Three ports of pulse converter are respectively the first port 122, the second port one 23, the 3rd port one 24.The method of attachment that is similar to MPC air inlet-outlet pipe in Fig. 9 that is connected of these three ports and pipeline of the present invention system, do not repeat them here.Notice that pulse converter is symmetrical structure, so the connected mode of the testpieces of the pulse converter in Figure 12 also can be understood as the schematic diagram of connected mode that the MPC air inlet-outlet pipe in Figure 10 is replaced with to the testpieces of pulse converter 121.Thereby can realize the liquid form of four kinds of different triplate lines.
The present invention also considers the switching of different tests part, has adopted the brick pattern design, and channel bend and three-way connection can rotate or horizontal displacement layout as required, thereby solve the different tests part, with the space of pipeline system, is connected distance and angle problem.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area just can design according to the present invention be made many modifications and variations without creative work.Therefore, all technician in the art, all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. the flowing property token test device of an internal combustion engine threeway air inlet-outlet pipe, is characterized in that, comprises testpieces, supervisor system, motor and transition conduit;
Described testpieces has the first port, the second port and the 3rd port;
Described supervisor comprises the first pipeline, the second pipeline and the 3rd pipeline;
Described transition conduit comprises First Transition pipe, the second transition conduit and the 3rd transition conduit;
Be provided with the first Steady-flow flowmeter, the first voltage stabilizing bucket, blower fan, the second voltage stabilizing bucket and the second Steady-flow flowmeter that connect successively on described the first pipeline, form closed circuit; Described the first voltage stabilizing bucket is provided with the bypass of leading to external environment by the first variable valve, and described the second voltage stabilizing bucket is provided with the bypass of leading to external environment by the second variable valve;
Described the second pipeline comprises the first tributary and the second tributary, is provided with the 3rd variable valve and the 3rd Steady-flow flowmeter that connect successively on described the first tributary, described the 3rd Steady-flow flowmeter and external environment connect; Be provided with the 4th variable valve and the 4th Steady-flow flowmeter that connect successively on described the second tributary, described the 4th Steady-flow flowmeter and external environment connect;
Be provided with the 5th variable valve on described the 3rd pipeline, and and external environment connect;
Described blower fan is electrically connected to described variable-frequency motor, and described blower fan is realized driving by variable-frequency motor, for maintaining the gas flow in piping;
Described first port of described testpieces, described the second port and described the 3rd port optionally are connected with described the first pipeline, described the second pipeline and described the 3rd pipeline in twos by described First Transition pipe, described the second transition conduit and described the 3rd transition conduit respectively, thereby realize the switching of multiple connected mode.
2. the flowing property token test device of internal combustion engine threeway air inlet-outlet pipe as claimed in claim 1, wherein, also comprise TT&C system, described first port of described testpieces also is provided with first sensor, described the second port also is provided with the second sensor, and described the 3rd port also is provided with the 3rd sensor, described the first voltage stabilizing bucket also is connected with four-sensor, described the second voltage stabilizing bucket also is connected with the 5th sensor, described TT&C system and described first sensor, described the second sensor, described the 3rd sensor, described four-sensor, described the 5th sensor, described the first variable valve, described the second variable valve, described the 3rd variable valve, described the 4th variable valve is connected with described the 5th variable valve, and according to described first sensor, described the second sensor, described the 3rd sensor, the sensing signal of described four-sensor and described the 5th sensor, control described the first variable valve, described the second variable valve, described the 3rd variable valve, described the 4th variable valve and described the 5th variable valve.
3. the flowing property token test device of internal combustion engine threeway air inlet-outlet pipe as claimed in claim 2, wherein, described sensor is temperature sensor or pressure transducer.
4. the flowing property token test device of internal combustion engine threeway air inlet-outlet pipe as claimed in claim 1, wherein, described variable valve comprises hand valve and motorized valve; Described the first variable valve, the second variable valve are hand valve; Described the 3rd variable valve, the 4th variable valve, the 5th variable valve are motorized valve.
5. the flowing property token test device of internal combustion engine threeway air inlet-outlet pipe as claimed in claim 4, wherein, described the first variable valve, described the second variable valve, described the 3rd variable valve, described the 4th variable valve and described the 5th variable valve be break-make optionally, for regulating the airflow direction in pipeline; Described the 3rd variable valve, described the 4th variable valve and described the 5th variable valve are optionally regulated aperture, for regulating the air-flow size in pipeline.
6. the flowing property token test device of internal combustion engine threeway air inlet-outlet pipe as claimed in claim 1, wherein, also comprise two flexible pipes, and described the first port is connected to described the first pipeline by described First Transition pipe; Described the second port is connected to described the second pipeline by described the second transition conduit and described flexible pipe successively; Described the 3rd port is connected to the 3rd pipeline by described the 3rd transition conduit and described flexible pipe successively.
7. the flowing property token test device of internal combustion engine threeway air inlet-outlet pipe as claimed in claim 1, wherein, also comprise two flexible pipes, and described the first port is connected to described the 3rd pipeline by described First Transition pipe and described flexible pipe successively; Described the second port is connected to described the second pipeline by described the second transition conduit and described flexible pipe successively; Described the 3rd port is connected to described the first pipeline by described the 3rd transition conduit.
8. the flowing property token test device of internal combustion engine threeway air inlet-outlet pipe as claimed in claim 1, wherein, also comprise two flexible pipes, and described the first port is connected to described the second pipeline by described First Transition pipe and described flexible pipe successively; Described the second port is connected to described the first pipeline by described the second transition conduit; Described the 3rd port is connected to described the 3rd pipeline by described the 3rd transition conduit and described flexible pipe successively.
9. the flowing property token test device of internal combustion engine threeway air inlet-outlet pipe as described as any one in claim 6～8, wherein, described flexible pipe is corrugated tube or PVC steel wire tube.
10. the flowing property token test device of internal combustion engine threeway air inlet-outlet pipe as claimed in claim 1, wherein, described testpieces is MPC gas outlet or pulse converter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310415079.XA CN103454091B (en) | 2013-09-12 | 2013-09-12 | The flowing property token test device of internal combustion engine tee air inlet-outlet pipe |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410748A (en) * | 2002-08-23 | 2003-04-16 | 天津大学 | Internal combustion engine gas path flow performance permanent flow test variable pressure difference test method |
| CN101514940A (en) * | 2008-11-28 | 2009-08-26 | 江苏大学 | Flow characteristics tester for intake and exhaust system of small gasoline engine and exhaust control method |
| US7631550B2 (en) * | 2004-07-09 | 2009-12-15 | Denso Corporation | Air-fuel ratio controller for internal combustion engine and diagnosis apparatus for intake sensors |
| CN101655413A (en) * | 2009-09-29 | 2010-02-24 | 天津大学 | Testing device for quickly detecting flow property parameters of air passage of internal combustion engine |
| JP2012137374A (en) * | 2010-12-27 | 2012-07-19 | Horiba Ltd | Exhaust gas analysis system and exhaust gas analysis method |
| CN203249770U (en) * | 2013-04-01 | 2013-10-23 | 中国船舶重工集团公司第七一一研究所 | Flowing performance characteristic testing device for internal combustion engine three-way intake/exhaust pipe |
-
2013
- 2013-09-12 CN CN201310415079.XA patent/CN103454091B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410748A (en) * | 2002-08-23 | 2003-04-16 | 天津大学 | Internal combustion engine gas path flow performance permanent flow test variable pressure difference test method |
| US7631550B2 (en) * | 2004-07-09 | 2009-12-15 | Denso Corporation | Air-fuel ratio controller for internal combustion engine and diagnosis apparatus for intake sensors |
| CN101514940A (en) * | 2008-11-28 | 2009-08-26 | 江苏大学 | Flow characteristics tester for intake and exhaust system of small gasoline engine and exhaust control method |
| CN101655413A (en) * | 2009-09-29 | 2010-02-24 | 天津大学 | Testing device for quickly detecting flow property parameters of air passage of internal combustion engine |
| JP2012137374A (en) * | 2010-12-27 | 2012-07-19 | Horiba Ltd | Exhaust gas analysis system and exhaust gas analysis method |
| CN203249770U (en) * | 2013-04-01 | 2013-10-23 | 中国船舶重工集团公司第七一一研究所 | Flowing performance characteristic testing device for internal combustion engine three-way intake/exhaust pipe |
Non-Patent Citations (1)
| Title |
|---|
| 张小矛等: "发动机进排气系统稳流试验装置的设计与研制", 《小型内燃机与摩托车》, vol. 32, no. 2, 31 December 2003 (2003-12-31) * |
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| CN103454091B (en) | 2016-02-10 |
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